This document provides an introduction and overview of a thermal power plant located in Kalisindh, India (KaTPP). It discusses:
1) The location and key details of the KaTPP project such as its 1200MW capacity, source of water and coal, and estimated cost.
2) The basic principles and processes involved in a thermal power plant, including converting fuel to steam, steam driving a turbine to generate mechanical power, and a generator producing electrical power.
3) An overview of the specific operations at KaTPP including its coal handling plant, boiler, turbine, and other key systems involved in producing electricity from coal.
This document provides an overview of the processes involved in a thermal power plant. It begins by explaining that thermal power plants convert chemical energy stored in fuels like coal into heat energy and then electrical energy. It describes the basic energy conversions that occur in the boiler, turbine and generator. It then provides specific details about the Kalisindh Thermal Power Plant in Jhalawar, India, including its location, capacity and land acquisition. The document outlines the basic systems and processes within a thermal power plant, including coal handling, steam generation, power generation via turbines and generators, and electrical transmission. It provides diagrams illustrating the Rankine cycle and process flow within the plant.
kalisindh thermal report by hariom nagar hariom nagar
The document provides information about the Kalisindh Thermal Power Project (KaTPP) located in Jhalawar, Rajasthan, India. Some key details:
- The 1200 MW coal-based thermal power project is located 12 km from Jhalawar. Land and water resources have been allotted for the project.
- The plant uses pulverized coal as its primary fuel. Coal is supplied from captive coal blocks allotted in Chhattisgarh and transported via rail.
- The plant employs a Rankine cycle to generate power. Coal is burned to produce high pressure steam which drives turbines connected to generators, producing electricity.
This document provides an overview and report on a vocational training project conducted by Tarun Kumar at the Kanti Thermal Power Station. It includes sections on acknowledging those who supported the training, an abstract describing the thermal power generation process, a table of contents, and sections covering topics like the power plant overview, generation process, boiler components, turbines, and control systems. The document aims to provide insight gained from Tarun Kumar's month-long industrial training placement at the thermal power facility.
The document provides information about a 24 week training program at NTPC Limited, India's largest power company. It discusses visits to various divisions at NTPC's power plants in Badarpur and Faridabad to learn about electricity generation. The training was an educational experience that allowed observing the power generation process firsthand. The document then outlines the key components of coal handling plants, power generation processes, and electrical equipment involved in electricity production and distribution.
The document provides a training report on the Kalisindh Thermal Power Project in Jhalawar, Rajasthan. It discusses that the power plant has two units that generate 600 MW each for a total output of 1200 MW. It then describes the various processes involved in coal-fired thermal power generation including the coal handling plant, boiler, turbine, generator and other key components. The report also discusses the plant overview, principle of operation, efficiency and concludes with references.
The document provides details about Ranjan Kumar's summer practical training at the National Thermal Power Corporation (NTPC) plant in Kahalgaon, Bihar, India. It discusses the various departments and systems at the plant including coal handling, ash handling, the boiler and turbine systems, water treatment, the cooling tower, electricity generation equipment, transformers, the switchyard, and control and instrumentation. The NTPC Kahalgaon plant has a total installed capacity of 2340 MW and uses coal from nearby mines to generate electricity through its steam turbine units.
ELECTRICAL ENGINEERING THERMAL POWER PLANT Industrial ReportUtkarsh Chaubey
The document is an industrial training report submitted by Utkarsh Chaubey to Rajiv Gandhi Proudyogiki Vishwavidyalaya. It provides an overview of Utkarsh's training at the Shri Singaji Thermal Power Plant (SSTPP). The report includes sections on the power plant overview, the Rankine cycle used, classification of thermal power plants, typical components of a coal fired plant, site selection considerations, and descriptions of various systems within SSTPP such as the generator, switchyard, transformers, and safety measures.
A summer training presentation on national thermal powerShishupal03012015
This document provides an overview of a summer training presentation on the National Thermal Power Plant in Kahalgaon, Bihar, India. It discusses the key components and processes of a coal power plant, including: how coal is handled and burned to create steam; how the steam powers turbines which spin generators to produce electricity; and the roles of auxiliary equipment like transformers. The content is organized by the major sections of a thermal power plant and includes diagrams to illustrate key components like boilers, turbines, generators and transformers.
This document provides an overview of the processes involved in a thermal power plant. It begins by explaining that thermal power plants convert chemical energy stored in fuels like coal into heat energy and then electrical energy. It describes the basic energy conversions that occur in the boiler, turbine and generator. It then provides specific details about the Kalisindh Thermal Power Plant in Jhalawar, India, including its location, capacity and land acquisition. The document outlines the basic systems and processes within a thermal power plant, including coal handling, steam generation, power generation via turbines and generators, and electrical transmission. It provides diagrams illustrating the Rankine cycle and process flow within the plant.
kalisindh thermal report by hariom nagar hariom nagar
The document provides information about the Kalisindh Thermal Power Project (KaTPP) located in Jhalawar, Rajasthan, India. Some key details:
- The 1200 MW coal-based thermal power project is located 12 km from Jhalawar. Land and water resources have been allotted for the project.
- The plant uses pulverized coal as its primary fuel. Coal is supplied from captive coal blocks allotted in Chhattisgarh and transported via rail.
- The plant employs a Rankine cycle to generate power. Coal is burned to produce high pressure steam which drives turbines connected to generators, producing electricity.
This document provides an overview and report on a vocational training project conducted by Tarun Kumar at the Kanti Thermal Power Station. It includes sections on acknowledging those who supported the training, an abstract describing the thermal power generation process, a table of contents, and sections covering topics like the power plant overview, generation process, boiler components, turbines, and control systems. The document aims to provide insight gained from Tarun Kumar's month-long industrial training placement at the thermal power facility.
The document provides information about a 24 week training program at NTPC Limited, India's largest power company. It discusses visits to various divisions at NTPC's power plants in Badarpur and Faridabad to learn about electricity generation. The training was an educational experience that allowed observing the power generation process firsthand. The document then outlines the key components of coal handling plants, power generation processes, and electrical equipment involved in electricity production and distribution.
The document provides a training report on the Kalisindh Thermal Power Project in Jhalawar, Rajasthan. It discusses that the power plant has two units that generate 600 MW each for a total output of 1200 MW. It then describes the various processes involved in coal-fired thermal power generation including the coal handling plant, boiler, turbine, generator and other key components. The report also discusses the plant overview, principle of operation, efficiency and concludes with references.
The document provides details about Ranjan Kumar's summer practical training at the National Thermal Power Corporation (NTPC) plant in Kahalgaon, Bihar, India. It discusses the various departments and systems at the plant including coal handling, ash handling, the boiler and turbine systems, water treatment, the cooling tower, electricity generation equipment, transformers, the switchyard, and control and instrumentation. The NTPC Kahalgaon plant has a total installed capacity of 2340 MW and uses coal from nearby mines to generate electricity through its steam turbine units.
ELECTRICAL ENGINEERING THERMAL POWER PLANT Industrial ReportUtkarsh Chaubey
The document is an industrial training report submitted by Utkarsh Chaubey to Rajiv Gandhi Proudyogiki Vishwavidyalaya. It provides an overview of Utkarsh's training at the Shri Singaji Thermal Power Plant (SSTPP). The report includes sections on the power plant overview, the Rankine cycle used, classification of thermal power plants, typical components of a coal fired plant, site selection considerations, and descriptions of various systems within SSTPP such as the generator, switchyard, transformers, and safety measures.
A summer training presentation on national thermal powerShishupal03012015
This document provides an overview of a summer training presentation on the National Thermal Power Plant in Kahalgaon, Bihar, India. It discusses the key components and processes of a coal power plant, including: how coal is handled and burned to create steam; how the steam powers turbines which spin generators to produce electricity; and the roles of auxiliary equipment like transformers. The content is organized by the major sections of a thermal power plant and includes diagrams to illustrate key components like boilers, turbines, generators and transformers.
This document provides an overview of the Badarpur Thermal Power Station (BTPS) owned and operated by NTPC Limited, the largest power generation company in India. It summarizes that BTPS was established in 1973 and transferred to NTPC in 1978. It now has a total installed capacity of 720 MW from 5 units. The document then describes the basic working principles of a steam power plant using the Rankine cycle. It provides diagrams of the typical processes and components involved, including the boiler, turbines, condenser, reheater, and others. Finally, it gives more details on some of the key components and maintenance departments at BTPS.
This document provides an overview of the Badarpur Thermal Power Station (BTPS) owned and operated by NTPC Limited, the largest power generation company in India. It summarizes that BTPS was established in 1973 and transferred to NTPC in 1978. It now has a total installed capacity of 720 MW from 5 units. The document then describes the basic working principles of a steam power plant using the Rankine cycle. It provides diagrams of the typical processes and components involved, including the boiler, turbines, condenser, reheater, and others. Finally, it gives more details on some of the key components and maintenance departments at BTPS.
New Presentation on TPP-3 - Copy.pptx12423195a0304
Thermal power plants generate electricity by converting heat from the combustion of fuels like coal, natural gas, and oil into mechanical energy to power generators. The document provides an overview of thermal power plants in India, including their history, components, types, environmental impacts, and the major thermal power plants located in states like Andhra Pradesh, Telangana, Tamil Nadu, and Karnataka. It discusses the increasing importance of thermal power due to growing energy demands and its role in providing base load power to the electrical grid.
The document provides information about Kolaghat Thermal Power Station located in West Bengal, India. It has six units totaling 1,260 MW capacity. The power plant uses a steam turbine process to convert the heat from burning coal into electrical energy. It describes the main equipment used including the coal handling plant, boiler, turbine, condenser, and electrical equipment like transformers and generators. The document provides technical specifications for many of the major components.
This document provides an overview of the Damodar Valley Corporation (DVC) and its power generation and distribution infrastructure. It summarizes that DVC operates power generation facilities with a total installed capacity of 2796.5 MW including thermal power stations and hydropower stations. It transmits power through substations and transmission lines. It then provides details about specific hydropower stations and their capacities. The document also discusses the load dispatch department and its responsibilities in optimizing power system operations. It describes the Central Testing Center and its role in testing protection and metering systems.
ABOUT NATIONAL THERMAL POWER PLANT COOPERATIO1Prashant kumar
The document summarizes information about the National Thermal Power Corporation's Barh power plant located in Bihar, India. It discusses that the plant has a total installed capacity of 3,300 MW generated from two stages of development. Stage I included 3 units of 600 MW each while Stage II added two additional units of 660 MW each. The plant uses coal as its fuel source and water from the Ganga River for cooling. It provides power to the state of Bihar and other regions in Northern and Western India.
Steam turbines and its associated systems(ntpc ramagundam)abdul mohammad
Steam turbine is an excellent prime mover to convert heat energy of steam to mechanical energy. Of all heat engines and prime movers the steam turbine is nearest to the ideal and it is widely used in power plants and in all industries where power is needed for process.
In power generation mostly steam turbine is used because of its greater thermal efficiency and higher power-to-weight ratio. Because the turbine generates rotary motion, it is particularly suited to be used to drive an electrical generator – about 80% of all electricity generation in the world is by use of steam turbines.
Rotor is the heart of the steam turbine and it affects the efficiency of the steam turbine. In this project we have mainly discussed about the working process of a steam turbine. The thermal efficiency of a steam turbine is much higher than that of a steam engine.
This document summarizes a seminar on summer training at NTPC Ltd Shaktinagar power plant. It provides an overview of NTPC, describing that it is India's largest power company with over 29,000 MW of installed capacity across various coal and gas-fired power plants. It then describes the Shaktinagar power plant in more detail, including its 2000 MW installed capacity, coal source, beneficiary states, and unit sizes. It also includes simplified diagrams of the main components of a thermal power plant.
The document summarizes information about the Panki Thermal Power Station located in Kanpur, India. It discusses:
1) The power station has two operational units of 105 MW each that were established in 1976-1977.
2) It describes the various processes involved in coal-fired power generation including the coal handling plant, water treatment plant, boiler, turbine, generator, and switchyard.
3) The key components and functions of a thermal power plant are outlined, from coal firing to electricity generation using steam turbines driven by the steam produced in boilers.
Kota super thermal power plant training reportAvinash Kumawat
Kota Thermal Power Station (KTPS) has a total installed capacity of 1240 MW across 5 stages. Coal is the primary fuel and is supplied by rail from mines located 800-950 km away. The coal handling plant receives coal by train, unloads it using wagon triplers, and uses crushers and conveyor belts to transport the crushed coal to the boilers. The plant has 4 main circuits - fuel and ash, air and gas, feedwater and steam, and cooling water. Coal is the key fuel source and its efficient handling and processing is crucial to the operation of the thermal power station.
The document provides information about the Indira Gandhi Thermal Power Plant located in Jharli, Jhajjar, Haryana. It is a 3x500MW coal-based thermal power plant established on 2,191 acres of land by Aravali Power Company Private Limited. The plant uses a steam turbine generator process to convert the thermal energy of coal into electrical energy, which is then transmitted through a 400kV transmission system. It describes the key components of a thermal power plant including the boiler, turbine, generator, condenser, and coal and ash handling systems.
This document provides an overview of the NTPC-FGUTTP power plant. It discusses the company NTPC Limited, the evolution of NTPC, and the generation growth of NTPC. It then introduces the specific FGUTTP plant, including its location, installed capacity, production inputs, requirements, and environmental aspects. The document proceeds to describe various systems and components within the plant, including units, cycles, the switchyard, circuit breakers, generators, transformers, boilers, ESP systems, coal handling parts, and advantages of coal handling.
Abhinav Kumar Mechanical Engineering Vocational Training NTPC Ltd UnchaharABHINAV KUMAR
This is the vocational training report needed to be submitted with the EDC HR Dept in order to acquire the certificate of completion. And additional copy is submitted with the Mechanical Department of my respective college.
The document provides information about Emam Raza's summer training experience at the National Thermal Power Plant in Dadri, India. It discusses details about NTPC such as its installed capacity, power stations, and awards. It then focuses on the Dadri power plant, describing its total capacity and the types of power generation. The rest of the document outlines the basic processes involved in a thermal power plant, including coal handling, steam generation in boilers, steam expansion in turbines, and electricity generation. It also describes various equipment used such as pulverizers, superheaters, condensers, and cooling towers.
The document provides information about Emam Raza's summer training experience at the National Thermal Power Plant in Dadri, India. It discusses the key aspects of the power plant including its capacity of 2642 MW from thermal, gas, and solar sources. It describes the basic processes involved in electricity generation from coal including the coal handling system, boiler, turbine, condenser, and other important equipment. The document also provides details about NTPC as a company, the transportation and characteristics of coal used at the plant, working of various sections, and uses of coal ash.
Summer training report at uttpar pradesh rajay viduat utpadan nigam ...Navin Pathak
The document summarizes a summer training report submitted by a student at the Uttar Pradesh Rajya Vidhyut Utpadan Nigam Limited thermal power plant in Anpara, Sonebhadra, India. The report provides an overview of the power plant, including its layout, products like electricity and ash, and the production process. It also includes a chronological training diary of the student's activities during the summer, such as familiarizing with the plant components and studying the turbines. The production process follows the Rankine cycle, where coal is combusted to produce steam that drives the turbine and generates electricity.
The document summarizes a summer training report submitted by Raghwendra K. Pathak at the Uttar Pradesh Rajya Vidhyut Utpadan Nigam Limited thermal power plant in Anpara, Sonebhadra, India. The report provides an overview of the power plant, including its layout, products, production process, and key components like the turbine and coal handling systems. It also includes Pathak's training diary detailing the areas and systems studied over the course of the summer training period from May 7th to June 6th, 2014.
The document provides details about Soham De's industrial training report at the Kundarkhi power plant operated by Bajaj Energy Limited. It includes an acknowledgements section thanking various mentors and colleagues. It then discusses the operation of independent power plants and coal-fired thermal power stations, describing the key components and processes used to generate electricity from coal including coal handling, steam generation in boilers, power generation in steam turbines, and transmission of electricity.
Accident detection system project report.pdfKamal Acharya
The Rapid growth of technology and infrastructure has made our lives easier. The
advent of technology has also increased the traffic hazards and the road accidents take place
frequently which causes huge loss of life and property because of the poor emergency facilities.
Many lives could have been saved if emergency service could get accident information and
reach in time. Our project will provide an optimum solution to this draw back. A piezo electric
sensor can be used as a crash or rollover detector of the vehicle during and after a crash. With
signals from a piezo electric sensor, a severe accident can be recognized. According to this
project when a vehicle meets with an accident immediately piezo electric sensor will detect the
signal or if a car rolls over. Then with the help of GSM module and GPS module, the location
will be sent to the emergency contact. Then after conforming the location necessary action will
be taken. If the person meets with a small accident or if there is no serious threat to anyone’s
life, then the alert message can be terminated by the driver by a switch provided in order to
avoid wasting the valuable time of the medical rescue team.
This document provides an overview of the Badarpur Thermal Power Station (BTPS) owned and operated by NTPC Limited, the largest power generation company in India. It summarizes that BTPS was established in 1973 and transferred to NTPC in 1978. It now has a total installed capacity of 720 MW from 5 units. The document then describes the basic working principles of a steam power plant using the Rankine cycle. It provides diagrams of the typical processes and components involved, including the boiler, turbines, condenser, reheater, and others. Finally, it gives more details on some of the key components and maintenance departments at BTPS.
This document provides an overview of the Badarpur Thermal Power Station (BTPS) owned and operated by NTPC Limited, the largest power generation company in India. It summarizes that BTPS was established in 1973 and transferred to NTPC in 1978. It now has a total installed capacity of 720 MW from 5 units. The document then describes the basic working principles of a steam power plant using the Rankine cycle. It provides diagrams of the typical processes and components involved, including the boiler, turbines, condenser, reheater, and others. Finally, it gives more details on some of the key components and maintenance departments at BTPS.
New Presentation on TPP-3 - Copy.pptx12423195a0304
Thermal power plants generate electricity by converting heat from the combustion of fuels like coal, natural gas, and oil into mechanical energy to power generators. The document provides an overview of thermal power plants in India, including their history, components, types, environmental impacts, and the major thermal power plants located in states like Andhra Pradesh, Telangana, Tamil Nadu, and Karnataka. It discusses the increasing importance of thermal power due to growing energy demands and its role in providing base load power to the electrical grid.
The document provides information about Kolaghat Thermal Power Station located in West Bengal, India. It has six units totaling 1,260 MW capacity. The power plant uses a steam turbine process to convert the heat from burning coal into electrical energy. It describes the main equipment used including the coal handling plant, boiler, turbine, condenser, and electrical equipment like transformers and generators. The document provides technical specifications for many of the major components.
This document provides an overview of the Damodar Valley Corporation (DVC) and its power generation and distribution infrastructure. It summarizes that DVC operates power generation facilities with a total installed capacity of 2796.5 MW including thermal power stations and hydropower stations. It transmits power through substations and transmission lines. It then provides details about specific hydropower stations and their capacities. The document also discusses the load dispatch department and its responsibilities in optimizing power system operations. It describes the Central Testing Center and its role in testing protection and metering systems.
ABOUT NATIONAL THERMAL POWER PLANT COOPERATIO1Prashant kumar
The document summarizes information about the National Thermal Power Corporation's Barh power plant located in Bihar, India. It discusses that the plant has a total installed capacity of 3,300 MW generated from two stages of development. Stage I included 3 units of 600 MW each while Stage II added two additional units of 660 MW each. The plant uses coal as its fuel source and water from the Ganga River for cooling. It provides power to the state of Bihar and other regions in Northern and Western India.
Steam turbines and its associated systems(ntpc ramagundam)abdul mohammad
Steam turbine is an excellent prime mover to convert heat energy of steam to mechanical energy. Of all heat engines and prime movers the steam turbine is nearest to the ideal and it is widely used in power plants and in all industries where power is needed for process.
In power generation mostly steam turbine is used because of its greater thermal efficiency and higher power-to-weight ratio. Because the turbine generates rotary motion, it is particularly suited to be used to drive an electrical generator – about 80% of all electricity generation in the world is by use of steam turbines.
Rotor is the heart of the steam turbine and it affects the efficiency of the steam turbine. In this project we have mainly discussed about the working process of a steam turbine. The thermal efficiency of a steam turbine is much higher than that of a steam engine.
This document summarizes a seminar on summer training at NTPC Ltd Shaktinagar power plant. It provides an overview of NTPC, describing that it is India's largest power company with over 29,000 MW of installed capacity across various coal and gas-fired power plants. It then describes the Shaktinagar power plant in more detail, including its 2000 MW installed capacity, coal source, beneficiary states, and unit sizes. It also includes simplified diagrams of the main components of a thermal power plant.
The document summarizes information about the Panki Thermal Power Station located in Kanpur, India. It discusses:
1) The power station has two operational units of 105 MW each that were established in 1976-1977.
2) It describes the various processes involved in coal-fired power generation including the coal handling plant, water treatment plant, boiler, turbine, generator, and switchyard.
3) The key components and functions of a thermal power plant are outlined, from coal firing to electricity generation using steam turbines driven by the steam produced in boilers.
Kota super thermal power plant training reportAvinash Kumawat
Kota Thermal Power Station (KTPS) has a total installed capacity of 1240 MW across 5 stages. Coal is the primary fuel and is supplied by rail from mines located 800-950 km away. The coal handling plant receives coal by train, unloads it using wagon triplers, and uses crushers and conveyor belts to transport the crushed coal to the boilers. The plant has 4 main circuits - fuel and ash, air and gas, feedwater and steam, and cooling water. Coal is the key fuel source and its efficient handling and processing is crucial to the operation of the thermal power station.
The document provides information about the Indira Gandhi Thermal Power Plant located in Jharli, Jhajjar, Haryana. It is a 3x500MW coal-based thermal power plant established on 2,191 acres of land by Aravali Power Company Private Limited. The plant uses a steam turbine generator process to convert the thermal energy of coal into electrical energy, which is then transmitted through a 400kV transmission system. It describes the key components of a thermal power plant including the boiler, turbine, generator, condenser, and coal and ash handling systems.
This document provides an overview of the NTPC-FGUTTP power plant. It discusses the company NTPC Limited, the evolution of NTPC, and the generation growth of NTPC. It then introduces the specific FGUTTP plant, including its location, installed capacity, production inputs, requirements, and environmental aspects. The document proceeds to describe various systems and components within the plant, including units, cycles, the switchyard, circuit breakers, generators, transformers, boilers, ESP systems, coal handling parts, and advantages of coal handling.
Abhinav Kumar Mechanical Engineering Vocational Training NTPC Ltd UnchaharABHINAV KUMAR
This is the vocational training report needed to be submitted with the EDC HR Dept in order to acquire the certificate of completion. And additional copy is submitted with the Mechanical Department of my respective college.
The document provides information about Emam Raza's summer training experience at the National Thermal Power Plant in Dadri, India. It discusses details about NTPC such as its installed capacity, power stations, and awards. It then focuses on the Dadri power plant, describing its total capacity and the types of power generation. The rest of the document outlines the basic processes involved in a thermal power plant, including coal handling, steam generation in boilers, steam expansion in turbines, and electricity generation. It also describes various equipment used such as pulverizers, superheaters, condensers, and cooling towers.
The document provides information about Emam Raza's summer training experience at the National Thermal Power Plant in Dadri, India. It discusses the key aspects of the power plant including its capacity of 2642 MW from thermal, gas, and solar sources. It describes the basic processes involved in electricity generation from coal including the coal handling system, boiler, turbine, condenser, and other important equipment. The document also provides details about NTPC as a company, the transportation and characteristics of coal used at the plant, working of various sections, and uses of coal ash.
Summer training report at uttpar pradesh rajay viduat utpadan nigam ...Navin Pathak
The document summarizes a summer training report submitted by a student at the Uttar Pradesh Rajya Vidhyut Utpadan Nigam Limited thermal power plant in Anpara, Sonebhadra, India. The report provides an overview of the power plant, including its layout, products like electricity and ash, and the production process. It also includes a chronological training diary of the student's activities during the summer, such as familiarizing with the plant components and studying the turbines. The production process follows the Rankine cycle, where coal is combusted to produce steam that drives the turbine and generates electricity.
The document summarizes a summer training report submitted by Raghwendra K. Pathak at the Uttar Pradesh Rajya Vidhyut Utpadan Nigam Limited thermal power plant in Anpara, Sonebhadra, India. The report provides an overview of the power plant, including its layout, products, production process, and key components like the turbine and coal handling systems. It also includes Pathak's training diary detailing the areas and systems studied over the course of the summer training period from May 7th to June 6th, 2014.
The document provides details about Soham De's industrial training report at the Kundarkhi power plant operated by Bajaj Energy Limited. It includes an acknowledgements section thanking various mentors and colleagues. It then discusses the operation of independent power plants and coal-fired thermal power stations, describing the key components and processes used to generate electricity from coal including coal handling, steam generation in boilers, power generation in steam turbines, and transmission of electricity.
Accident detection system project report.pdfKamal Acharya
The Rapid growth of technology and infrastructure has made our lives easier. The
advent of technology has also increased the traffic hazards and the road accidents take place
frequently which causes huge loss of life and property because of the poor emergency facilities.
Many lives could have been saved if emergency service could get accident information and
reach in time. Our project will provide an optimum solution to this draw back. A piezo electric
sensor can be used as a crash or rollover detector of the vehicle during and after a crash. With
signals from a piezo electric sensor, a severe accident can be recognized. According to this
project when a vehicle meets with an accident immediately piezo electric sensor will detect the
signal or if a car rolls over. Then with the help of GSM module and GPS module, the location
will be sent to the emergency contact. Then after conforming the location necessary action will
be taken. If the person meets with a small accident or if there is no serious threat to anyone’s
life, then the alert message can be terminated by the driver by a switch provided in order to
avoid wasting the valuable time of the medical rescue team.
Impartiality as per ISO /IEC 17025:2017 StandardMuhammadJazib15
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Tools & Techniques for Commissioning and Maintaining PV Systems W-Animations ...Transcat
Join us for this solutions-based webinar on the tools and techniques for commissioning and maintaining PV Systems. In this session, we'll review the process of building and maintaining a solar array, starting with installation and commissioning, then reviewing operations and maintenance of the system. This course will review insulation resistance testing, I-V curve testing, earth-bond continuity, ground resistance testing, performance tests, visual inspections, ground and arc fault testing procedures, and power quality analysis.
Fluke Solar Application Specialist Will White is presenting on this engaging topic:
Will has worked in the renewable energy industry since 2005, first as an installer for a small east coast solar integrator before adding sales, design, and project management to his skillset. In 2022, Will joined Fluke as a solar application specialist, where he supports their renewable energy testing equipment like IV-curve tracers, electrical meters, and thermal imaging cameras. Experienced in wind power, solar thermal, energy storage, and all scales of PV, Will has primarily focused on residential and small commercial systems. He is passionate about implementing high-quality, code-compliant installation techniques.
A high-Speed Communication System is based on the Design of a Bi-NoC Router, ...DharmaBanothu
The Network on Chip (NoC) has emerged as an effective
solution for intercommunication infrastructure within System on
Chip (SoC) designs, overcoming the limitations of traditional
methods that face significant bottlenecks. However, the complexity
of NoC design presents numerous challenges related to
performance metrics such as scalability, latency, power
consumption, and signal integrity. This project addresses the
issues within the router's memory unit and proposes an enhanced
memory structure. To achieve efficient data transfer, FIFO buffers
are implemented in distributed RAM and virtual channels for
FPGA-based NoC. The project introduces advanced FIFO-based
memory units within the NoC router, assessing their performance
in a Bi-directional NoC (Bi-NoC) configuration. The primary
objective is to reduce the router's workload while enhancing the
FIFO internal structure. To further improve data transfer speed,
a Bi-NoC with a self-configurable intercommunication channel is
suggested. Simulation and synthesis results demonstrate
guaranteed throughput, predictable latency, and equitable
network access, showing significant improvement over previous
designs
Supermarket Management System Project Report.pdfKamal Acharya
Supermarket management is a stand-alone J2EE using Eclipse Juno program.
This project contains all the necessary required information about maintaining
the supermarket billing system.
The core idea of this project to minimize the paper work and centralize the
data. Here all the communication is taken in secure manner. That is, in this
application the information will be stored in client itself. For further security the
data base is stored in the back-end oracle and so no intruders can access it.
Road construction is not as easy as it seems to be, it includes various steps and it starts with its designing and
structure including the traffic volume consideration. Then base layer is done by bulldozers and levelers and after
base surface coating has to be done. For giving road a smooth surface with flexibility, Asphalt concrete is used.
Asphalt requires an aggregate sub base material layer, and then a base layer to be put into first place. Asphalt road
construction is formulated to support the heavy traffic load and climatic conditions. It is 100% recyclable and
saving non renewable natural resources.
With the advancement of technology, Asphalt technology gives assurance about the good drainage system and with
skid resistance it can be used where safety is necessary such as outsidethe schools.
The largest use of Asphalt is for making asphalt concrete for road surfaces. It is widely used in airports around the
world due to the sturdiness and ability to be repaired quickly, it is widely used for runways dedicated to aircraft
landing and taking off. Asphalt is normally stored and transported at 150’C or 300’F temperature
Determination of Equivalent Circuit parameters and performance characteristic...pvpriya2
Includes the testing of induction motor to draw the circle diagram of induction motor with step wise procedure and calculation for the same. Also explains the working and application of Induction generator
Open Channel Flow: fluid flow with a free surfaceIndrajeet sahu
Open Channel Flow: This topic focuses on fluid flow with a free surface, such as in rivers, canals, and drainage ditches. Key concepts include the classification of flow types (steady vs. unsteady, uniform vs. non-uniform), hydraulic radius, flow resistance, Manning's equation, critical flow conditions, and energy and momentum principles. It also covers flow measurement techniques, gradually varied flow analysis, and the design of open channels. Understanding these principles is vital for effective water resource management and engineering applications.
1. 1
CHAPTER-01
INTRODUCATION
Everybody must behaving a thought that a thermal power plant is a place where electricity is
produced. But do you know how it is produced? The chemical energy stored is converted to
heat energy which forms the in put of power plant and electrical energy produced by the
generator is the output .Power is the single most important necessity for the common people
and industrial development of anation. In a convectional power plant the energy is first
converted to a mechanical work and then is converted to electrical energy. Thus the energy
conversions involved are:
The first energy conversion takes in what is called a Boiler or Steam Generator, these cond
in what is called a Turbine and the last conversion takes place in the Generator.
A thermal power station is a power plant in which the prime mover is steam driven. Water is
heated, turns into steam and spins a steam turbine which drives an electrical generator after it
passes through the turbine, the steam is condensed in a condenser and recycled to where it
was heated; this is known as a Rankine cycle.
Commercial electric utility power stations are usually constructed on a large scale and
designed for continuous operation. Electric power plants typically use three-phase electrical
generators toproduceal ternating current(ac)electric power at a frequency of50Hz.
1.1 INTRODUCTION OF KaTTP
The site of Kalisindh Thermal Power Project is located in Nimoda ,Undal Motipura,
Singhania and Devri villages of Tehsil Jhalarapatan, Distt. Jhalawar. The proposed
capacity of coal based Thermal Power Project is 1200MW. The project site is about
12km from Jhalawar(Distt.Headquarter)andNH-12.It Is 2km from state highway No.19 and
8 km from proposed RamganjMandi – Bhopal broad gauge railline.
The site selection committee of Central Electricity Authority has visited the Nimodha and
its adjoining villages of Jhalawar Distt. And site was found techno-economical feasible for
setting up of a Power Project.The Govt.of Raj. Have included that project in11th five year
plan.The estimate drevised cost of the project isRs.7723 Crores.M/s.TCE Banglore has
been appointed as the technical consultant for the project.The state irrigation department
2. 2
has allotted 1200m cft water for the project from proposed Kalisindh dam.The origin of the
Kalisindh river is from northern slop of Vindya Mountains.The river enters from MP to
Rajasthan near village Binda. After flowing 145km in Rajasthan,the Kalisindh river merges
in Chambal river near Nanera village of Distt. Kota. Its catch mentarea is about 7944sq.km
in Jhalawar & Kota Distt. The existing Dam is located at Bhawarasa village, primarily for
P.H.E.D. purpose is being up lifted for providing astorase of 1200mcft water for this power
project.
Fig 1.1 KATPP PLANT PROJECT VIEW AND PRESENT VIEW
The GOR has allotted 842 bigha Government land and acquired 1388 bigha private khatedari
land for the thermal project. Phase-1will be constructed on 1400 bigha land only. Ministry of
coal,Govt.of India has allotted ‘Paras east and Kantabasin‘coal block stock RVUN in
Chhatisgarh state.The RVUN has formed new company under joined venture with
3. 3
M/s.Adani Enterprises formining of coal block sand new company started the work.
Annual coal requirement for the project is 56 Lacs TPA. GOR also decided to setup two
new units of 2x660 MW in next few years.
1.1.1 ENERGY GENERATED IN KaTPP
Total generationCapacity
=(2x600)
= 1200 MW
Total generated Electricity (in one hour)
= 1200 MW x 1
=12.00 Lakh units
Total generated Electricity (in
24hours)
= 12.00 x 24= 288.0 Lakhs units
Amount of Coal required (per day) in
KaTPP is
= 0.5 x 288.0 x 100000 Kg
.=144million kg
4. 4
1.1.2 PLANT OVERVIEW
TABLE 1.1 Details of katpp
Project Kalisindh Super Thermal Power Project Jhalawar
Capacity 1200 MW(2x600 MW)
Project Site
Village-Undel, Motipura, Nimoda, Singhania & Deveri of
Tehsil Jhalarapatan, Distt. Jhalawar
The project site is about 12 km from NH-12, 2km from state
Project Location highway and 8 km from proposed Ramganj Mandi – Bhopal
broad gauge rail line.
Land Area 2230 Bigha/564 Hq. (1400 bigha/350 Hq. in I stage)
Water source and
Dam on Kalisindh river. 3400 CuM/ Hrs.
Quantity
Fuel Source
Main Fuel- Coal from captive coal blocks (Paras east and
kanta Basin in Chhatisgarh state) Secondary Fuel- FO/HSD.
Quantity of Fuel (at
Coal-56 Lacs TPA FO/HSD-13000-14000 KL/A
80% PLF)
ElectroStatic
99.98 % Capacity
Precipitator
Stack Height 275 Mtr.
Estimatedrevised
Rs.7723 Crores
Cost
5. 5
1.2 PRINCIPLE OF OPERATION
For each process in a vapour power cycle, it is possible to assume a hypothetical or ideal
process which represents the basis intended operation and do not produce any extraneous
effect like heat loss.
1. For steam boiler, this would be a reversible constant pressure heating process of water
to form steam.
2. For turbine, the ideal process would be a reversible adiabatic expansion of steam.
3. For condenser, it would be a reversible a constant pressure heat rejection as the steam
condenser till it becomes saturated liquid.
4. For pump, the ideal process would be the reversible adiabatic compression of liquid
ending at the initial pressure. When all the above four cycles are combined, the cycle
achieved is called RANKINE CYCLE. Hence the working of a thermal power plant is
based upon Rankine cycle with some modification.
FIG 1.2 SIMPLE LAYOUT OF THERMAL POWER PLANT
6. 6
1.3 THERMAL PLANT OPERATION PROCEDURE
The basic understanding of the modern thermal power station in terms of major systems
involved can be done under three basic heads viz. generating steam from coal, conversion
of thermal energy to mechanical power and generation & load dispatch of electricpower.
1.3.1 COAL TO STEAM
The coal is burnt at the rate up to 200 tones per hour. From coal stores, the fuel is carried on
conveyor belts to bunkers through coal tipper. It then falls in to coal pulverizing mill, where it is
grounded into powder as fine as flour. Air is drawn in to the boiler house by drought fan and
passed through Preheaters. Some air is passed directly to bunker and rest, through primary air fan,
to pulverizingmill where it is mixed with powdered coal. The mixture is then carried to
bunker of furnace where it mixes with rest of the air and burns to great heat.This heats
circulating water and produces steam, which passes to steam drum at very high pressure.
The steam is then heated further in the Superheater and fed to high pressure
cylinder of steam turbine.The steam is then passed to other cylinders of turbine through
reheater. The spent steam is sent to condenser, where it turns back to water called
condensate. Condensate is sent to lower part of steam drum through feed heater and
economizer. The flue gases leaving boiler are used for heating purpose in feed heater,
economizer and air Preheat The flue gases are then passed to electro-static precipitator
and then, through draught fan, to chimney.
1.3.2 STEAM TO MECHANICAL POWER:
Steam first enters the high pressure cylinder of turbine where it passes over a ring of
stationary/fixed blades which acts as nozzle and directs steam onto a ring of moving
blades.
Steam passes to the other cylinders through reheater and the process is repeated again and
again.This rotates the turbine shaft up to 3000 rpm. At each stage, steam expands,
pressure decreases and velocity increases.
1.3.3 MECHANICAL TO ELECTRICAL POWER:
The shaft is connected to an alternator’s armature. Thus the armature is rotated and
electric current is produced in the stator’s windings. The generated electricity is of order
25,000 volts.
7. 7
1.3.4 SWITCHING AND TRANSMISSION:
Electricity generated cannot be transmitted as such. It is fed to one side of generator’s
transformer and stepped up to 132000, 220000, or 400000 volts. It is then passed to a
series of three switches an isolator, a circuit-breaker, and another isolator. From circuit-
breaker, current is taken to bus bars and then to another circuit-breaker with it’s
associated isolator before being fed to the main Grid. Each generator has its own
switching and transmission arrangement. Three-phase system is used for power
transmission.
1.3.5 CONTROL AND INSTRUMENTATION:
Control and Instrumentation (C & I) systems are provided to enable the power station to
be operated in a safe and efficient manner while responding to the demands of the
National grid system. These demands have to be met without violating the safety or
operational constraints of the plants. For example, metallurgical limitations are important
as they set limits on the maximum permissible boiler metal temperature and the chemical
constituents of the Feed water. The control and Instrumentation system provides the
means of the manual and automatic control of plant operating conditions to Maintain an
adequate margin from the safety and operational constraints. Monitor these margins and
the plant conditions, and provide immediate indications and permanent records.Draw the
attention of the operator by an alarm system to any unacceptable reduction in the margin
Shut down the plant if the operating constraints are violated.
8. 8
CHAPTER-02
COAL HANDLING PLANT
2.1 INTRODUCATION
Every thermal power plant is based on steam produced on the expanse of heat energy
produced on combustion of fuel. Fuels used are coal and fuel oil. Coal is more important
as oil is occasionally used. Coal is categorized as follows depending upon fixed carbon,
volatile matter and moisture content:
Anthracite having 86% fixed carbon
Bituminous having 46 to 86% fixed carbon
Lignite having 30% fixed carbon and
Peat having 5 to 10% fixed carbon
Coal from mines is transported to CHP in railway wagons. It is unloaded in track hoppers.
Each project requires transportation of large quantity of coal mines to the power station
site. Each project is established near coal mine which meets the coal requirements for the
span of its entire operational life. For the purpose each plant has Merry Go-Round (MGR)
rail transportation system. The loading operation of the coal rake takes place while it is
moving under the silo at a present speed of 0.8 Km/hr. the loading time for each wagon is
one minute. For unloading of coal from the wagons an underground track hopper is
provided at the power station end.
The term coal handling plant means to store and to handle the coal which is transported
by the train and convey to the bunkers with the help of belt conveyers. Through the
bunkers coal is transferred to the coal mill and drifted to the furnace. The coal handling
plant includes wagon tippler, conveyer belt, crusher house, stacker & reclaimer, bunkers
& coal mill.
2.1.1Coal Supply in KaTPP:-
Ministry of coal, Govt. of India has alloted ‘Paras east and Kanta basin coal blocks to
RVUNin Chhatisgarh state. The RVUN has formed new company under joined venture
with M/s. Adani Enterprises for mining of coal blocks and new company started the
work. Annual coal requirement for the project is 56 Lacs
9. 9
2.1.2 MILLS
These are basically coal pulverizing mills. Thermal power stations use pulverized coal
firing system. In this the coal is reduced to fineness such that 70 to 80% passes through a
200 mesh sieve. This fine powdered coal is called pulverized coal and is carried forward
to the burner by air through pipes.
Advantage of pulverized coal firing system:–
1. Efficient utilization of low grade and cheap coal.
2. Flexibility in firing.
3. Ability to meet fluctuating load.
4. Better reaction to automatic control.
5. High efficiency of boiler.
6. Easy complete combustion.
The only disadvantage being its high initial cost.
2.2 STAGES OF COAL HANDLING PLANT:-
2.2.1 WAGON TIPPLER:-
The term Wagon Tippler contains two words WAGON&TIPPLER .Wagon means the
compartment of train which is just like a container which is used to carry the coal from
mines to generating stations & the word Tippler means a machine, which is used to
unload the wagon into the hopper. Hopper is just like a vessel which is made of concrete
& it is covered with a thick iron net on its top. Here big size coal pieces are hammered by
the labors to dispose it into the hopper. Coal is fed into mill through Gravimetric feeder.
When the A.C. supply is switched on the bowl rotate and due to centrifugal force, the coal
moves in the outward direction. As the coal come between grinder and bowl, it gets
pulverized. The unwanted material is removed through scrapers. The pulverized coal is
then carried to burners by primary air through outlet openings. The heavier particles, as
they rise, collide with classifiers and fall back in mill for further grind. Sealing air is
provided through seal air fan to avoid deposition of coal dust in bearings and spring
mechanism.
2.2.2 CONVEY OF COAL TO CRUSHER HOUSE:-
After unloaded the coal wagon into the concrete hopper, the supply of coal is control by
10. 10
Apron Feeder and Scrapper. Apron feeder is made of iron .After passing through the
scrapper conveyor the coal is fed into the Roll Crusher where the crushing of coal takes
place. In the roll crusher there are two shafts on which metal hammer are mounted, these
two rollers rotates in opposite direction to each other. When the coal comes in between
these two rollers it gets crushed into small pieces and then convey to the separator
through belt conveyor. In Pent house there is a belt weightier which is used to weight the
belt which carry the coal and feed into the separator with the help of Flap Gate.
2.2.3 PRIMARY CRUSHER HOUSE:-
Coal crusher house is a part of coal handling plant where the coal is crushed with the help
of a crusher machines .In crusher machine there is pair of two shafts on which hammer
are fixed. Both shafts rotates in opposite direction due to which when coal comes between
the two shafts crushed into the small pieces and conveyed to the bunkers or open storage
(stacker) according to the requirement through the belt conveyor.
2.2.4 STACKER & RECLAIMER:-
Stacker is a place where the open storage of a coal takes place. Reclaimer means the
unloading of coal from the stacker.
2.2.5 COAL MILL:-
In coal mill, coal is pulverized or crushed properly into the powdered form. Hot air is
mixed with powdered coal to remove the moisture from the coal, which increases the
efficiency of plant. Pulverization is done to increase the surface area of coal. From coal
mill coal is drift to the furnace with the help of air. There are four main equipment of
coal mill, which are as follows:-
Bunkers:-These are basically used to store crushed coil which comes from crusher
house.
Feeders:-These are used to control the supply of crushed coal to the mill depending
upon load condition.
Feeder pipe:- Feeder pipe are used to convey the crushed coal to the Tube mill or Bowl
mill.
Tube mill:-Tube mill is used to pulverize the crushed coal. In the tube
11. 11
CHAPTER-03
BOILER
3.1 INTRODUCTION
Boiler can simply defined as the device where any liquid is boiled or Boiler may be
defined as a device that is used to transfer heat energy being produced by burning of fuel
to liquid, generally water, contended in it to cause its vaporization. Boiler, in simple
terms, can be called “Steam Generator”. The following are factors essential for the
efficient combustion usually referred as “The three T’s”.
A) TIME – It will take a definite time to heat the fuel to its ignition temperature and
having ignited, it will also take time to burn.
B) TEMPERATURE – A fuel will not burn until it reaches its ignition temperature.
C) TURBULENCE – Turbulence is introduced to achieve a rapid relative motion
between the air and fuel particles.
A boiler is an enclosed that provides a means for combustion heat to be transfer into water
until it becomes heated water or steam. Its volume increases 1600 times. The process of
heating a liquid until reaches its gaseous states its called evaporation. The boiler system
comprises of
a. feed water system
b. steam system
c. Fuel system
3.1.1 Feed Water system:-
It provides water to the boiler and regulate feed according to demand.
3.1.2 Steam system:-
It collects and controls the steam produced in the boiler steam are directed through a
piping system to a point of use. Steam pressure is regulated using valves and checked
with pressure gauges.
3.1.3 Fuel system:-
Fuel system includes all equipments used to provide fuel to generate the necessary heat
for higher boiler efficiency feed water is preheated by economizer using the waste heat in
the flue gases.
12. 12
3.2 BOILER AUXILIARIES
Efficiency of a system is of most concerned. Thus it is very important to maintain a
system as efficient as possible. Boiler auxiliaries help in improving boiler’s efficiency.
Following are the important auxiliaries used
3.2.1 ECONOMIZER: Its purpose is to preheat feed water before it is introduced into
boiler drum by recovering heat from flue gases leaving the furnace.
3.2.2 SUPER HEATER: It increases the temperature of steam to super-heated region.
3.2.3 REHEATER: It is used for heat addition and increase the temperature of steam
coming from high pressure turbine to 540o.
3.2.4 SOOT BLOWER: It blows off the ash deposited on the water wall surface. It uses
steam for blowing purpose.
3.2.5AIR PREHEATER: It pre-heats the air entering the furnace by recovering heat
from flue gases in order to ease the combustion process.
3.2.6 DRAFT FANS: They handle the supply of air and the pressure of furnace.
3.2.7 OIL GUNS: They are used to spray oil to raise the temperature of furnace to
ignition temperature of fuel.
3.2.8 WIND BOX: It distributes the excess air uniformly throughout furnace.
3.3 BOILER MOUNTINGS
These are used for the safe operation of boiler. Some examples of mountings used are
water level indicator in drum, furnace temperature probe, reheat release valve, pressure
gauges indicating steam pressure et
14. 14
CHAPTER-04
TURBINE
Turbine is an m/c in which a shaft is rotated steadily by the impact of reaction of steam
of working substance upon blades of a wheel. It converts the potential energy or heat
energy of the working substance into mechanical energy. When working substance is
steam it is called ‘Steam Turbine’
In the steam turbine the pressure of the steam is utilized to overcome external resistance
and the dynamic action of the steam is negligibly small.
4.1 PRINICIPLE:-
Working of the steam turbine depends wholly upon the dynamic action of steam. the
steam is caused to fall with pressure in a passage of nozzle, due to this fall in pressure, a
whole amount of heat energy is converted into mechanical energy & steam is set
moving with the reactor velocity. The rapidly moving particle of steam enter the moving
part of turbine and here suffers a change in the direction of motion which gives rise to
change of momentum and therefore to a force. This constitutes a driving force to a
machine.
The passage of the m/c through the moving part of the turbine commonly called the
blade, may take place in such a manner that the pressure at the outlet sides of the blade
is equal to that of the inlet side. Such a turbine is broadly termed as outlet turbine or
Impulse typeOn the other hand, the pressure of the steam at outlet from the moving
blade may be less than that at type inlet side of the blade.
FIG 4.1 PICTURE SHOWING TURBINE
15. 15
CHAPTER-05
GENERATOR
5.1 INTRODUCTION
Generator is the main part of thermal power station or any power plant. A generator is a
machine which converts mechanical energy into electrical energy.The generator has gas
cooling construction enclosing the stator winding, core and hydrogen coolers .The
cooling medium hydrogen is contained within the frame and circulation by fans
mounted on either ends of the rotor .The generator is driven by directly coupled steam
turbine at a speed of 3000 rpm.
Provision has been made for circulating the cooling water in order to maintain a
constant temperature of the coolant i.e. H2 as measured at the fan section side which is
in touch with the temperature of the winding, core and other parts as per load.
Each of the 2 units have been provided with 3-phase turbo generator rated output
706MVA, 18.525KA, 22KV, 0.85 lagging p.f. , 984 rpm and 50 cycles/sec .The
generator has closed loop of hydrogen gas system for cooling of the stator and rotor at a
pressure of 4.5kg/sq-cm(g). is filled in a gas tight outer casing of the generator. H2 gas
circulates inside the casing by two single stage rotor mounted fans on either side of the
rotor. The heated H2 is in turn cooled by six surface type water coolers axially mounted
inside the generator casing .The cooling water is supplied to H2 coolers from the BCW
overhead tank.
Each generator has terminal led out of its casing and a star point is formed by sorting the
neutral side terminals by a sorting bar. The neutral is grounded by a 1-phase
11000/220V, Neutral grounding transformer, whose secondary coil is laminated by
laminated strip with mechanical ventilating holes, is connected across a 650V, class 0.4
ohm, 50 kW neutral grounding resistors and relays for protection of generator against
stator earth faults and stator in turn faults (rating 1 amp).
The H2 gas inside the generator casing is prevented from leaking in between the rotor
and shields, by a continuous oil film maintained between the rotor and sealing rings
.The shaft sealing system have two independent oil sources associated pumps,
regulators, coolers filters, electrical controls and alarm system. Two independent oil
sources are provided for air side and H2 side sealing rings. The oil circuit of the H2 side
16. 16
GENERATOR SPECIFICATIONS FOR UNIT I & II:-
TABLE 5.1 GENERATOR SPECIFICATIONS
Make CQ GEARBOX china
Type QFSN
Apparent Output 706MVA
Active Output 600 MW
Power factor 0.85 lagging
Rated voltage 22 KV
Rated current 18525 Amp.
Rated speed 3000 rpm
Frequency 50 Hz
Phase connections Double gen. star
Insulation class F(temp limited in B class)
Cooling mode H20-H2-H2
Rated H2 pressure 4.5kg/sq-cm
Excitation type static thyristor excitation
Terminal in generator 6
5.2 DIESEL-GENARATOR SET
It is used to emergency purpose to supply auxiliary system of power plant. 3
Set Diesel generator are use in which 1 is standby. Parameters of generator are
as:
TABLE 5.2 PARAMETERS OF GENERATORS
MAKE BY STAMFORD MAHARASTRA INDIA
RATING 1900KVA
SPEED 1500rpm
RATED CURRENT 2643.37A
RATED TEMP. 40ºC
AMPS. 3.6A
EXCITATION 63V
VOLTAGE
VOLTAGE 415V
P.F. 0.8
FREQUENCY 50HZ
PHASE 3
INSULATION CLASS H
17. 17
CHAPTER-06
TRANSFORMERS
6.1 TRANSFORMER
Transformer is made up of following parts:-
1. Core
2. Winding
3. On load tap changer
4. Tank
5. Bushing
6. Auxiliary equipment
7. Insulating Oil
8. Cooling system
In KaTPP there are various transformers for various purposes. They are:-
1.Generating Transformer(GT)
2.Unit Transformer (UT)
3. Unit Auxiliary Transformer(UAT)
4.Inter Connecting Transformer(ICT)
5.Unit Service Transformer
6.Station Transformer
6.2 GENERATING TRANSFORMER:-
At KaTPP , 3 single phase GT Installed for each phase in single unit.output of generator
has step up up to 400KV by GT.In KaTPP 150/200/250MVA,22.98/22 KV, GT are
used.
18. 18
SPECIFICATIONS:-
TABLE 6.1 SPECIFICATIONS OF GT
MANUFACTURING CROMPTON GREAVES LTD MUMBAI
RATING 250MVA
NOMINAL VOLTAGE(NO LOAD) HV-243.37KV
LV-22KV
RATED CURRENT HV-1031.0A
LV-11363.6A
PHASE 1
FREQUENCY 50HZ
TYPE OF COOLING ONAN ONAF OFAF
RATING (MAV) 150 200 250
TEMP. 50ºC
TEMP.RISE IN WINDING 50-55 ºC
CONNECTION SYMBOL YND
MASS CORE+WINDING 12.5800kg
OIL MASS 58300/66600kg/ltr.
TOTAL MASS 251800Kg
NO LOAD LOSS 105KW
ON LOAD LOSS 483KW @249KVA
COOLING LOSS 15KW
OLTC (ON LOAD TAP +7.5 %TO -12.5 % IN STEPS OF 1.25%
CHANGER)TAPPING RANG ON HV NEUTRAL SIDE
HV/LV 1-1/2-2
20. 20
6.3 UNIT TRANSFORMER:-
Unit Transformer are installed to fed supply to HT switchgear.there are two 80MVA
Transformer installed near GT which are fed throw main bus ducts coming from
generator and fed to the HT switchgear. After step down THIS SUPPLY UP TO 11 KV
HT switchgear used to supply on the major auxiliary of the plant like
BFP,CWP,ID,FD,PA fens etc.The unit transformer is used to HT switchgear and it
supply voltage 22/11KV to UAT and different motors in boiler.UT is rated for
48/64/80MVA,22/11.6/11.6KV, Dyn11yn11 type winding. This permit to voltage down
up to 11KV.it have 2 radiator.
SPECIFICATIONS:-
TABLE 6.2 SPECIFICATIONS OF UT
Manufactured BHARAT BIJLEE LTD. MUMBAI
Total no. provided 2
Type of construction CORE
Rated output 48/64/80 MVA
Rated voltage at no load 22/11.6/11.6KV
Phase HV/LV1/LV2 3
Frequency 50 Hz
Oil Temp. Rise 50 ºC
Winding Temp. Rise 50-55 ºC
Connection symbol Dyn11yn11
Insulation level p.f/impulse
H V 50KV(rms)/125KVp
LV1-LV2 28KV(rms)/75KVp
LVN1-LVN2 28KV(rms)/75KVp
Winding +core mass 47500kg
Mass/volume of oil 23300/27100 kg/ltr.
Total mass 107000kg
21. 21
6.4 UNIT AUXILLIARY TRANSFORMER:-
There is one more Transformer known as Station Transformer used only for initializing
the start-up of the station (Main Plant).It is very beneficial during emergency situations
such as tripping of Units, shut-down etc.
In KaTPP 2 UAT used for step down voltage 11/3..3KV supply used to switchgear
equipments.
6.5 INSTRUMENT TRANSFORMER:-
Instrument transformer have wide range in application such as measurement of voltage,
current, power & energy power factor, frequency. It is also used for protection circuit of
the power system for operation of over current, under voltage, earth fault and other type
of relays, the instrument transformer can be classified as
6.5.1 CURRENT TRANSFORMER:-
Current transformer is used for monitoring the current for the purpose of measuring and
protection.The dead tank current transformer accommodate the secondary cores inside
the tank which is at ground potential. CT used current ratio 1000:1 and range is 1A-5A.
6.5.2 POTENTIAL TRANSFORMER:-
The function of P.T. is to step down the voltage so that it can be measured by standard
measurement.Output in pt is 110V.The transformer is generally core type and form Y-Y
group and having the insulation as oil and papers.
22. 22
CHAPTER-07
SWITCHYARD SYSTEM
7.1 INTRODUCTION
Switchyard is considered as the HEART of the Power Plant. Power generation can be
worth only if it is successfully transmitted and received by its consumers. Switchyard
plays a very important role as a buffer between the generation and transmission. It is a
junction, which carries the generated power to its destination (i.e. consumers). Switchyard
is basically a yard or an open area where many different kinds of equipments are located
(isolator, circuit breaker etc…), responsible for connecting & disconnecting the
transmission line as per requirement (e.g. any fault condition). Power transmission is done
at a higher voltage. (Higher transmission voltage reduces transmission losses).
Both units is 22KV in KaTPP. Stepped-up to 400KV by the Generating transformer &
then transmitted to switchyard. Switchyards can be of 400KV, & 200KVIn SSTPS there
are two interconnected switchyards:-
(i) 400KV SWITCHYARD
(ii) 220KV SWITCHYARD
The 400KV & 220KV switch yard have conventional two buses arrangement with a bus
coupled breaker. Both the generator transformer and line feeder taking off from switch
yard can be taken to any of the two buses, similarly two station transformer can be fed
from any two buses. Each of these line feeders has been provided with bypass isolators
connected across line isolators and breaker isolators to facilitate the maintenance of line
breaker. Each 400KV & 220KV lines have provision of local break up protection. In
event of breaker which corresponding to bus bar differential protection scheme and trips
out all the breakers and connected zone bus bars differential protection scheme for bus I
& II. All the breaker of the connected zone and bus coupler, breaker will trip in event of
fault in that zone. Here in KaTPP 4 outgoing line are as below:-
1.400KV TO BTAWDA
2.400KV TO BTAWDA
3.220KV TO JHALAWAR
4.220KV TO JHALAWAR
23. 23
Each of the two bus bars has one P.T. one for each phase connected to it. Potential
Transformer are make in CROMPTON LTD. Each time line feeders has two nos. Core for
each phase capacitor voltage Transformer. For metering and protection are multicored
single phase, oil filled, nitrogen sealed and are provided at rate of one per phase.
-
FIG 7.1 SWITCH YARD AREA
24. 24
7.1 400KV SWITCHYARD:
There are on total 21 bays in this switchyard. (A bay is basically a way for the incoming
power from generator as well as outgoing power for distribution).
3 for unit Generating Transformer.
2 for various distribution lines such as:
BTAWDA LINE 2
For Bus coupler.
2 For TBC.
2 for ICT.
1 for the Bus Section.
There are on total 2 buses in 400KV switchyard.
Bus-1
Bus-2
There are two transfer Buses
Transfer bus-1
Transfer bus-2
Transfer buses are kept spare and remain idle and are used only for emergency purposes.
BUS COUPLER-1 interconnects Bus-1 & Bus-2, respectively. Bus couplers are very
beneficial as they help in load sharing between the different buses.
TBC (TRANSFER BUS COUPLER):
TBC is a bus coupler, which uses transfer bus when there is any defect in the equipments
used (circuit breakers & isolators) in any of the bay. Thus, it offers a closed path through
transfer bus for the flow of power in the respective bus.
A described of electrical equipment at 400KV & 220KV system are as follows: -
Circuit Breaker(VCB& SF6)
Isolators
Potential Transformers (P.T.)
Lighting Arresters
Earthing Arresters
Capacitor Voltage Transformers (C.V.T.)
Inter connected transformer (ICT)
25. 25
3.
7.1.1 CIRCUIT BREAKER
It is an automatic controlling switch used in power house, substation & workshop as well as
in power transmission during any unwanted condition (any fault condition-earth fault, over-
current, flashover, single phasing,). During such condition it cuts down the supply
automatically by electromagnetic action or thermal action. It can be used in off-load as well
as on-load condition. When a circuit breaker is operated by sending an impulsethrough
relay, C.B. contact is made or broken accordingly. During this making and breaking, an arc
is produced which has to be quenched; this is done by air, oil, SF6 gas etc…
Depending on the medium being used C.B.s can be categorized into various types.PLANT
for 400 KV/220 KV switchyard only 4 main types are being used:-
ABCB (Air operated circuit breaker):- operated as well as arc quenched through air. Air
operated SF6 circuit breaker:- operated through air but arc quenching done through SF6
gas.
MOCB (Minimum oil circuit breaker):-operated through spring action but arc quenching
done through oil (Aerosol fluid oil).
Hydraulic operated SF6 circuit breaker:- operated through hydraulic oil and arc quenching
done through SF6 gas. Hydraulic operated SF6 circuit breaker is the most efficient due to
following reasons:-
1. Less maintenance.
2. Arc quenching capability of SF6 gas is more effective than air.
3. Heat transfer capacity is better in this C.B.
Here we use SF6 provided for each stage are SIEMENS made and rated for 420KV/245KV,
3150A Each pole has three interrupters which are oil filled with SF6 gas at 7.5 Kg/sq.
cm.Here in KaTPP 3AP1FI/3AP2FI type CB are used for 400KV &220KV Switchyard.
Interlock Scheme of Circuit Breaker: -
Generator Breaker
Station Transformer Breaker Line
Feeder Breaker
Bus Coupler Breaker.
26. 26
PARAMETERS FOR CB
Parameters 400KV yard For 220KV yard
Type 3AP2FI 3AP1FI
Rated voltage 420KV 245KV
Rated Lighting impulse withstand 1425KVp 1050KVp
voltage
Rated power Frequency withstand 610KV 460KV
Voltage
Frequency 50Hz 50Hz
Rated nominal current 3150A 3150A
Rated short circuit breaking current 50KA 40KA
Rated short circuit time duration 3 sec 3 sec
Rated out of phase breaking current 12.5A 10KA
First pole to clear factor 1.3 1.3
Rated Single Capacitorbankbreak 400A 125A
Current
Rated line charging break current 600A 400A
DC component 46% 25%
Rated operation sequence o-.3s-co- 0-.3S-CO-3M-CO
Rated pressure of SF6 at+20deg cel 3min-c0
Weight of SF6 6.0 bar rel 6.0bar rel
Total weight 39kg 22kg
Control voltage 5400kg 3000kg
Operation machnisiom/heating voltage 220V DC 220V DC
240V AC 240V AC
27. 27
7.1.2 ISOLATERS:-
An isolator is also a switching device used to disconnect the line. As the name suggests it
isolate the line from the supply. It is always used in OFF-LOAD condition. Whenever any
fault occurs in the equipments present in the line, in order to remove the fault or replace the
device first of all supply is disconnected. But even after the disconnection of the supply, the
line remains in charged mode so before working on the device (to remove fault) isolator
should be made open. Depending on the structure there are mainly two types of isolators:-
Pentagraph isolator.
Centre-break isolator (also known as Sequential isolator).
Pentagraph is generally used in buses whereas Centre-break (Sequential) is used in line.
Isolators may be operated in air (pneumatic), electrically or even manually.
TABLE 7.1 PARAMETERS OF ISOLATORS
7.1.3 LIGHTENING ARRESTER:-
It is a protective device, which protects the costly equipments such as overhead lines, poles
or towers, transformer etc. against lightening. As the name suggests it arrests the lightening
of very high voltage (crores of KV) and dump it into the ground.
It works on the principle of easy path for the flow of current. L.A. is connected in parallel
with the line with its lower end connected and the upper end projected above the pole of
tower.
Type VB
Manufacturing by GR-power switchgear ltd Hyderabad
Rated voltage 420/245 KV
Rating 400/200A
Impulse voltage 1050KVp
Total weight 1300/950kg
Short time current 40KA for 3 sec
Control voltage 220V DC
28. 28
7.1.4 LIGHTENING ARRESTERS:-
It is present at the highest point, at the topmost tower of the switchyard and is connected
together by wires forming a web. The reason for its presence at the topmost point is to grasp
the lightening before it can come, fall and damage the costly equipments present in the
switchyard.
FIG 7.2LIGHTING ARRESTER
SPECIFICATIONS OF LIGHTENING ARRESTER:-
TABLE 7.2 SPECIFICATIONS OF LIGHTENING ARRESTER
Type A
Maximum Voltage 245KV
MAX Current 2000A
RELAY Maximum Current 40A
Rating 165KW
Total weight 215kg
7.1.5 EARTHING ISOLATORS:-
The term ‘Earthing’ means connecting of the non-current carrying parts of the electrical
equipment or the neutral point of the supply system to the general mass of earth in such a
manner that all times an immediate discharge of electrical energy takes place without
danger. An Earthing isolator is a large value of capacitance. This can be charged up to line
voltage. Earthing isolator is used to discharge the line capacitance and work on it.
7.1.6 WAVE TRAPER:-
It is an equipment used to trap the high c arrier frequency of 500 KHz and above and allow the
29. 29
flow of power frequency (50 Hz). High frequencies also get generated due to capacitance to
earth in long transmission lines. The basic principle of wave trap is that it has low inductance (2
Henry) & negligible resistance, thus it offers high impedance to carrier frequency whereas
very low impedance to power frequency hence allowingit to flow in the station.
FIG 7.3 WAVE TRAPER
7.1.7 CURRENT TRANSFORMER:
FIG 7.4 CURRENT TRANSFORMER
This Transformer is used for basically two major functions: -
Metering which means current measurement.
Protection such as over current protection, overload earth fault protection, Bus-bar
protection, Bus differential protection.
NOTE: - Secondary of the C.T should be kept shorted because (when secondary is kept
open) even the presence of a very small voltage in the primary of C.T will prove to be
harmful as it will start working as a step-up Transformer & will increase the voltage to such
30. 30
a high value that primary would not be able to bear it & will get burned. CT used current
ratio 1000:1 and range is 1A-5A.CT connected in series while PT in parallel.
TABLE 7.3 SPECIFICATIONS OF CT
PIPRI LINE:
In the case of emergency, e.g. total grid failure we take the power from Pipri line for the
initial starting of the station (Main Plant).
Type 10SK-245/460/1050
Rated voltage 245KV
Frequency 50Hz
Current 40KA for 3 sec
Rated primary current 2000A
Continuous current 2400A
Insulation class A
Secondary terminal rating 2A
Oil weight 210kg
Total weight 850 kg
31. 31
7.1.8 CAPACITOR VOLTAGE TRANSFORMER (CVT)
FIG 7.4 CVT
This Transformer performs mainly two major functions:-
Used for voltage measurement. The high voltage of 400 KV is impossible to measure
directly. Hence a C.V.T is used, (connected in parallel with the line) which step-downs the
voltage of 400 KV to 110 KV, comparatively easy to measure.
The other most important function of C.V.T is that it blocks power frequency of 50Hz and
allows the flow of carrier frequency for communication.Each of the four line feeders provided
with three capacitor volt transformer for metering and synchronizing.
7.1.9 P.T (POTENTIAL TRANSFORMER):
This Transformer is connected in parallel with the line with one end earthed. It is only used
for voltage measurement by stepping-down the voltage to the required measurable value.
32. 1
7.1.10 INTER CONNECTED TRANSFORMER (ICT)
Purpose of ICT is simply interconnection between 400KV and 220KV Switchyard.
3xM1802-300/D-10.19.300MA2 Type autotransformer is used. Manufacture by
CROMPTON GEARVES TRANSFORMER DIVISION BHOPAL.
TABLE 7.4 PARAMETERS USE IN ICT:
Rating 315MVA,400/220/33KV
No load HV 400KV
Amperes LV 220KV
ONAN/ONAF/OFAF HV 272.8/363.7/454.6
LV 496.0/661.31/826.7
TV 1102/1470/1837.
Phase 3
Frequency 50Hz
Rating(MVA) ONAN ONAF ODAF
HV 189 252 315
LV 189 252 315
TV 63 84 109
Guaranted temp. 50 ºC
winding&oil
Connection symbol YNaod11
Core+winding mass 120700kg
Total oil 71600/81800kg/ltr.
Total mass 287000kg
No load & on load 100KW & 600KW,15KW
Loss&auxil loss
Impedance tolerance Hv-lv 12.55,hv-tv 45%,tv-lv 30%
32