This course covers electric drive systems controlled by power electronic converters. It discusses DC drives, induction motor drives controlled from the stator side and rotor side, and synchronous motor drives. Students will learn about drive characteristics and modeling, DC drive configurations, closed-loop control of induction motors, efficient speed control methods for induction motors, and control techniques for synchronous motors. The course aims to provide an understanding of electric drive performance and applications in various industries.
Speed Control Techniques for Induction Motor - A Reviewijsrd.com
In this paper, various types of speed control methods for the single phase induction motor are described. Speed can be controlled to control the frequency or slip can be controlled to control the torque. Then flux and torque are also function of frequency and voltage. Various methods are used to control the flux and voltage. This paper is focused on sliding mode control technique for induction motor.
Speed Control of Induction Motor using Variable Frequency DriveSandeep Kaushal
Induction motor is constant speed motor at a particular frequency and consumes almost same power irrespective of load demand. Let's talk about two different load one is high load and other low load. AT low load motor is delivering the load with some current and thereby torque is maintained. If load goes high, to maintain the same speed and developed torqued, motor will draw extra current and will corresponds to more losses. If speed of motor is reduced corresponding too low load and is increased corresponding to high load, then substantial amount of power can be saved. And speed can be changed by changing the frequency of input supply.
Speed Control Techniques for Induction Motor - A Reviewijsrd.com
In this paper, various types of speed control methods for the single phase induction motor are described. Speed can be controlled to control the frequency or slip can be controlled to control the torque. Then flux and torque are also function of frequency and voltage. Various methods are used to control the flux and voltage. This paper is focused on sliding mode control technique for induction motor.
Speed Control of Induction Motor using Variable Frequency DriveSandeep Kaushal
Induction motor is constant speed motor at a particular frequency and consumes almost same power irrespective of load demand. Let's talk about two different load one is high load and other low load. AT low load motor is delivering the load with some current and thereby torque is maintained. If load goes high, to maintain the same speed and developed torqued, motor will draw extra current and will corresponds to more losses. If speed of motor is reduced corresponding too low load and is increased corresponding to high load, then substantial amount of power can be saved. And speed can be changed by changing the frequency of input supply.
Speed control of single phase induction motor with variable frequency voltage...SHAHRUKH ALAM
A PROJECT ON SPEED CONTROL OF SINGLE PHASE INDUCTION MOTOR WITH VARIABLE FREQUENCY VOLTAGE SOURCE INVERTER(VSI) special thanks-:1.Abhishek Srivastav(Coer) 2.Kushal Setia(Coer) 3.Ankit Raj(Coer)
Basic Presentation on Speed control of induction motorNileshBambhaniya2
This presentation prepared base on two research paper and electrical machine by NTPL IIT Madrash.
Basic presentation on speed control introduction and method of speed control.
DC motor and open loop speed control.
Closed loop speed control of DC drives.
Closed loop speed control with inner loop current control
Closed loop field control
Closed loop armature control.
SPEED CONTROL OF INDUCTION MACHINE WITH REDUCTION IN TORQUE RIPPLE USING ROBU...IAEME Publication
In this paper a novel and simple algorithm for three-phase induction motor(IM) under Direct Torque Control (DTC) scheme using Classic DTC switching table for dynamic torque ripple reduction and space-vector modulation scheme for steady state torque and flux control is proposed. The proposed scheme having the advantages of low torque ripples as well as constant switching frequency.
Simulation results are given to prove the ability of the proposed method obtaining good speed control bandwidth while overcoming classic DTC and DTC-SVM drawbacks.
Speed Control of DC Motor under Varying Load Using PID ControllerCSCJournals
DC motors are used extensively in industrial variable speed applications because of most demanding speed-torque characteristics and are simple in controlling aspects. This paper presents a DC motor speed controlling technique under varying load condition. The linear system model of separately excited DC motor with Torque-variation is designed using PID controller. A Matlab simulation of proposed system with no-Load and full-load condition is performed on Simulink platform to observe the system response. The motor speed is kept constant in this experiment. The simulation result of the experiment shows that a motor is running approximately at a constant speed regardless of a motor load. The Simulink results show that the speed of the motor is slow down only for about 270 rpm (9%) in 980 milliseconds under the effect of full load. However, the motor speed is hunting about 200 rpm (6.66%) in 900 milliseconds on unloading condition. It is concluded that a PID controller is successful tool for controlling the motor speed in presence of load disturbances.
Speed control of single phase induction motor with variable frequency voltage...SHAHRUKH ALAM
A PROJECT ON SPEED CONTROL OF SINGLE PHASE INDUCTION MOTOR WITH VARIABLE FREQUENCY VOLTAGE SOURCE INVERTER(VSI) special thanks-:1.Abhishek Srivastav(Coer) 2.Kushal Setia(Coer) 3.Ankit Raj(Coer)
Basic Presentation on Speed control of induction motorNileshBambhaniya2
This presentation prepared base on two research paper and electrical machine by NTPL IIT Madrash.
Basic presentation on speed control introduction and method of speed control.
DC motor and open loop speed control.
Closed loop speed control of DC drives.
Closed loop speed control with inner loop current control
Closed loop field control
Closed loop armature control.
SPEED CONTROL OF INDUCTION MACHINE WITH REDUCTION IN TORQUE RIPPLE USING ROBU...IAEME Publication
In this paper a novel and simple algorithm for three-phase induction motor(IM) under Direct Torque Control (DTC) scheme using Classic DTC switching table for dynamic torque ripple reduction and space-vector modulation scheme for steady state torque and flux control is proposed. The proposed scheme having the advantages of low torque ripples as well as constant switching frequency.
Simulation results are given to prove the ability of the proposed method obtaining good speed control bandwidth while overcoming classic DTC and DTC-SVM drawbacks.
Speed Control of DC Motor under Varying Load Using PID ControllerCSCJournals
DC motors are used extensively in industrial variable speed applications because of most demanding speed-torque characteristics and are simple in controlling aspects. This paper presents a DC motor speed controlling technique under varying load condition. The linear system model of separately excited DC motor with Torque-variation is designed using PID controller. A Matlab simulation of proposed system with no-Load and full-load condition is performed on Simulink platform to observe the system response. The motor speed is kept constant in this experiment. The simulation result of the experiment shows that a motor is running approximately at a constant speed regardless of a motor load. The Simulink results show that the speed of the motor is slow down only for about 270 rpm (9%) in 980 milliseconds under the effect of full load. However, the motor speed is hunting about 200 rpm (6.66%) in 900 milliseconds on unloading condition. It is concluded that a PID controller is successful tool for controlling the motor speed in presence of load disturbances.
Electrical drives are integral part of industrial and automation processes, particularly where precise control of speed of the motor is the prime requirement. In addition, all modern electric trains or locomotive systems have been powered by electrical drives. Robotics is another major area where adjustable speed drives offer precise speed and position control.
International Journal of Engineering Research and Applications (IJERA) aims to cover the latest outstanding developments in the field of all Engineering Technologies & science.
International Journal of Engineering Research and Applications (IJERA) is a team of researchers not publication services or private publications running the journals for monetary benefits, we are association of scientists and academia who focus only on supporting authors who want to publish their work. The articles published in our journal can be accessed online, all the articles will be archived for real time access.
Our journal system primarily aims to bring out the research talent and the works done by sciaentists, academia, engineers, practitioners, scholars, post graduate students of engineering and science. This journal aims to cover the scientific research in a broader sense and not publishing a niche area of research facilitating researchers from various verticals to publish their papers. It is also aimed to provide a platform for the researchers to publish in a shorter of time, enabling them to continue further All articles published are freely available to scientific researchers in the Government agencies,educators and the general public. We are taking serious efforts to promote our journal across the globe in various ways, we are sure that our journal will act as a scientific platform for all researchers to publish their works online.
Electrical drive unit 1 as per IP university_EEEamrutapattnaik2
it is the complete Electrical Drive syllabus of the unit1. i 've tried a lot to merge everything in one PPT.it might be helpful for final year students.
i am also thankful to slideshare as I also collected all data and notes from this site too.
kindly share your suggestions for the improvement
Robotics deals with the design, construction, operation, and use of robots, as well as computer systems for their control, sensory feedback, and information processing. These technologies are used to develop machines that can substitute for humans and replicate human actions
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)MdTanvirMahtab2
This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
Student information management system project report ii.pdfKamal Acharya
Our project explains about the student management. This project mainly explains the various actions related to student details. This project shows some ease in adding, editing and deleting the student details. It also provides a less time consuming process for viewing, adding, editing and deleting the marks of the students.
Saudi Arabia stands as a titan in the global energy landscape, renowned for its abundant oil and gas resources. It's the largest exporter of petroleum and holds some of the world's most significant reserves. Let's delve into the top 10 oil and gas projects shaping Saudi Arabia's energy future in 2024.
Water scarcity is the lack of fresh water resources to meet the standard water demand. There are two type of water scarcity. One is physical. The other is economic water scarcity.
Event Management System Vb Net Project Report.pdfKamal Acharya
In present era, the scopes of information technology growing with a very fast .We do not see any are untouched from this industry. The scope of information technology has become wider includes: Business and industry. Household Business, Communication, Education, Entertainment, Science, Medicine, Engineering, Distance Learning, Weather Forecasting. Carrier Searching and so on.
My project named “Event Management System” is software that store and maintained all events coordinated in college. It also helpful to print related reports. My project will help to record the events coordinated by faculties with their Name, Event subject, date & details in an efficient & effective ways.
In my system we have to make a system by which a user can record all events coordinated by a particular faculty. In our proposed system some more featured are added which differs it from the existing system such as security.
Forklift Classes Overview by Intella PartsIntella Parts
Discover the different forklift classes and their specific applications. Learn how to choose the right forklift for your needs to ensure safety, efficiency, and compliance in your operations.
For more technical information, visit our website https://intellaparts.com
CFD Simulation of By-pass Flow in a HRSG module by R&R Consult.pptxR&R Consult
CFD analysis is incredibly effective at solving mysteries and improving the performance of complex systems!
Here's a great example: At a large natural gas-fired power plant, where they use waste heat to generate steam and energy, they were puzzled that their boiler wasn't producing as much steam as expected.
R&R and Tetra Engineering Group Inc. were asked to solve the issue with reduced steam production.
An inspection had shown that a significant amount of hot flue gas was bypassing the boiler tubes, where the heat was supposed to be transferred.
R&R Consult conducted a CFD analysis, which revealed that 6.3% of the flue gas was bypassing the boiler tubes without transferring heat. The analysis also showed that the flue gas was instead being directed along the sides of the boiler and between the modules that were supposed to capture the heat. This was the cause of the reduced performance.
Based on our results, Tetra Engineering installed covering plates to reduce the bypass flow. This improved the boiler's performance and increased electricity production.
It is always satisfying when we can help solve complex challenges like this. Do your systems also need a check-up or optimization? Give us a call!
Work done in cooperation with James Malloy and David Moelling from Tetra Engineering.
More examples of our work https://www.r-r-consult.dk/en/cases-en/
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.
Courier management system project report.pdfKamal Acharya
It is now-a-days very important for the people to send or receive articles like imported furniture, electronic items, gifts, business goods and the like. People depend vastly on different transport systems which mostly use the manual way of receiving and delivering the articles. There is no way to track the articles till they are received and there is no way to let the customer know what happened in transit, once he booked some articles. In such a situation, we need a system which completely computerizes the cargo activities including time to time tracking of the articles sent. This need is fulfilled by Courier Management System software which is online software for the cargo management people that enables them to receive the goods from a source and send them to a required destination and track their status from time to time.
Democratizing Fuzzing at Scale by Abhishek Aryaabh.arya
Presented at NUS: Fuzzing and Software Security Summer School 2024
This keynote talks about the democratization of fuzzing at scale, highlighting the collaboration between open source communities, academia, and industry to advance the field of fuzzing. It delves into the history of fuzzing, the development of scalable fuzzing platforms, and the empowerment of community-driven research. The talk will further discuss recent advancements leveraging AI/ML and offer insights into the future evolution of the fuzzing landscape.
2. UNIT I: DRIVE CHARACTERISTICS
Characteristics of mechanical system; requirement of drive
characteristics; selecting the drive elements; modeling of dc
motor; selection of motor rating; P. PI and PID controllers;
constant HP and constant torque operations.
UNIT II: DC DRIVES
Single phase and three phase drives - half controlled and
fully controlled; Chopper drives - class A, B, C, D and E
chopper drives; braking of dc drives.
UNIT III: STATOR SIDE CONTROLLED INDUCTION MOTOR
DRIVE
Stator voltage controlled induction motor drive - slip torque
characteristics; different configuration of controller's input
current; closed loop operation.
Stator frequency controlled induction motor drive-Slip-
torque characteristics; harmonic equivalent circuit; Rotating
magnetic fields; harmonic current; efficiency; torque;
stability.
3. UNIT IV: ROTOR SIDE CONTROLLED INDUCTION MOTOR
DRIVE
Rotor Resistance Control: slip-torque characteristics;
equivalent chopper resistance; chopper circuit filter;
constant current operation.
Slip Power Recovery Scheme: Slip power recovery scheme;
sub synchronous operation; performance prediction;
input power factor.
UNIT V: SYNCHRONOUS MOTOR DRIVES
Open loop volts/hertz control and self-control of
synchronous motor: Marginal angle control and power
factor control. Introduction to vector control - Principles
and types.
4. This course will make an engineering student to
Understand the performance of electric drives controlled
from power electronic converters.
Will come across characteristics, modeling and selection of
motor power rating.
To understand the operation and performance of converter
and chopper fed dc drives.
Teaches solid state control of induction motors both from
stator side and rotor side and closed loop operation of
electric drives and
Teaches various control techniques for synchronous motor
drives.
5. On successful completion of the course, student will be able to
CO1
Familiarize with the electrical and mechanical limitations, operating
regions and selection of drives.
CO2
Analyze the performance of converter/chopper fed drives and application
of power electronics for controlling the motors in different modes.
CO3
Analyze the various speed control methods of stator side controlled
Induction motor drives and applications like Textile mills, Paper mills.
CO4
Analyze the various speed control methods of rotor side controlled
Induction motor drives and efficient energy recovery techniques for
Electric Traction, Electric vehicle drive systems.
CO5
Analyze the different types of control in Synchronous motor drives and its
application in paper processing, marine, cement industries.
13. Electrical Drive
Systems employed for motion control are called as Drives.
It may employ any of prime movers such as diesel or petrol
engines, gas or steam turbines, steam engines, hydraulic
motors and electric motors, for supplying mechanical
energy for motion control.
Drives employing electric motors are called as Electrical
Drives.
18. Electrical Source
Voltage Rating::110V, 230V, 415V, 25KV
Current Rating:: 0.5A, 1A, 2A, 3A, 5A, 10A, 15A, 20A, 30A
Frequency-50Hz
Voltage Rating::5V, 6V, 12V, 24V, 48V, 220V
Current Rating:: 0.2A, 0.3A, 0.5A, 1.5A, 1A, 2A, 2.5A, 2A,
3A
There is no Frequency
• Current
• Voltage
19. • Modulates flow of power from the source to the
motor in such a manner that motor is imparted
speed torque characteristics required by the load
• During transient operations , such as starting,
braking and speed reversal . It restricts the source
and motor current within permissible value
• Converts electrical energy of the source in the
form suitable to motor.
• Selects the mode of operation
20. classification of power modulator:
(a) Converters:
Need for converter arises when nature of the available
electrical power is different than what is required for the
motor.
1.ac to dc converter
2.dc to dc converter
3.Inverters
4.cycloconverters
21. Variable resistors are commonly used for the control of dc
and ac drives.
Can be controlled manually or automatic.
Stepless variation of resistance can be obtained using a
semiconductor switch in parallel with a fixed resistance;
variation of duty ratio of the switch gives a stepless
variation in effective value of the resistance.
(b)Variableimpedances
22. (c)SwitchingCircuits:
For changing motor connections to change it’s quadrant of
operation
For operating motors and drives according to
predetermined sequence
To disconnect motor when abnormal conditions
occur
26. Inverters
Inverter is used to convert the DC Voltage into AC Voltage
Inverter
DC Voltage AC Voltage
T
V
T
V
27. Chopper
Chopper is used to convert the fixed DC Voltage into Variable DC Voltage
Chopper
Fixed DC
Voltage
Variable DC
Voltage
T
V
T
V
28. Cyclo Converters
Cyclo Converter is used to convert the Fixed Frequency into Variable Frequency
Converter
Fixed
Frequency
Variable
Frequency
29. ELECTRICAL MOTORS
The possible form of drive motors are
(a). Dc motor fed from DC supply (chopper)
(b) Dc motor fed from AC supply (rectifier)
(c) Ac motor fed from AC supply (AC regulator)
30. AC Motor
Induction Motor
Compound Motor
Synchronous Motor
Series Motor
Shunt Motor
DC Motor Special Type Motor
Stepper Motor
BLDC Motor
Reluctance Motor
Types of Motor
Universal Motor
31. Most commonly used electrical drives are
DC MOTORS
1. Shunt motor
2. Series motor
3. Compound motor
4. Permanent magnet motor
AC MOTORS
INDUCTION MOTORS
1. Squirrel cage IM
2. Wound rotor IM
3. Linear IM
SYNCHRONOUS MOTORS
1. Wound field motor
2. Permanent magnet motor
Brushless dc motors
Stepper motors
Switched reluctance motors
32. Sensing Unit
Sensor is used to sense the physical quantity and convert it to electrical
quantity
It senses the certain drive parameter like motor current and speed.
It mainly required either for protection or for closed loop operation.
Sensor
Physical
Quantity
Electrical
Quantity
33. Sensing Unit
In this unit, there are two functions are performed i. Speed Sensing ii. Current
Sensing
SPEED SENSING
Speed sensing is required for implementation of closed loop speed control
schemes. Speed is usually sensed by Tachometers. When very high speed
accuracies required, as in computer peripherals and paper mills, etc.,
digital tachometers are used
CURRENT SENSING
Current sensing employs two methods
1. Use of current sensor employing hall effect
34. Control Unit
• It controls the system motion without any damages according to
the sensing unit along with input command.
• The control unit controls the power modulator which operates
at small voltage and power levels. The control unit also
operates the power modulator as desired.
• Control unit consist of
digital integrated circuit,
Transistor and
Microprocessor
35. Load
• Normally loads are designed for accomplishing the
given task.
• For example
Fan,
Pumps,
Robots,
Washing Machine
36. • The load has certain torque speed characteristic
• A motor having speed torque characteristic and capabilities
compatible to the load requirement is chosen
37. • Have flexible control characteristics
• Available in wide range of torque , speed and
power
• Not pollute the environment
• Adaptable in almost any operating conditions
• Can operate in all the four quadrant of
operations
• Smooth speed control