This document summarizes a seminar presentation on Power Line Carrier Communication (PLCC). It acknowledges those involved in the project and thanks various professors and colleagues. It then covers: an introduction to PLCC and how it works; basic principles including modulation; equipment used both outdoors and indoors; coupling arrangements; a block diagram of typical PLCC installation; advantages and disadvantages; and references.
PLCC: A promising futuristic technology!!!.. still in India we do not use it due to many reasons.... because PLCC, Power Line Carrier Communication, is an approach to utilize the existing power lines for the transmission of information.
Power Line Carrier Communication (PLCC) is a communication method that uses electrical wiring to simultaneously carry both data and electric power. This makes power line communication one of the best means for networking. It is also known as power line carrier, power line digital subscriber line (PDSL), mains communication, power line telecommunications, or power line networking (PLN).
PLCC: A promising futuristic technology!!!.. still in India we do not use it due to many reasons.... because PLCC, Power Line Carrier Communication, is an approach to utilize the existing power lines for the transmission of information.
Power Line Carrier Communication (PLCC) is a communication method that uses electrical wiring to simultaneously carry both data and electric power. This makes power line communication one of the best means for networking. It is also known as power line carrier, power line digital subscriber line (PDSL), mains communication, power line telecommunications, or power line networking (PLN).
PLCC system uses the same High Voltage transmission line connecting
two sub-stations for telecommunication purpose too.
PLCC is used in all power utilities as a primary communication service to transmit speech, telemetry and protection tripping commands. This is economic and reliable for inter grid message transfer as well as low bit rate RTU signals.
The voice/data are mixed with radio frequency carrier (40-500kHz), amplified to a level of 10-80W RF power and injected in to high voltage power line using a suitable coupling capacitor. The power line as a rigid long conductor parallel to ground, guides the carrier waves to travel along the transmission line. Point to point communication takes place between two SSB transceivers at both ends.
Report on power line career communication by ramanand sagarRamanand Sagar
Dear friends,
This report is written by me after long research of one month after completing my summer training from PLCC section at CHAMBAL POWER HOUSE, Jaipur,INDIA
It woul be benificial to you who want knowledge on Power Line Career Communication.
Thankyou
Your Sincerly
RAMANAND SAGAR
email- silverramanand@gmail.com
Now in day to day life we have seen that every thing is in digitilized form so this this presentation is ol about the evolution of meter into automatic meter with many technologies.
Its quiet intresting topic and very vast topic too.
PLCC system uses the same High Voltage transmission line connecting
two sub-stations for telecommunication purpose too.
PLCC is used in all power utilities as a primary communication service to transmit speech, telemetry and protection tripping commands. This is economic and reliable for inter grid message transfer as well as low bit rate RTU signals.
The voice/data are mixed with radio frequency carrier (40-500kHz), amplified to a level of 10-80W RF power and injected in to high voltage power line using a suitable coupling capacitor. The power line as a rigid long conductor parallel to ground, guides the carrier waves to travel along the transmission line. Point to point communication takes place between two SSB transceivers at both ends.
Report on power line career communication by ramanand sagarRamanand Sagar
Dear friends,
This report is written by me after long research of one month after completing my summer training from PLCC section at CHAMBAL POWER HOUSE, Jaipur,INDIA
It woul be benificial to you who want knowledge on Power Line Career Communication.
Thankyou
Your Sincerly
RAMANAND SAGAR
email- silverramanand@gmail.com
Now in day to day life we have seen that every thing is in digitilized form so this this presentation is ol about the evolution of meter into automatic meter with many technologies.
Its quiet intresting topic and very vast topic too.
This paper deals with the design of filters and THD analysis of a low - frequency ac (20Hz) transmission system. The LFAC system is interfaced with the 50Hz main power grid with a cycloconverter. The wind power is collected in dc form,and is connected to the L FAC transmission line with a twelve pulse inverter. The waveforms at the sending end and receiving end of the transmission line are plotted.THD analysis of LFAC system is carried out. The circuit model of LFAC system is simulated in MATLAB/SIMULINK.
Integrated cmos rectifier for rf-powered wireless sensor network nodesjournalBEEI
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Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
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.
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.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
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/
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Hierarchical Digital Twin of a Naval Power SystemKerry Sado
A hierarchical digital twin of a Naval DC power system has been developed and experimentally verified. Similar to other state-of-the-art digital twins, this technology creates a digital replica of the physical system executed in real-time or faster, which can modify hardware controls. However, its advantage stems from distributing computational efforts by utilizing a hierarchical structure composed of lower-level digital twin blocks and a higher-level system digital twin. Each digital twin block is associated with a physical subsystem of the hardware and communicates with a singular system digital twin, which creates a system-level response. By extracting information from each level of the hierarchy, power system controls of the hardware were reconfigured autonomously. This hierarchical digital twin development offers several advantages over other digital twins, particularly in the field of naval power systems. The hierarchical structure allows for greater computational efficiency and scalability while the ability to autonomously reconfigure hardware controls offers increased flexibility and responsiveness. The hierarchical decomposition and models utilized were well aligned with the physical twin, as indicated by the maximum deviations between the developed digital twin hierarchy and the hardware.
Presentation on power line career communication by ramanand sagar
1. Welcome to
Shankara
Institute of Technology
Seminar on Power Line Carrier
Communication
(PLCC)
Presented to:- Presented by:-
Mr. Rajesh Kanwadia and Ramanand Sagar
Ms. Shweta Agarwal B.Tech (VIITh SEM)
Assistant professor 12ESIEC047
(ECE Department)
2. ACKNOWLEDGEMENT
I am grateful to Mr. R. P. Meena (Assistant engineer) for providing me an
opportunity to work as a trainee in PLCC section of Chambal G.S.S. I am
thankful to Mr. Rajesh Chander Singh (R.M-II) all other technical staff of
PLCC of their valuable practical guidance and their keen interest in my
training.
I am very grateful to Mr. Ashutosh Mishra (HOD of ECE Department) to give me
opportunity to go under training at PLCC SECTION 132 KV, CHAMBAL G.S.S.,
JAIPUR as I was very enthusiastic about this. I am also very thankful to our seminar
in-charge Mr. Rajesh Kanwadia(Assistant professor of ECE Depatment and Ms.
Shweta Agarwal(Assistant professor of ECE Department).
I am thankful to my batch- mate and as well as my training colleague.
3. CONTENTS
INTRODUCTION OF RVPN
INTRODUCTION OF PLCC
BASIC PRINCIPLE OF PLCC
EQUIPMENTS USED IN PLCC
OUTDOOR EQUIPMENTS
BASIC COUPLING ARRANGEMENT
TYPES OF COUPLING
INDOOR EQUIPMENTS
WORKING WITH BLOCK DIAGRAM
TYPICAL PLCC INSTALLATION
ADVANTAGES AND DISADVANTAGES OF PLCC
REFRENCES
4. Introduction of RVPN
"An ISO 9001:2008 Certified Company“
RVPN's Meter Testing Laboratories at Jaipur and
Udaipur are Now "ISO/IEC 17025:2005 Certified"
Moto:- “ Energy Saved is Energy Generated”.
It is the successor company of RSEB.
Function :- Tranmission of bulk power from generating
stations to inter-phase point of Discoms.
6. Introduction of PLCC
Communication using existing power cable is
called as PLCC.
Power Line Communication (PLC) is a
communication technology that enables
sending data over existing power cables.
PLCC is said to be backbone of Electrical
transmission system
7. Continued…
For large power system power line carrier
communication is used for
1. Speech transmission
2. Data transmission and
3. Protection of transmission lines
NEED OF PLCC
1. To cope up with ever increasing size of power grid
2. Need for economic and reliable means of
intercommunication between various generating station,
substation and control room
3. Avoid dependence of busy telephone lines
8. BASIC PRINCIPAL OF PLCC
Power-line communications systems operate by
adding a modulated carrier signal on one
conductor, on two conductors or on all three
conductors of a high-voltage AC transmission
line
Allotted frequencies range for this purpose is
from 24 to500 kHz, with transmitter power levels
up to hundreds of watts.
9. Continued…..
To carry out this communication there is a
need of modulation. For PLCC, generally
amplitude modulation (AM) is used
Sometimes frequency modulation is also
used if transmitting
medium is optical
fiber instead of
coaxial-cable.
11. Wave Trap
Do not allow the transmitted HFcarrier to enter inside the
sub-station.
without line trap HF carrier get bypassed to some other line
on the same bus bar and may leak to ground.
12. Wave Trap function = PLC signal
Blocking
Substation
Line Trap = High Impedance for Career signle
Low Impedance for Power signle (50 Hz)
Power signle
PLCC Signal
13. LMU
LMU = impedance matching Transformer + high voltage
Protection
To prevent dangerous potential on the PLCC
connection
To match PLCC set & transmission Line
Matching + Protection
LMU
14. Coupling Capacitor (C.C) :- Couples high
frequency carrier with Power Line ( 4000
to10000pF)
Coupling Capacitor = High Impédance to power frequency(50 Hz)
Low Impedance to career frequency
Drainage coil :- If any leakage current flows
due to any distortion, then this drainage coil
arrests all leakage current and ground it so that
it does not cause any harm to the network.
15. Lightning arrester :- Device used on electrical
power systems and telecommunications systems to
protect the insulation and conductors of the system from
the damaging effect of lightning.
Earthing switch:- Used at the time of maintenance
of LMU.
Co-axial cable :- Used for inter connection between
PLCC & L.M.U. for carrying the high frequency signal.
22. ABB PLCC terminal ETL- 41
System data -- complies to IEC 495
Operating mode : Single side band Suppressed carrier
Frequency range: 40 to 500kHz (programmable in 4 kHz Steps)
AF Bandwidth: 4 kHz (Speech band=300 – 3400 Hz)
Transmitter RF output power : 40W ( +46 dBm)
Receiver Selectivity : 70dB ( 300Hz from band limit)
Receiver Image rejection > 80 dB
23. RTU, EPBAX and BATTERY BAANK
R.T.U (REMOTE TERMINAL UNIT) :-
Interface with the electrical network to be monitored/controlled.
Collects, filters& processes the power system data and transmits it to the
control center.
Receives the control commands from the control centre
EPBAX 2003(PLCC):- This is used for telephone facility at
PLCC and grid sub station.
BATTERY BANK:- In case main supply is off, battery bank
supply required amount of supply power.
Now a day care-free VARLA BATTERR is used.
24. BATTERY CHARGER
Technical specifications:-
Normal input :- 415 V AC 3 Phase
Input variation :- +/- 20% of voltage
Float charger:-
Efficiency :- >70%
Line regulation & load regulation :- +/- 1% individual
Ripple :- 0.6 V PP (Peak to peak)
Boost charger:-
DC output :- 43.2 to 67.2 V
Output current: - 25-70 Amps.
Over load :- 10%
Efficiency :- >80%
26. Typical PLCC Installation
MS = Master station
PAX = Private automatic exchange
PR = Protection relay
PC = Computer
M = Modem
ETLETL
LT
LT
C
FAX
FAX
PR PC MS PAX FAX
M
PR PC RTU FAX
M
PR= Protection relay
FAX = Facsimile equipment
M = Modem
RTU = Remote terminal unit
cc cc
27. ADVANTAGES & DISADVANATGES
ADVANATGES
No separate wires are needed for communication purposes
power lines have appreciably higher mechanical strength.
Power lines have large cross-sectional areas resulting in very low
resistance per unit length.
DISADVANTAGE
Proper care has to be taken to guard carrier equipment and persons
using them against high voltages and currents on the lines.
Noise introduced by power lines is far more than in case of
telephone lines. This is due to the noise generated by discharge
across insulators, corona and switching processes
28. REFRENCES
[1] http://www.rajasthandirect.com/government-department/rajasthan-state-electricity-board
[2] http://electrical-engineering-portal.com/power-line-career-communication-plcc
[3] http://www.engineersgarage.com/articles/plcc-power-line-carrier-communication
[4] en.m.wikipedia.org/wiki/Power-line_communication
[5] en.m.wikipedia.org/wiki/Amplitude_modulation
[6] Manual of ETI equipment
A.B.B(Asea Brown Bowery Ltd)
[7] ] http://www.engineersgarage.com/articles/plcc-power-line-carrier-communication
[8] [ N.N.Biswas and Edition-1975], “Principles of carrier communication”.
[9].Manual on Battery Charger
Omega Electroics
[10] slideshare.net/mobile/vishu_angira/power-line-career-communication
Editor's Notes
*Importance of communication for any organisation.
*
The power frequency and radio frequency currents are sorted by this arrangement.