Low Impedance Busbar Protection Panel Schematics

What you'll learn
Introduction to busbar protection
Breaker Failure protection philosophy
Substation Single line diagram, shown for busbar protection logic
High impedance Vs Low impedance busbar protection, advantages and disadvantages of each protection
Breaker Failure stage 1 & 2 operation
Direct Transfer Trip in case of Breaker Failure protection stage 2
Busbar panel general characteristics
Design aspects of the panel
Explained the symbols used in the drawings
How busbar zone is formed
Line and busbar isolator
Busbar rating
What is isolator replica and why it is required
Selection of CT ratio criteria
Criteria for CT ratio selection
Option of CT ratio selection for low impedance busbar protection
Tripping matrix from busbar protection & breaker failure protection
Trip command from busbar protection based on the isolator replica
Basics of schematics, how page is divided in rows and column, how to read cross reference, move between pages.
How loop is defined in schematics & how loops are named
AC Supply circuit
AC supply change over scheme
Busbar protection blocking function, why it is required
Current transformer circuit of busbar protection
Power Supply circuit of busbar protection
Trip and Lockout schematics, CB Close Block, AR Block Schematics
Isolator Replica, CB faulty, DTT, Binary input Configurations
Direct Transfer Trip from Busbar
DC supply supervision Z sheet, component drawings, side and front view
Requirements
Basics of electrical
Description
Dear All,Welcome to the course about "Low Impedance Busbar Protection Panel Schematics". This training is start from very basic level to advance level. Focus has been given to deliver the practical and hands on knowledge.Trainer have over 18 years of field experience and has worked at 11/132/220/500kV Substation, 1263MW power plant, 660kV HVDC system. worked with several companies, SIEMENS, ABB, GE, SEC, KE, WAPDA, NTDC, ARAMCO, SABIC, MARAFIQ. Trainer has given hundreds of trainings online and offline, so it will be great to join this training and take advantage of field experience. Following topics are covered in this training:Introduction to busbar protectionBreaker Failure protection philosophySubstation Single line diagram, shown for busbar protection logicHigh impedance Vs Low impedance busbar protection, advantages and disadvantages of each protectionBreaker Failure stage 1 & 2 operationDirect Transfer Trip in case of Breaker Failure protection stage 2Busbar panel general characteristics Design aspects of the panelExplained the symbols used in the drawingsHow busbar zone is formedLine and busbar isolatorBusbar rating What is isolator replica and why it is requiredCriteria for CT ratio selectionOption of CT ratio selection for low impedance busbar protection Tripping matrix from busbar protection & breaker failure protectionTrip command from busbar protection based on the isolator replicaBasics of schematics, how page is divided in rows and column, how to read cross reference, move between pages.How loop is defined in schematics & how loops are namedAC Supply circuit AC supply change over schemeBusbar protection blocking function, why it is requiredCurrent transformer circuit of busbar protectionPower Supply circuit of busbar protectionTrip and Lockout schematics, CB Close Block, AR Block SchematicsIsolator Replica, CB faulty, DTT, Binary input ConfigurationsDirect Transfer Trip from BusbarDC supply supervisionZ sheet, component drawings, side and front viewThanks
Overview
Section 1: Introduction
Lecture 1 Introduction
Section 2: General Characteristics
Lecture 2 General Characteristics
Section 3: Symbols
Lecture 3 Symbols
Section 4: Single Line Diagram
Lecture 4 Single Line Diagram
Section 5: Drawing Basics, Loop, Inter panel references
Lecture 5 Drawing Basics, Loop, Inter panel references.
Section 6: AC Supply Circuit
Lecture 6 AC Supply Circuit
Section 7: Busbar Protection Blocking function
Lecture 7 Busbar Protection Blocking function
Section 8: CT circuit for Busbar Protection
Lecture 8 CT circuit for Busbar Protection
Section 9: Power Supply Circuit for Busbar Protection Relay
Lecture 9 Power Supply Circuit for Busbar Protection Relay
Section 10: Trip and Lockout schematics, CB Close Block, AR Block Schematics
Lecture 10 Trip and Lockout schematics, CB Close Block, AR Block Schematics
Section 11: Isolator Replica, CB faulty, DTT, Binary input Configurations
Lecture 11 Isolator Replica, CB faulty, DTT, Binary input Configurations
Section 12: Direct Transfer Trip from Busbar
Lecture 12 Direct Transfer Trip from Busbar
Section 13: DC supply supervision
Lecture 13 DC supply supervision
Section 14: Z sheet, component drawings, side and front view
Lecture 14 Z sheet, component drawings, side and front view
Students, technicians & engineers


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