
Explore how the trip matrix drives breaker tripping, interlocking, and remote-end actions in a 132 kV substation. Review the single line diagram, schematics, and metering diagram to understand protection logic.
Learn the 132 kV single-line diagram of a gas insulated switchgear substation, covering gis, voltage and current transformers, line isolators, busbar protection, and their relation to the trip matrix.
Explore the single line diagram for a 132 kV substation, detailing busbar, transformer connections, gis components, line isolators, current transformers, and differential protection schemes.
Understand the protection philosophy of a 132 kV substation, including a dc power system with twin batteries, current transformers, relays, and two-coil circuit breakers for reliable fault tripping.
Learn how redundant trip coils and single tripping coils, with a closing coil and dual DC supplies backed by battery banks and chargers, safeguard the 132 kV substation trip matrix.
Describe master trip 94 and lockout 86 relays, noting 94 auto resets while 86 latches, and present three schemes to energize the trapping coil in differential protection.
Explore the tripping circuit of a 132 kV substation, tracing how local control cubicle supplies energize the tripping coil through 86 lockout and 87 differential protection, with busbar production backups.
Explains KB locker function and KB close block function in lockout schemes, showing normally closed contacts and the closing coil control breaker operation, with reset and control-panel indications.
Explore busbar protection basics, differential protection concepts, and how busbar and feeder connections determine which breakers trip and how lockout relays operate in severe faults.
Explore circuit breaker failure protection (Kbf) with stage one and stage two logic, trip commands to local and remote ends, and direct transfer trip with coil save via NC contacts.
Course title:
Mastering Trip Matrix of 132kV Substation
Course Description:
Dear All,
This course covers the complete tripping scheme of the 132kV substation, I have started the course by explaining the single-line diagram of the substation. Later explained the philosophy of the protection system, and how relays, circuit breakers & battery banks work in a substation. I have explained the topics from a very basic level so that anyone with limited knowledge can also learn from this training.
Trainer Introduction:
Your trainer brings over 21 years of experience in operation & maintenance, erection, testing, project management, consultancy, supervision, substation automation, SCADA, and commissioning. With a background spanning power plants, high voltage substations, and HVDC installations, he has worked with renowned organizations such as Siemens Saudi Arabia. He has been involved in over 20 high-voltage substation projects across Pakistan and Saudi Arabia.
His expertise encompasses a wide range of areas including protection systems, substation automation systems, design, testing, and commissioning of power generation systems, high voltage switchgear, protection relays, and control schemes. He has a proven track record of leading testing and commissioning teams for implementing electrical infrastructure projects for industrial clients, including steel and petrochemical industries.
This training consists of 15 lectures and 1 :26 hours duration of video
I have utilized my 18plus years of field experience & try to deliver my best.
After completing this training, you will be able to understand the trip matrix, basic protection relay functionality of substation.
The following topics are covered in this training.
1. Single Line Diagram of 132kV substation
2. Protection philosophy
3. Trip coil & closing coil functionality
4. Requirement of two trip coils in system
5. Redundant battery bank, trip circuits & chargers
6. Fast tripping relays, why tripping relays are used
7. Lockout relays with ANSI code 86
8. Tripping relays with ANSI code 94
9. What is close block and when it is used
10. Where to use 86 and 94 relays
11. Busbar protection basics
12. Breaker Failure scheme basics
13. CBF stage 1 & 2 scheme
14. CBF direct transfer trip in case of stage 2
15. CBF adjacent breaker tripping
16. Trip coil save feature
17. Direct tripping from relay contacts and when to use it.
18. Advantages and disadvantages of tripping from Main relay contacts
19. Reviewed trip circuit schematics from detail drawing
20. Lockout relay schematics
21. Differential, distance, communication scheme, synch check, AR basic theory
22. Switch on to fault function
23. Transformer mechanical and electrical trip basics
24. Relay and metering SLD basics of line and transformer feeder
25. Trip matrix of line and transformer protection
Material to download:
· Substation Single Line Diagram
· 132kV line feeder trip matrix
· 132kV transformer feeder trip matrix
· Detail transformer protection panel schematics
· Detail line protection panel schematics
· Presentation
Wish you the best of luck.