Circuit breakers and switchgear are necessary system items for the electrical control of electrical plant. The safe use of these devices and associated equipment requires correct initial selection, operation and maintenance. It is also necessary to have a detailed understanding of how these devices should be installed, the local substation and system ratings, and how the various breakers operate, in order to enable accurate troubleshooting and subsequent repair. The course will provide participants with a solid understanding of Circuit Breaker and switchgear theory and standards. The course will also make participants aware of issues concerning the proper application, installation and maintenance of circuit breaker equipment
Course Objectives
Understanding fundamentals of operating switchgear and circuit breakers
Understand the operation of switchgear components
Being able to select appropriate type and rating of circuit breakers and switchgear
Learning the troubleshooting procedures for circuit breakers and associated switchgear
Being familiar with the use of test equipment
Who Should Attend?
Maintenance supervisors
Novice engineers
Plant engineers
Electricians
Plant mechanics
Service technicians
Contractors
Energy auditors
Layout professionals
Day-1
1. Need for Circuit Protection
2. Circuit Breaker Design
3. Types of Circuit Breakers
4. Air circuit Breaker
Day-2
5. HV Vacuum C.B
6. SF6 C.B
7. Circuit Breaker Ratings
8. Time-Current Curves
9. Maintenance Of Air Circuit Breaker.
Day-3
10. Testing Of CB (Over Current Tripping Test)
11. Primary Injection Test.
12. Secondary Injection Test.
Day-4
13. Control and Operating Test.
14. Insulation Resistance Test
15. Selective Coordination of C.Bs.
