Basics and Procedure for IR, CRM and Timing Test of Switchgear in English (Circuit Breaker Testing)

Описание: This video will be useful for one who wants to know detail about three test switchgear and will able to understand basic phenomena of switchgear testing (circuit breaker testing).

Following questions/queries will be solved:
1. What is purpose of Insulation resistance test
2. What is purpose of contact resistance measurement test
3. What is purpose of timing test
4. How to check insulation healthiness
5. How to check ir (insulation resistance) value
6. Why we use DC supply for insulation resistance test
7. What is standard value for insulation resistance test
8. What is breaker contact resistance measurement test
9. Why we conduct breaker contact resistance measurememt test
10. Why contact resistance of breaker should be low ?
11. What we will know by contact resistance measurement test of circuit breaker ?
12. What is procedure/method for breaker contact resistance measurement test ?
13. connection diagram for breaker contact resistance measurement test
14. Which kit is used for breaker contact resistance measurement test ?
15. Test results for breaker contact resistance test
16. Why we check timing of circuit breaker operation ?
17. why circuit breaker poles must operate in synch ?
18. what is procedure/ method for circuit breaker timing test ?
19. Which kit is used for circuit breaker timing test ?
20. connection diagram for circuit breaker timing test
21. Test results for timing test of circuit breaker
22. why closing time is more than opening/tripping time of circuit breaker ?