Electrical Engineering Interview Questions on Switchgear and Protections – 1
1. What is the name of relay used for anti motor protection scheme?
Answer: Reverse Power Relay.
2. In which type of breaker resistance switching is employed?
Answer: Air Blast Circuit Breaker.
3. What is the name of relay used for feeder protection in overhead system?
Answer: Translay Relay.
4. What is the purpose of using series capacitor in a transmission line?
Answer: The purpose of using series capacitor in transmission line is to compensate voltage drop.
5. Which type of circuit breaker is designed for the high operating voltage?
Answer: SF6 Circuit Breaker and Air Blast Circuit Breaker.
6. Which device is used to protect the power system against travelling wave?
Answer: Surge Diverter.