Electrical Engineering MCQs on Power System Protection
Contents
- 1 Routine tests are conducted on
- 2 Circuit breakers generally operate
- 3 The property that can be neglected in case of a short line
- 4 The devices that will receive voltage surge first travelling on the transmission line
- 5 When a wave propagates on a transmission line, it suffers reflection several times at
Routine tests are conducted on
Routine tests are conducted on
- Air blast circuit breakers
- Minimum oil circuit breakers
- Oil circuit breakers
- All of these
Correct answer: 4. All of these
Circuit breakers generally operate
Circuit breakers generally operate
- After DC Component has ceased
- Under steady state of short-circuit current
- Under sub-transient state of short-circuit current
- Under transient state of short-circuit current
Correct answer: 4. Under transient state of short-circuit current
The property that can be neglected in case of a short line
The property that can be neglected in case of a short line
- Capacitance
- Inductance
- Reactance
- Resistance
Correct answer: 1. Capacitance
The devices that will receive voltage surge first travelling on the transmission line
The devices that will receive voltage surge first travelling on the transmission line
- Lightning arresters
- Relays
- Step-down transformer
- Switchgear
Correct answer: 1. Lightning arresters
When a wave propagates on a transmission line, it suffers reflection several times at
When a wave propagates on a transmission line, it suffers reflection several times at
- Load end
- Sending and other end
- Sending end
- Tapping
Correct answer: 2. Sending and other end