Electrical Engineering Multiple Choice Question on Power System Protection
Which of following belongs to instantaneous relay class:
- Induction type
- Permanent magnet moving coil type
- Shaded pole type
- Thermocouple type
Correct answer: 2. Permanent magnet moving coil type
Explanation:
The electrical relay is an electrical device that detects the electrical fault and initiates the operation of the circuit breaker to isolate the defective components from the power system.
Also see: 20 Different Types of Relays
More MCQs on Power System Protection:
- Power System Protection MCQs Part 1
- Power System Protection MCQs Part 2
- Power System Protection MCQs Part 3
- Power System Protection MCQs Part 4
- Power System Protection MCQs Part 5
- Power System Protection MCQs Part 6
- Power System Protection MCQs Part 7
- Power System Protection MCQs Part 8
- Power System Protection MCQs Part 9
- Power System Protection MCQs Part 10