Q. The current zero interruption, in oil and air blast circuit breakers, is achieved by (Solved)
1. lengthening of the gap
2. cooling and blast effect
3. both (a) and (b)
4. deionizing the oil with forced air
- c. both (a) and (b)
1. lengthening of the gap
2. cooling and blast effect
3. both (a) and (b)
4. deionizing the oil with forced air