Study of Over-Current Relay and Effect of PSM and TSM
1. The pick up value of relay is 7.5 A and fault current in relay coil is 30 A. Its plug setting multiplier is-
2. Induction relays are used with-
3. In merz-price protection, the CT secondary of delta - star transformer is connected in-
4. The number of pilot wires required for protecting 3-phase transmission line using transley system of protection is-
5. The least expensive overcurrent protection for LV system is-