State four functions of protective system.
Functions of Protective System:
1) To switch ON or OFF the electric power during normal conditions for operation and maintenance.
2) To protect the power system by isolating the faulty parts due to abnormal conditions within shortest possible time.
3) To provide the reliable and continuous supply to consumers.
4) To isolate faulty sections of system only without affecting the healthy sections of system.
5) Constantly monitor the electrical quantities of system so that occurrence of fault should be minimized.
6) To prevent the occurrence of major faults.
7) To ensure maximum safety conditions from generation stage to consumers premises.