It is always desirable that the continuation of power flow through the lines should not be interrupted for a long time. The faults on overhead lines can be transient or permanent. Since some transient faults get cleared automatically and do not require any attempt for fault rectification. Hence the relay auto-recloser, upon clearance its fault, closes the breaker after it has been opened due to the fault.
Fault Types:
The type of faults occurs in the network are;
Transient faults
Semi Transient Faults
Permanent Faults.
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