Рет қаралды 707
STUB Protection is simple overcurrent protection it is used to protect the Power System Transmission Line when the line isolator is in open condition. Stub protection is nothing but a simple Phase over current protection which is used to protect the power system under ring bus or one and half bus configuration when the line isolators are opened. It is basically an in built function of a distance relay. It falls under the auxiliary part of the distance relay.
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