Question

If all the sequence voltages at the fault point in a power system are equal, then the fault is

Answer 1

In double line to ground fault, all the sequence networks are connected in parallel. Therefore, all the sequence voltages at the fault point are equal. ... In double line to ground fault, all the sequence networks are connected in parallel. Therefore, all the sequence voltages at the fault point are equal.

Synchronous generator does not produce any negative sequence voltages. If negative sequence currents flow through the stator windings then the mmf produced will rotate at synchronous speed but in a direction opposite to the rotation of the machine rotor.

Answer 2

Answer:

In double line to ground fault all the sequence networks are connected in parallel. Therefore all the sequence voltages at the fault point are equal.

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