Question: Alternators at Mangla power station are protected through differential protection scheme for dealing with overcurrent. This scheme poses some accuracy problems due to the

Alternators at Mangla power station are protected through differential protection scheme for

Alternators at Mangla power station are protected through differential protection scheme for dealing with overcurrent. This scheme poses some accuracy problems due to the capacitance and impedance introduced by pilot cables. What solution would you recommend for overcurrent protection to overcome this situation?

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Problems and accuracy issue with differential scheme 1There may be a probability of mismatching in cable impedance from CT secondary to the remote rel... View full answer

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