Tag: #ekelectricaloct2023q9

  • EK Electrical Oct 2023 (Q9)

    EK Electrical Oct 2023 (Q9)

    With reference to reverse power protection for a.c generator operating in parallel (a) Explain why traditional reverse power relays, operating on mechanical principles, have been replaced by electronic digital microprocessor types (2) (b) Describe, with the aid of a sketch, a generator reverse power protection circuit that uses an electronic phase sensitive detector (8) Oct…