Tag: #ekelectricaldec2021q11

  • EK Electrical Dec 2021 (Q11)

    EK Electrical Dec 2021 (Q11)

    (a) Explain, with the aid of a sketch, the principle of operation of an earth leakage detection system of the instrument type (6) (b) Explain why an insulated neutral system is used extensively on board ships (2) (c) State, with reasons, why a single earth fault on an insulated neutral system should always be cleared…