ETO – ETO – Section 1 : 2018/AUG/03 – 2018/OCT/03 – 2018/NOV/02 – 2019/JAN/01 – 2019/APR/01 – 2020/OCT/04 – 2021/MAR/03 – 2021/APR/10 – 2021/NOV/04 – 2022/MAR/02
Question
Q2. With Respect to Insulated and Earthed Neutral Systems used on board:
a) Discuss the Advantages and Disadvantages of both Insulated and Earthed Systems used on board. (8)
b) Discuss the consequences of earth fault in an earthed distribution system. (4)
c) What would be the Ohmic value of the NER to limit the earth fault to the full load rating of a 2 MW, 0.8 pf, 3.3KV, 3Phase A.C. generator? (4)
Asked in Year/Month/Ques No.
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