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MEO Class II – MET : 2011/FEB/08 – 2011/AUG/08 – 2018/AUG/09 – 2018/NOV/08 – 2018/DEC/08 – 2022/APR/09 – 2023/APR/08 – 2024/JUL/08
Question
Q9. A. Show how the power that is transferred across the air gap of the three-phase induction motor is represented. Explain the terms. What portion of this is useful power?
B. A 440 load of 400 KW at 0.8 (lagging) power factor is jointly supplied by two alternator A and B. The KW load on A is 150 KW and the KVAr load on B is 150 KVAr (lagging). Determine the KW load on B, the KVAr load on A, the power factor of operation on each machine and the current loading of each machine.
Asked in Year/Month/Ques No.