Academics – Electro-Technology : 2020/JUL/04
Question
Q4) An electric load of 800 kW is operating at a power factor of 0.7 lagging. It is desired to improve the power factor to 0.92 lagging by connecting a synchronous motor driving a load of 200 kW with an efficiency of 91 %.
Determine EACH of the following:
(a) the kVA rating of the synchronous motor; (13)
(b) the power factor of the synchronous motor. (3)
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