Calculate input power factor the line current

Posted on 2014-02-04 13:45:00 in Engineering by ROBERTS_BHALLA

The power input to a 2,000 V, 50Hz, 3-? motor running on full load at an efficiency of 90% is measured by two wattmeter which indicate 300 kw and 100 kw respectively. Calculate (a) input (b) power factor (c) the line current (d) the h.p. output.

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