A 3 phase balanced supply feeds 3 phase unbalanced load. Power supplied to the load can be measured by using 2 wattmeter one wattmeter 3 wattmeter Which of the above statements is correct?
Correct Answer: 1 and 3
Explanation:
A minimum of 2 wattmeters is required to measure 3 phase power. Of course power can be measured by putting one wattmeter in each phase.
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