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Why is it preferred to use a wattmeter(s) to measure power
in three phase systems rather than using a combination of
other instruments e.g. voltmeters, ammeters etc?
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Answer Posted / vithal k
by formula one can derive the power through Voltmeter &
Ammeter reading but its impossible to project the power
factor at the time of reading we r taking for both the meter.
| Is This Answer Correct ? | 8 Yes | 1 No |
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