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?
Answers were Sorted based on User's Feedback
Answer / 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 |
Answer / ravikumar.g
The wattmeter is using for find out the power in 3 phase
and single phase in differnet formulas.
In the voltmeter and ammeter reading can also find out the
power to caluculate the formulas.
Is This Answer Correct ? | 0 Yes | 6 No |
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