After making connection of a wattmeter it is noticed that the pointer is deflecting on reverse direction. What is the reason and what to do correct the deflection?
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Answer:
Either the voltage coil connections are wrong or current coil connections are wrong.
Explanation:
if watt meter pointer is deflecting in revers direction the main reason can be one of them
1. voltage coil connection are wrong
2.current coil connection are wrong
to rectify this situation we have to revert the connection of one of the coil. and the best practice is to interchange the voltage coil connection to make the deflection right because its always safe. it will correct the direction of coil current which is deflection the pointer.
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