Answer to Question #167891 in Electrical Engineering for jim

Question #167891

A 7.5 HP 230 volt three phase motor takes a line current of 18.4 A when operating at

rated output at an efficiency of 88%. Calculate the indications on wattmeters when

these are inserted to measure power (a) by two wattmeter method, (b) by the artificial

neutral method and (c) by the T method.


1
Expert's answer
2021-03-03T02:06:23-0500

the indications on wattmeters = 18.35W


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Comments

stj
03.03.21, 09:38

can you show me a solution?

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