4. The input power to a 3-phase induction motor running without a load is measured by a two wattmeter method. One wattmeter reads -220 W and the other reads 940 W. Find the no-load power factor of the motor.

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ISBN:9780133923605
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Publisher:Robert L. Boylestad
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Answer the following problems in a short/long bond paper size. Round off your answer up to 2
decimals, if applicable. Show your complete solution and box your final answer.
You may not copy the problem.
TWroperly connected wattmatareete measure the power
sqre -
currentra OTO
foder ried MO ine balamad loade
a eDetnoui
second-load. W=90 KAA
ota
kVA load on the feeder
WO-Wa
4. The input power to a 3-phase induction motor running without a load is measured by a
two wattmeter method. One wattmeter reads -220 W and the other reads 940 W. Find
the no-load power factor of the motor.
Transcribed Image Text:Answer the following problems in a short/long bond paper size. Round off your answer up to 2 decimals, if applicable. Show your complete solution and box your final answer. You may not copy the problem. TWroperly connected wattmatareete measure the power sqre - currentra OTO foder ried MO ine balamad loade a eDetnoui second-load. W=90 KAA ota kVA load on the feeder WO-Wa 4. The input power to a 3-phase induction motor running without a load is measured by a two wattmeter method. One wattmeter reads -220 W and the other reads 940 W. Find the no-load power factor of the motor.
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