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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.

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.

Power System Analysis and Design (MindTap Course List)
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.9MCQ: Match the following: (i) Hysteresis loss (a) Can be redud by constructing the core with laminated...
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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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