The two-wattmeter method is used. The wattmeter in line A reads 920 W, and the wattmeter

Chapter 12, Problem P12.8-5

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QUESTION:

The two-wattmeter method is used. The wattmeter in line A reads 920 W, and the wattmeter in line C reads 460 W. Find the impedance of the balanced \(\Delta\)-connected load. The circuit is a three-phase 120-V rms system with an abc sequence.

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QUESTION:

The two-wattmeter method is used. The wattmeter in line A reads 920 W, and the wattmeter in line C reads 460 W. Find the impedance of the balanced \(\Delta\)-connected load. The circuit is a three-phase 120-V rms system with an abc sequence.

ANSWER:

Step 1 of 5

Calculating the power factor  as follows,

       

       

       

       

       

       

 

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