Power consumed by a balanced 3-phase, 3-wire load is measured by the two wattmeter method. The first wattmeter reads twice that of the second. Then, the load impedance angle in radians is (A) 7/12 (B) a/8 (C) 7/6 (D) ¤/3

Power consumed by a balanced 3-phase, 3-wire load is measured by the two wattmeter method. The first wattmeter reads twice that of the second. Then, the load impedance angle in radians is (A) 7/12 (B) a/8 (C) 7/6 (D) ¤/3

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter7: Alternating Current, Power Distribution, And Voltage Systems

Section: Chapter Questions

Problem 7RQ

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DC Generator

An electromechanical machine which converts input mechanical energy to respective output electric energy is called a generator.

Question

Power consumed by a balanced 3-phase, 3-wire load is measured by the two
wattmeter method. The first wattmeter reads twice that of the second. Then, the
load impedance angle in radians is
(A) 7/12
(B) a/8
(C) 7/6
(D) ¤/3

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