Assertion (A): One watt meter method of three-phase power measurement is used for balanced loads only. Reason (R): In one-watt meter method of three phase power measurement, the total three phase power = Wattmeter reading. Choose the correct answer from the following.  a. Both A and R are true but R is not correct explanation of A b. A is false R is true c. A is true R is false

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 3.33P: Consider the three single-phase two-winding transformers shown in Figure 3.37. The high-voltage...
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Assertion (A): One watt meter method of three-phase power measurement is used for balanced loads only.

Reason (R): In one-watt meter method of three phase power measurement, the total three phase power = Wattmeter reading.

Choose the correct answer from the following. 

a.

Both A and R are true but R is not correct explanation of A

b.

A is false R is true

c.

A is true R is false

d.

Both A and R are true and R is correct explanation of A

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