Calculate the percentage error for a wattmeter which is so connected that the current coil is on the load side, The wattmeter has a current coil of 0.0302 resistance and a pressure coil of 60000 resistance. It is also known that the load takes 20 A at a voltage of 220 V and 0.6 power factor.
Calculate the percentage error for a wattmeter which is so connected that the current coil is on the load side, The wattmeter has a current coil of 0.0302 resistance and a pressure coil of 60000 resistance. It is also known that the load takes 20 A at a voltage of 220 V and 0.6 power factor.
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter26: Three-phase Circuits
Section: Chapter Questions
Problem 3PA: You are an electrician working in an industrial plant. A 30-hp three-phase induction motor has a...
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