Q3) The meter constant of 5A, 220 V, d.c. watt-hour meter is 3275 revolutions per kwh. In a test run at half load, the meter takes 59.5 seconds to complete 30 revolutions. Calculate the error of meter.

Q3) The meter constant of 5A, 220 V, d.c. watt-hour meter is 3275 revolutions per kwh. In a test run at half load, the meter takes 59.5 seconds to complete 30 revolutions. Calculate the error of meter.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter9: Measuring Instruments

Section: Chapter Questions

Problem 1RQ: To what is the turning force of a dArsonval meter movement proportional?

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Q3) The meter constant of 5A, 220 V, d.c. watt-hour meter is 3275 revolutions per
kwh. In a test run at half load, the meter takes 59.5 seconds to complete 30
revolutions. Calculate the error of meter.

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