The rated secondary current of a current transformer is 5 A. The plug setting of a relay is 3 A. The VA burden on the current transformer is 7 VA. What is the power consumption of the relay at this plug setting?

The rated secondary current of a current transformer is 5 A. The plug setting of a relay is 3 A. The VA burden on the current transformer is 7 VA. What is the power consumption of the relay at this plug setting?

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

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter18: Troubleshooting Modern Refrigeration, Heating, And Air-conditioning Control Circuitry And Systems

Section: Chapter Questions

Problem 13RQ

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The rated secondary current of a current transformer is 5 A. The plug setting of a relay is 3 A.
The VA burden on the current transformer is 7 VA. What is the power consumption of the relay
at this plug setting?

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