A 3-phase star connected system has an earthing resistance of 250. Calculate the equivalent zero sequence resistance of this earthing resistor. Please type your answer in the unit of 2 but do not include units in your answer.

A 3-phase star connected system has an earthing resistance of 250. Calculate the equivalent zero sequence resistance of this earthing resistor. Please type your answer in the unit of 2 but do not include units in your answer.

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 19RQ

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A 3-phase star connected system has an earthing resistance of 250. Calculate the equivalent zero sequence resistance of this earthing resistor. Please type your answer in the unit of 2 but do not include units in
your answer.

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