Three star-connected equal inductors take 5 kW at 0.7 pf when connected to a 400 V, 50 Hz three-phase three-wire balanced supply. Calculate the line currents when, i) all inductors are properly connected ii) if one of the inductors is disconnected and iii) if one of the inductors is short circuited.

Three star-connected equal inductors take 5 kW at 0.7 pf when connected to a 400 V, 50 Hz three-phase three-wire balanced supply. Calculate the line currents when, i) all inductors are properly connected ii) if one of the inductors is disconnected and iii) if one of the inductors is short circuited.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter25: Surge, Spike, And Lightning Protection

Section: Chapter Questions

Problem 10RQ: In reference to the load, how are capacitors connected to help prevent voltage spikes and surges?...

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