5. Three non-inductive resistances, each of 100 ohms are connected in star to 3 phase, 440 V supply. Three equal choking coils each of reactance 100 ohms are also connected in delta to the same supply. Calculate (a) line current and (b) power factor of the system

5. Three non-inductive resistances, each of 100 ohms are connected in star to 3 phase, 440 V supply. Three equal choking coils each of reactance 100 ohms are also connected in delta to the same supply. Calculate (a) line current and (b) power factor of the system

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter28: Three-phase Transformers

Section: Chapter Questions

Problem 2PA

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5. Three non-inductive resistances, each of 100 ohms are connected in star to 3 phase, 440 V supply.
Three equal choking coils each of reactance 100 ohms are also connected in delta to the same
supply. Calculate (a) line current and (b) power factor of the system

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