A 100KVA, 250 V/200KV feed transformer has resistance and reactance of 1% and 5% respectively. This transformer is used to test a cable at 400 KV at 50 Hz The cable takes a charging current of 0.5A at 400KV. Determine the series inductance required. Assume 1% resistance of inductor. Also determine input voltage to the transformer. Neglect dielectric loss of the cable.

A 100KVA, 250 V/200KV feed transformer has resistance and reactance of 1% and 5% respectively. This transformer is used to test a cable at 400 KV at 50 Hz The cable takes a charging current of 0.5A at 400KV. Determine the series inductance required. Assume 1% resistance of inductor. Also determine input voltage to the transformer. Neglect dielectric loss of the cable.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.63P: A 23/230-kV step-up transformer feeds a three-phase transmission line, which in turn supplies a...

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