20. Which one of the following conditions tends to demagnetize the core of a current transformer? A. Passing alternating current through the windings B. Breaking the circuit while load current is flowing C. Opening the primary at the peak of the cycle at heavy load D. Large overloads of short duration on the primary

20. Which one of the following conditions tends to demagnetize the core of a current transformer? A. Passing alternating current through the windings B. Breaking the circuit while load current is flowing C. Opening the primary at the peak of the cycle at heavy load D. Large overloads of short duration on the primary

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 3.9P

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talk about coreless transformer