4. If the copperThe % load at which maximum efficiency occurs isand iron loss of a distribution transformer is 25 kW and 400 kW respectively,[a] 10[b] 15[c] 20@ 25

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Answered: 4. If the copper and iron loss of a…

4. If the copper and iron loss of a distribution transformer is 25 kW and 400 kW respectively, The % load at which maximum efficiency occurs is [a] 10 [b] 15 [c] 20 O 25

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 3.11P: For the transformer in Problem 3.10. The open-circuit test with 11.5 kV applied results in a power...

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