Q1) The equivalent low-side parameters of a 250kVA, 4160 - 480V, 60 = = 0.0433 9. The Hz transformer are Req,LS 0.00920 and Xeq, LS transformer is operated in the step-down mode and is delivering rated current at rated voltage to a 0.840 power-factor lagging load. Determine: the no-load voltage, the actual input voltage on the high-side, the high- side current, the input impedance, and the voltage regulation.

Q1) The equivalent low-side parameters of a 250kVA, 4160 - 480V, 60 = = 0.0433 9. The Hz transformer are Req,LS 0.00920 and Xeq, LS transformer is operated in the step-down mode and is delivering rated current at rated voltage to a 0.840 power-factor lagging load. Determine: the no-load voltage, the actual input voltage on the high-side, the high- side current, the input impedance, and the voltage regulation.

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 3.58P: A single-phase two-winding transformer rated 90MVA,80/120kV is to be connected as an autotransformer...

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