Questions:- 1. What happen when the two transformers are operated in parallel having un equal turn's ratio. 2. Why polarity checking is necessary for the parallel operation of single phase transformer. 3. Why the percentage impedance drop of the transformers are kept equal during the parallel operation of the same. 4. Plot cos, and cosP2 against load current for both cases.
Questions:- 1. What happen when the two transformers are operated in parallel having un equal turn's ratio. 2. Why polarity checking is necessary for the parallel operation of single phase transformer. 3. Why the percentage impedance drop of the transformers are kept equal during the parallel operation of the same. 4. Plot cos, and cosP2 against load current for both cases.
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 3.34P: Three single-phase, two-winding transformers, each rated 450MVA,20kV/288.7kV, with leakage reactance...
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