A transformer rated at a maximum of 25kVA supplies a 12kW load at power factor 0.60 lagging. a) What percent of the transformer rating does this load represent? b) How many kW in additional load may be added at unity power factor before the transformer exceeds its rated kVA? c) Draw the power triangle before and after the additional load.
A transformer rated at a maximum of 25kVA supplies a 12kW load at power factor 0.60 lagging. a) What percent of the transformer rating does this load represent? b) How many kW in additional load may be added at unity power factor before the transformer exceeds its rated kVA? c) Draw the power triangle before and after the additional load.
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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