24. A transformer has a core loss of 160 watts when its primary is connected to a 230- volt 60-cycle source. When the transformer is served by a 40-cycle supply, the impressed voltage is reduced to 4%o of 230 volts, or 153 volts, to maiatain the Bame flux density as on 60 cycles; under this condition the core loss was found to be 96 watts. Calculate the 60-cycle hysteresis and eddy-current loases.

24. A transformer has a core loss of 160 watts when its primary is connected to a 230- volt 60-cycle source. When the transformer is served by a 40-cycle supply, the impressed voltage is reduced to 4%o of 230 volts, or 153 volts, to maiatain the Bame flux density as on 60 cycles; under this condition the core loss was found to be 96 watts. Calculate the 60-cycle hysteresis and eddy-current loases.

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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