6. The field windings of a series motor has a resistance of 120 ohms at 15 deg. C. Afterrunning for two hours, the resistance increases to 140 ohms. If the temperature coefficientof the windings at 0 deg. C is 0.004, find the new temperature of the windings.

According to the question we have to find the value of new temperature of winding.

Answered: 6. The field windings of a series motor…

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

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.6P

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6. The field windings of a series motor has a resistance of 120 ohms at 15 deg. C. After running for two hours, the resistance increases to 140 ohms. If the temperature coefficient of the windings at 0 deg. C is 0.004, find the new temperature of the windings.