C) An armature has resistance of 0.22 at 15 °C and the armature Cu loss is to be limited to 600 watts with a temperature rise of 55 °C. If a, for Cu is 0.0043 /°C, what is the maximum current that can be passed through the armature?

C) An armature has resistance of 0.22 at 15 °C and the armature Cu loss is to be limited to 600 watts with a temperature rise of 55 °C. If a, for Cu is 0.0043 /°C, what is the maximum current that can be passed through the armature?

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter29: Dc Generators

Section: Chapter Questions

Problem 10RQ: What is armature reaction?

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Question

C) An armature has resistance of 0.22 at 15 °C and the armature Cu loss is to be limited to 600 watts with a
temperature rise of 55 °C. If a, for Cu is 0.0043 /°C, what is the maximum current that can be passed
through the armature?

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