2. Explain the reason behind of the rapid increasing in the generator voltage when the excitation circuit is closed while keeping the excitation rheostat at a fixed value ?
2. Explain the reason behind of the rapid increasing in the generator voltage when the excitation circuit is closed while keeping the excitation rheostat at a fixed value ?
Electrical Transformers and Rotating Machines
4th Edition
ISBN:9781305494817
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter11: Transformer Cooling
Section: Chapter Questions
Problem 4RQ: What is a way to increase cooling on a large dry-type transformer used in a unit substation?
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