Electrical Transformers and Rotating Machines
4th Edition
ISBN: 9781305494817
Author: Stephen L. Herman
Publisher: Cengage Learning
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Textbook Question
Chapter 6, Problem 3RQ
Why should the secondary winding of a CT never be disconnected from its load when there is current flow in the primary?
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Chapter 6 Solutions
Electrical Transformers and Rotating Machines
Ch. 6 - Prob. 1RQCh. 6 - What is the standard current rating for the...Ch. 6 - Why should the secondary winding of a CT never be...Ch. 6 - A current transformer has a ratio of 600:5. If...Ch. 6 - Assume that a primary current of 75 amperes flows...Ch. 6 - What type of core is generally used in the...Ch. 6 - A current transformer has 4 turns of wire in its...Ch. 6 - Prob. 8RQCh. 6 - A CT has a current flow of 80 amperes in its...Ch. 6 - What is the most common use for a CT?
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- What is the standard current rating for the secondary winding of a CT?arrow_forwardA CT has a current flow of 80 amperes in its primary winding and a current of 2 amperes in its secondary winding. What is the ratio of the CT?arrow_forwardWhat is the function of the compensating winding?arrow_forward
- How much current is flowing in the secondary winding?arrow_forwardWhat type of armature winding is generally used for machines designed to operate on low voltage and high current?arrow_forwardWhen a brushless exciter is used, what converts the alternating current produced in the armature winding into direct current before it is supplied to the field winding?arrow_forward
- What type of voltage is produced in all rotating armatures?arrow_forwardA delta connection has 30 A of current flowing through each phase winding. How much current is flowing through each of the lines supplying power to the load?arrow_forwardA wye-connected load has a phase current of 25 A. How much current is flowing through the lines supplying the load?arrow_forward
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