Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Question
Chapter 33, Problem 2SQ
To determine
Explain the function of an electrical interlock in the controlling circuit of Figure 33-1.
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5) The deflecting torque of an ammeter varies as the square of the current flowing through it. If a current of 10
A produces a deflection of 90°, what deflection would occur for a current of 5 A when the instrument is (a)
spring controlled and (b) gravity controlled?
[Ans. (a) 22.5°, (b) 14.5°]
Please solve question no.10 and show a clear and readable solution. Choose the letter of the correct answer.
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Subject: Power Engineering.
Chapter 33 Solutions
Electric Motor Control
Ch. 33 - Prob. 1SQCh. 33 - Prob. 2SQCh. 33 - Prob. 3SQCh. 33 - What is the primary reason for using a compelling...Ch. 33 - What is the purpose of an accelerating relay?Ch. 33 - When is it most important to use decelerating...Ch. 33 - Why are different motor connections shown for what...Ch. 33 - How many windings are required for three-speed...
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