Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Chapter 52, Problem 6SQ
To determine
State the primary reason for the use of a pulley drive.
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Chapter 52 Solutions
Electric Motor Control
Ch. 52 - What are the disadvantages of low-speed, directly...Ch. 52 - What type of AC motor can be directly coupled at...Ch. 52 - What three alignment checks should be made to...Ch. 52 - What special tools, not ordinarily carried by an...Ch. 52 - Prob. 5SQCh. 52 - Prob. 6SQCh. 52 - How tightly should V-belts be adjusted?Ch. 52 - Prob. 8SQCh. 52 - A machine delivered for installation has a 2-inch...
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- Describe the responses of the armature and field currents, speed, and torque during starting. Explain the reason(s) for this behavior.TYPE YOUR ANSWER... SHORT EXPLANATION ONLYarrow_forwardWhat is the effect of saturation on speed and torque?arrow_forwardIn what position do ball-bearing motors function?arrow_forward
- How is the shunt field connected in relation to the armature?arrow_forwardList the probable causes if the armature dos notable release after the magnetic starter is de - energized .arrow_forwardQuestion 12 The following sequential statements, when completed, describe armature reaction in a DC generator. Complete each statement by inserting the appropriate word from among those provided in the word list below. Word list:armature, between, brushes, clockwise, commutator, currents, direction, distortion, increase, induces, inline, interpoles, main-field, neutral-plane, power, rotating, rotation, slip-rings, slow-down, sparking, speed, torque, voltage. Armature reaction is the __________________ of the air gap flux that results from the interaction of the magnetic field created by _________________ in the armature conductors with uniform magnetic field of the __________________ winding. Armature reaction results in pole tip saturation and a shift in the ________________, which lies ________________ the main field poles at no-load. In generators this shift in the neutral plane is in the direction of _________________. The effects of armature reaction can be reduced by equipping…arrow_forward
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