Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Chapter 1, Problem 5SQ
To determine
Choose the best option that represents the general purpose of motor control.
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- Why do you think some motor control circuit utilizes single voltage sources for control and power circuit? Explain.arrow_forward25. Which of the following is/are a general method of starting squirrel-cage motors'? a) full voltage starting b) reduced voltage starting c) both "a" and "b" d) neither "a" nor "b"arrow_forwardBy drawing a general control block diagram for an electric motor, Explain the basics of motor control. please write it with computer to get what you will write thanks alotarrow_forward
- Explain the characteristics and how the following motor starters work. 1.Slip Ring a. Variable Resistance b. Fixed Starting Resistancearrow_forward3) A In which of the following application DC series motor is used: A. Centrifugal Pump B. Motor Operation in DC and AC C. Water pump drive D. Starter for car E. All abovearrow_forward3.a. Which one of the following motor types uses permanent magnets in the armature or rotor?A. Stepper motorB. PM motorC. Pancake motorD. PM servo motor3.b. A type of resistance device that can be placed in a DC motor circuit and varied to limit the speed of amotor is called aA. power resistor.B. rheostat.C. potentiometer.D. variable reluctor.arrow_forward
- Motors have many uses. Describe a motor you have experience with. What is it being used for, what power source it uses, and possibly it’s configuration. Explain why you picked this motor and if you have/need to perform(ed) any maintenance on it.arrow_forwardState the correct terminology used to describe each of the following 1.the current drawn by a motor at standstill with the rate voltage and frequency applied. 2.the twisting or turning force of a motor . 3.the deference in speed between the motion and the rotation of the rotor shaft. 4.a device that provides and adjustable time period to perform a function.arrow_forwardPlease Solve and Explanation with Proper Hand written.arrow_forward
- Please answer the 4 question in the photo quickly and correctlyarrow_forward14.a. Jogging a motor is accomplished byA. manually turning its shaft.B. reducing its armature current.C. momentarily energizing the starter.D. blocking the motor from rotating.14.b. How does change in resistance affect the speed of a DC motor?A. Increasing the armature resistance decreases the motor's speed.B. Reducing the field resistance increases the motor's speed.C. Increasing the field resistance decreases the motor's speed.D. Reducing the armature resistance decreases the motor's speed.arrow_forwardPlease Solve within 20 minutes properly hand written.arrow_forward
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