Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Chapter 1, Problem 4SQ
To determine
Describe about the devices that are used to control motor automatically.
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- One of the following is used to control the speed of the motor. O a. Varying field voltage O b. Varying supply voltage. O c. Varying armature resistance O d. Varying supply currentarrow_forward22) What type of conversion is happening in a DC Motor. a. DC electrical energy to mechanical energy b. AC electrical energy to mechanical energy c. Mechanical to AC Electrical Energy d. Mechanical to DC Electrical Energyarrow_forwardA motor will undergo three major conditions throughout its operation. State and explain what takes place for each of these conditions.arrow_forward
- Why do you think some motor control circuit utilizes single voltage sources for control and power circuit? Explain.arrow_forwardExplain how does the current will be reduced during the starting of the motor.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_forward
- Identify the DC motor that can be used in Electric Tractionarrow_forwardOne of the following is used to control the speed of the motor. O a. Varying field voltage O b. Varying supply voltage. O. Varying supply current O d. Varying armature resistancearrow_forwardExplain briefly the AC, DC and Universal motors.arrow_forward
- Simulate in tinkercad. Create a program that controls the direction of rotation of a DC motor. Use a button switch to toggle between the forward and reverse rotation of the DC motor.arrow_forwardYour Answers may be presented through Discussions, Drawings/Figures/Diagrams, Reference to NEC/PEC and Computations. 1. What is the full-load current of a 500-volt, DC, 20-horsepower motor?arrow_forwardBy looking at which part of the motor, it can be easily confirmed that a particular motor is a DC motor? (A) Frame (B) Shaft (C) Commutator (D) Stator (E) None of the above.arrow_forward
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