Electric Motor Control
10th Edition
ISBN: 9781305177611
Author: Herman
Publisher: Cengage
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Chapter 57, Problem 6SQ
To determine
Explain the process that takes place when the motor is reversed by reversing the generator polarity.
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Use Mesh Analysis to find the current through the laod resistor R_L. Show all steps;
Find Thevenin Equivalent of the circuit below and the current through the load resistor R_L. Show all steps;
If = 5000 A
actual time IDMT ---R,, Reand R3
The Tsm relays R, and R3
Draw The characteistic relays
time margin between Tsm = 0.5
RCT=500/1
CS-125% TSM = 2
TSM = 0.2
and -0.6
R2 CTS = 500/1
Cs=100%
Tsm=0.4
R3 CTS = 400/1
Cs=125% TSM = 2
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Electric Motor Control
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