Electric Motor Control
10th Edition
ISBN: 9781305177611
Author: Herman
Publisher: Cengage
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Chapter 1, Problem 9SQ
To determine
Choose the correct option that does not represent the considering feature of the speed control of a motor.
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Q2/ An air-filled rectangular waveguide is to be used to transmit signals at a carrier frequency of 6 GHz. Choose its dimensions so that the cutoff frequency of the dominant TE mode is 80% of the carrier frequency 6GHz and that of the TE01 is 70%.
A three-phase half-wave converter in Figure 2
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(d) the rectification efficiency.
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