PWM gain in variable frequency

Q.  In variable frequency, PWM gain
- Published on 08 Sep 15

a. Phase lead helps to increase the phase margin of the control loop
b. Phase lag helps to increase the phase margin of the control loop
c. Phase lead helps to decrease the phase margin of the control loop
d. Phase lag helps to decrease the phase margin of the control loop

ANSWER: Phase lead helps to increase the phase margin of the control loop

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