Q1: which of these statements are True and which 1 1. Without the knowledge of the ROC, there is no unique relationship between a sequence and its z-transform. $ 2. The gain margin is the change in closed-loop gain, expressed in decibels (dB), required at 180 o of phase shift to make the closed- loop system unstable. 3. The phase margin is the change in open-loop phase shift, required at unity gain to make the closed-loop system unstable. only if its imnulse

Q1: which of these statements are True and which 1 1. Without the knowledge of the ROC, there is no unique relationship between a sequence and its z-transform. $ 2. The gain margin is the change in closed-loop gain, expressed in decibels (dB), required at 180 o of phase shift to make the closed- loop system unstable. 3. The phase margin is the change in open-loop phase shift, required at unity gain to make the closed-loop system unstable. only if its imnulse

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter6: Power Flows

Section: Chapter Questions

Problem 6.16P

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