Consider a system with the following closed loop characteristics polynomial: s+ 6s + 11s?+(K+6)s +Ka (1) Use Ruth stability criteria to find the relation between variables Kand a in order to achieve closed loop stability. (2) With K= 40, what is the range of a for closed loop stability. ( %3D

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 6.45P
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Consider a system with the following closed loop characteristics polynomial:
s + 6s + 11s?+ (K+6)s + Ka
(1) Use Ruth stability criteria to find the relation between variables K and a in order to
achieve closed loop stability.
(2) With K=40, what is the range of a for closed loop stability. ( *
%3D
Transcribed Image Text:Consider a system with the following closed loop characteristics polynomial: s + 6s + 11s?+ (K+6)s + Ka (1) Use Ruth stability criteria to find the relation between variables K and a in order to achieve closed loop stability. (2) With K=40, what is the range of a for closed loop stability. ( * %3D
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