Find the range of K using Routh criterion such that all the roots of the characteristic equation lie between -1 and -2 s^3+8s^2+15s+K Also find the value of K for which system is limitedly stable?

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 6.12P
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Find the range of K using Routh criterion such that all the roots of the characteristic equation lie between -1 and -2

s^3+8s^2+15s+K

Also find the value of K for which system is limitedly stable?

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