A closed-loop feedback system is shown in following figure R(s) 1 C(s) s(s+1)(s+3) 1+ Ks (1) Find closed-loop transfer function. (2) Determine the range of gain K for which the system is stable? (3) Determine the gain K for which the system is marginally stable and the root s of the characteristic equation of this value of K.

A closed-loop feedback system is shown in following figure R(s) 1 C(s) s(s+1)(s+3) 1+ Ks (1) Find closed-loop transfer function. (2) Determine the range of gain K for which the system is stable? (3) Determine the gain K for which the system is marginally stable and the root s of the characteristic equation of this value of K.

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

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.3P

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