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The figure shows the Nyquist plot of the open-loop transfer function G(s)H(s) of a system. If G(s)H(s) has one right hand pole, then the closed loop system is
  • a)
    always stable
  • b)
    unstable with one closed loop right hand pole
  • c)
    unstable with two closed loop right hand poles
  • d)
    unstable with three closed loop right hand poles
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
The figure shows the Nyquist plot of the open-loop transfer function ...
Z = P - N
N = Net encirclement of (-1 + j0) by Nyquist plot
P = Number of open loop poles in right hand side of s-plane
Z = Number of closed loop poles in right hand side of s-plane
Here, N = 1 and P = 1
Thus, Z = 0
Hence, there are no roots on RH of s-plane and system is always stable.
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The figure shows the Nyquist plot of the open-loop transfer function G(s)H(s) of a system. If G(s)H(s) has one right hand pole, then the closed loop system isa)always stableb)unstable with one closed loop right hand polec)unstable with two closed loop right hand polesd)unstable with three closed loop right hand polesCorrect answer is option 'A'. Can you explain this answer?
Question Description
The figure shows the Nyquist plot of the open-loop transfer function G(s)H(s) of a system. If G(s)H(s) has one right hand pole, then the closed loop system isa)always stableb)unstable with one closed loop right hand polec)unstable with two closed loop right hand polesd)unstable with three closed loop right hand polesCorrect answer is option 'A'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about The figure shows the Nyquist plot of the open-loop transfer function G(s)H(s) of a system. If G(s)H(s) has one right hand pole, then the closed loop system isa)always stableb)unstable with one closed loop right hand polec)unstable with two closed loop right hand polesd)unstable with three closed loop right hand polesCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The figure shows the Nyquist plot of the open-loop transfer function G(s)H(s) of a system. If G(s)H(s) has one right hand pole, then the closed loop system isa)always stableb)unstable with one closed loop right hand polec)unstable with two closed loop right hand polesd)unstable with three closed loop right hand polesCorrect answer is option 'A'. Can you explain this answer?.
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