The transfer function of phase lead compensator is given by G(s) = (1+TS) / (1 + α TS) , where, T > 0, α < 0.
What is the maximum phase shift provided by this compensator ?
A. sin-1((1 - α)/(1 + α)
B. cos-1((1 - α)/(1 + α)
C. tan-1((1 - α)/(2√α)
D. both A and C
Show Answer
Answer: D
Share your understanding of this question with the correct explanation.