Electronics and Communication Engineering - Automatic Control Systems - Discussion

Discussion Forum : Automatic Control Systems - Section 2 (Q.No. 27)
27.
The maximum shift which can be provided by a lead compensator with transfer function is
15°
30°
45°
60°
Answer: Option
Explanation:

The maximum phase lead is given by

In this case a = 1/3. Hence sin Φm = = 0.5 or Φm = 30°.

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