Exam Questions Papers - Engineering

Q1:

When phase-lag compensation is used in a system, then gain cross over frequency, bandwidth and undamped frequency are respectively

A Increased, Increased, Increased

B Increased, Increased, Decreased

C Increased, Decreased, Decreased

D Decreased, Decreased, Decreased

ANS:D - Decreased, Decreased, Decreased

Phase lag is delay between a correcting signal of control system and response to it.