Control of power system oscillations using augmented damping controller

This paper presents an augmented supplementary controller to enhance dynamic stability of power system. In order to achieve satisfactory dynamic characteristic over a wide range of operating condition, speed deviation (/spl Delta/) is taken as input signal to the conventional supplementary controller. This improved supplementary controller uses the conventional supplementary controller in the traditional manner plus an additional feedback signal as a function of the accelerating power and the accelerating torque.