Design and Tuning of PID Controller for an Autonomous Power System Using Automatic Voltage Regulator

Abstract

This paper presents the design and performance analysis of proportional integral derivative (PID) controller for the Automatic Voltage Regulator (AVR) system. The superiority of the proposed system is stated in terms of the reduced settling time and maximum peak over shoot. The Automatic Voltage Regulator (AVR) is widely used in electrical power system to obtain the stability and good regulation. The characteristics of alternator output required power transfer at constant voltage and constant current. The Automatic Voltage Regulator maintains the constant voltage up to certain level of load current independently of generator speed and load. Here by the extension of AVR in the Autonomous Power System we can get a better response when a controller is involved. The alternative source taken here is a diesel engine which is used to make the study simpler because the all non-conventional sources have some limitation and studying the system with those limitations would make the work more complex.