MODELLING AND TIME DOMAIN ANALYSIS OF SYNCHRONOUS MACHINE WITH FUZZY BASED AVR

ABSTRACT An Automatic Voltage Regulator (AVR) is crucial for maintaining the output voltage of generators within acceptable limits, ensuring the stability and efficiency of power systems. Traditional AVR systems often rely on linear control methods, which may not perform optimally under varying load conditions and nonlinearities. This paper explores the implementation of a Fuzzy Logic Controller (FLC) in an AVR system to enhance its performance and robustness. The FLC-based AVR aims to handle non-linearities and provide better transient and steady-state performance compared to conventional controllers. The Fuzzy Logic Controller is expected to demonstrate superior performance in handling nonlinearities and varying load conditions. Key improvements may include reduced overshoot, faster settling time, and improved voltage stability under transient conditions. In this paper, Performance of AVR is enhanced with FLC and compared with PI Controller. It is proven that fuzzy controller based synchronous generator works better than PID based system Key words: Synchronous machine, Modelling,Time domain analysis, FLC, AVR