LOAD FREQUENCY CONTROL OF INTERCONNECTED POWER SYSTEMS V IA LOW-ORDER H∞ LOOP SHAPING CONTROLLER

Sourav Patra, Sidhhartha Sen, and Goshaidas Ray

Keywords

H∞ loop shaping control, static controller, linear matrix inequality (LMI), load frequency control, µanalysis, normalized coprime factorization

Abstract

Low-order H∞ loop shaping load frequency controller based on normalized coprime factorization approach is developed to regulate the frequency deviation of interconnected power systems. Sufficient conditions are given in linear matrix inequality framework for the existence of such controller. The real structured singular value (µ) analysis is performed to show the closed-loop stability against parametric uncertainty. The order of the designed load frequency controller is significantly low compared to full-order controller. A simulation study on two-area interconnected power system is demonstrated showing the effectiveness of the design method.

Important Links:



Go Back