Interval Type2 Fuzzy Logic Based STATCOM Controller for Stabilizing a Mixed Electrical Network System

Abstract

Adding renewable energy plants to the electrical grid reduces the performance of energy systems. This results in problems including power fluctuations and poor voltage quality. This paper presents an interval type2 fuzzy logic-based controller, consisting of current and voltage regulators, that is applied to a STATCOM to regulate the DC voltage under various operating conditions. a membership functions not used before in this filed have been used to generate IT2FL sets output. The STATCOM has been connect with the high voltage bus bar in order to use one STATCOM for all the loads According to comparative studies, the proposed method outperforms traditional PI and type1 fuzzy logic-based controllers.The simulation has been implemented using MATLAB/SIMULINK software and the results confirm the feasibility of the proposed system.