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Review on Power Quality Enhancement Using STATCOM in Induction Motor Drive System

Krishnanandan Kumar1, Abhijeet Patil2, E Vijay Kumar3
1Electrical Engineering, RKDF IST College

2Electrical Engineering, RKDF IST College

Abstract - This work deals with Power quality improvement, Power electronic device used in power systems to regulate voltage and improve Drive System or grid stability by dynamically controlling reactive power flow. A Static Synchronous Compensator (STATCOM) can be used to enhance power quality in induction motor drive systems by mitigating issues like voltage fluctuations, harmonics, and reactive power imbalances. STATCOMs, essentially voltage source converters, inject reactive power into the grid to regulate voltage and improve power factor, leading to better overall power quality. Static Synchronous Compensator (STATCOMs) are shunt-connected devices, meaning they are connected in parallel with the power line. They are part of the broader category of Flexible AC Transmission Systems (FACTS) devices. The application of a STATCOM can help to alleviate some of the power quality issues encountered within a refinery consisting of large induction machine loads. The intent of this paper is to demonstrate the improvements obtained with STATCOM for this purpose and also to evaluate economical benefits obtained with it. First, the paper identifies the power quality and other issues around the refinery in the Southern California Edison system. Computer simulations show that the application of a STATCOM can help the big motor load to survive under the most severe contingencies occurring in the area.

Key Words: STATCOM, Drive System,THD, Induction Motor, Power Quality, Voltage source converter (VSC), Current source converter -(CSC).