Modeling and Simulation of Static VAR Compensator Controller for Improvement of Voltage Level in Transmission Lines

B.T.RAMAKRISHNA RAO, N.GAYATRI, P.BALAJI, K.SINDHU

Abstract: This paper presents the potential applications of flexible AC transmission system (FACTS) controllers, such as the static VAR compensator (SVC), using the latest technology of power electronic switching devices in the fields of electric power transmission systems with controlling the voltage and power flow, and improving the voltage regulation. The SVC can be used to control the voltage level at a specific bus with the possibility of adding additional damping control. These can effectively dampening oscillations in the power system such as sub synchronous resonances (SSR), inter-area oscillations and power oscillations. A SVC performs such system improvements and benefits by controlling shunt reactive power sources, both capacitive and inductive, with high tech power electronic switching devices. This work is presented to solve the problems of poor dynamic performance and voltage regulation in an 115KV and 230KV transmission system using SVC.

Keywords:  Static VAR compensator (SVC), thyristor controlled reactor (TCR), automatic voltage regulator (AVR), voltage regulation, Simulink.                                                                                      

Title: Modeling and Simulation of Static VAR Compensator Controller for Improvement of Voltage Level in Transmission Lines

Author: B.T.RAMAKRISHNA RAO, N.GAYATRI, P.BALAJI, K.SINDHU

International Journal of Electrical and Electronics Research

ISSN 2348-6988 (online)

Research Publish Journals

Vol. 3, Issue 1, January 2015 - March 2015

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Modeling and Simulation of Static VAR Compensator Controller for Improvement of Voltage Level in Transmission Lines by B.T.RAMAKRISHNA RAO, N.GAYATRI, P.BALAJI, K.SINDHU