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M.Tech / M.E / PhD Thesis | Electrical Engineering | India | Volume 5 Issue 7, July 2016

Voltage Regulation of Transmission Line Using Adaptive PI Control of STATCOM

Geeta Pande ^[3] | S. N. Chaphekar

Abstract: Power systems are continuously subject to unpredictable and sudden operating point variations Due to this the receiving end voltage decreases well below its normal value and affect power quality. Voltage stability is a critical consideration in improving the security and reliability of power systems. The static compensator (STATCOM), a device for reactive power control based on gate turnoff (GTO) thyristors, has gained much interest because of its its quicker response. The control parameters or gains play a key factor in STATCOM performance. In the adaptive PI (Proportional-Integral) control of STATCOM for voltage regulation, PI control parameters can be self-adjusted automatically and dynamically under different disturbances in a power system. Thus this control method can ensure a quick and consistent desired response. A simulink model of Adaptive Proportional Integral control of STATCOM has been taken for the analysis using simulation in MATLAB software.

Keywords: Adaptive control, proportional-integral PI control, STATCOM, GTO, voltage stability

Edition: Volume 5 Issue 7, July 2016,

Pages: 615 - 622

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