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Research Paper | Electrical Engineering | India | Volume 3 Issue 4, April 2014

Reactive Power Improvement in Wind Farm by Using UPQC

S. Mohamed Yousuf ^[2] | S. Arthi

Abstract: At present, wind energy generation, utilization and its grid penetration is increased in worldwide. But wind generation is fluctuating due to time varying nature and causing stability problems. This weak interconnection affects the power quality and reliability. In order to improve the power quality in wind farm like voltage sag and swell, Reactive power compensation, voltage regulation by using the power electronics devices such as SVC, STATCOM, SSSC, UPFC etc. ,. FACTS Controllers provide the necessary dynamic reactive power support and the voltage regulation. Even utilizing these controllers in power system, voltage regulation problems are arised at the point of common coupling (PCC). To overcome these problems a compensate technique will be used at PCC. The Custom Power devices technology (CPDT) efficiently regulates all problems in distributed levels. In this project propose a Unified Power Quality Compensator or Conditioner (UPQC) to regulate the Voltage in the WF terminals and to improve reactive power at transmission and distributed from grid side. The internal control strategy is based on the management of active and reactive power in the series and shunt converters of the UPQC, and the exchange of power between converters through UPQC DCLink. MATLAB / SIMULATION results show the effectiveness of the propose compensation strategy for the enhancement of reactive power improvement in Power Quality concept.

Keywords: DFIG, Reactive Power in system, UPQC, UPQC control strategy, Simulation results

Edition: Volume 3 Issue 4, April 2014,

Pages: 403 - 408

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