Power quality improvement using STS and DVR in wind energy system
Publish place: 3rd International Conference on Electrical Engineering
Publish Year: 1397
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICELE03_478
تاریخ نمایه سازی: 18 اسفند 1397
Abstract:
Recently, renewable energy has attracted special interest because it seems to be a positivealternative to fossil fuels. European countries, in particular, and many other developedcountries in the world have been in search of utilizing wind energy in order to meet theneed for energy. The purpose of this study is the utilization of the wind energy in a saferand more quality way. Two systems were suggested for increasing the quality of the windenergy. In the first system, the wind energy and the grid were connected in parallel with thehelp of static transfer switch (STS), and if the wind energy is cut, the load will besupported by the alternative feeder. In the second system, dynamic voltage restorer (DVR)was connected to wind energy system (WES). The intention is, with the help of DVRsystem, preventing the fluctuations that might happen in the energy that is produced, due tothe variations of wind speed. Both system circuits that are suggested have been created inPSCAD/EMTDC program and the reactions of the circuits in the situation of an error wasanalyzed in detail. The operation principles of STS and DVR have been explained in detailand then the simulation results have been comprehensively investigated withPSCAD/EMTDC program. The aim of the developed systems is to maintain the powercontinuity and improve the power quality. Different fault types were applied to theproposed systems and the system responses for these disturbances were examined.
Keywords:
Renewable energy- Wind energy- STS- DVR- Power quality
Authors
Roasoul Soltani Sadagiyani
Department of Electrical Engineering,meraj institute of higher education,salmas,iran