Reduced Switch Single Phase UPQC Topology with Fuzzy Logic Controller
Publish Year: 1395
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
TEDECE02_195
تاریخ نمایه سازی: 21 شهریور 1395
Abstract:
Recently, the increasing application of nonlinear power electronic devices in various fields has led to growth of harmonics generation and current lagging than utility, as twosignificant restrictions. Furthermore, it can also result in power quality difficulties which decrease the total efficiency of the system. By utilizing reduced-switch converters which have less number of circuit elements, the overall cost and power losses of system are reduced and the system's efficiency and reliability areimproved. However, employing a capacitor leg in reduced-switch converters makes it necessary to stabilize DC link. So, the DClink is fixed via a fuzzy controller. The control scheme is designed by fuzzy logic controller in unified power quality conditioner (UPQC) having a half bridge structure. The system modeling is done in MATLAB/SIMULINK and in order to validate theproposed method, a comparison is done with PI controller
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Authors
Younes Farahmand
Department of Electrical Engineering, Islamic Azad University of Tabriz Tabriz, Iran
Roshanak Rezaeipour
Department of Electrical Engineering, Islamic Azad University of Tabriz Tabriz, Iran
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