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다중브리지로 구성된 UPQC(Unified Power Quality Conditioner)의 동적 성능분석
韓炳文(Byung-Moon Han),蘇龍哲(Yong-Cheol Soh),金顯宇(Hyun-Woo Kim) 대한전기학회 2006 전기학회논문지 P Vol.55 No.2
This paper describes experimental analysis of UPQC, which is composed of cascaded H-bridges and single-phase multi-winding transformers. The operational characteristic was analyzed through experimental works with a scaled model, and simulations with PSCAD/EMTDC. The UPQC proposed in this paper can be directly connected to the distribution line without series injection transformers. It has flexibility to expand the operation voltage by increasing the number of H-bridge modules. The analysis results can be utilized to design the actual UPQC system applicable for the actual distribution system.
誘導電動機의 驅動을 위한 負荷轉流型 인버터에 관한 硏究
소용철,이우춘,정연택 明知大學校 産業技術硏究所 1991 産業技術硏究所論文集 Vol.10 No.-
Investigation of the driving range of the induction motor which is operated by using a load commutated inverter has been carried out in this paper. It is shown that capacitance of the commutation capacitor can be reduced by the forced-com-mutation driving up to a half range of normal frequency in the low frequency in the low frequency range when to start the motor drive.