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소형 근거리 이동용 전기자동차(NEV)용 10㎾급 BLAC 구동인버터 개발
이용균(Y.K LEE),김은경(E.K KIM),김선일(S.I KIM),홍찬희(C.H Hong),방량(Liang Fang),목형수(H.S Mok) 전력전자학회 2011 전력전자학술대회 논문집 Vol.2011 No.7
This paper deals with 10㎾ BLAC drive inverter for neighborhood electric vehicle. First it introduces about hardware structure of inverter driven using 72volts battery. Then it explains motor control algorithm. Also performance of BLAC drive system is confirmed through experiments.
팔당호 상류 유입하천의 수질 및 식물플랑크톤 분포 패턴
박혜경 ( H. K. Park ),변명섭 ( M. S. Byeon ),김은경 ( E. K. Kim ),이현주 ( H. J. Lee ),전명진 ( M. J. Chun ),정동일 ( D. I. Jung ) 한국물환경학회 2004 한국물환경학회지 Vol.20 No.6
The distribution pattern of water quality parameters and phytoplankton biomass in upper inflow rivers of lake Paldang had surveyed. In North-Han river system, nutrient concentrations and algal biomass was below the standard of mesoand oligotrophy from lake Soyang to lake Paldang, maintaining good water quality, except the N5 site located near the Chuncheon-Si, showing high nutrients concentrations and algal biomass. The algal biomass of the South-Han river system showed oligotrophic level in the upstream near the lake Chungju, and increased along the flow direction showing eutrophic level in the downstream within the lake Paldang area. On the other hand, the highest concentrations of nutrients were detected in the middle stream near the Yeoju-Si and Yangpyung-Gun rather than in the downstream suggesting algal biomass in lake Paldang would not come from the upper river area but come from the growth within the lake area using nutrients from the upper inflow river.