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50kW급 계통연계형 태양광발전시스템의 시뮬레이터 구현
정병호,박정민,조금배,백형래,정수복,Jeong, Byeong-Ho,Park, Jeong-Min,Cho, Geum-Bae,Baek, Hyung-Lae,Chung, Soo-Bok 한국태양에너지학회 2005 한국태양에너지학회 논문집 Vol.25 No.4
This paper summarizes the results of these efforts by offering a photovoltaic system structure in 50kW middle scale applications installed in Cho-sun University dormitory roof. The combination of photovoltaic system components are interconnected and system monitoring system will be summarized for the purpose of the increasing safety in this article. This paper describes configuration of utility interactive photovoltaic system which generated electric power supplies to dormitory. In order to installing the middle or large scale photovoltaic system, It must investigated the optimal design of system, compute quantity of power generation, economic rate of return and so on. In this paper represent 50kW utility photovoltaic system examination and developed simulation results. The performance of photovoltaic system has been evaluated and analyzed with simulation. The results obtained in this research will be much useful to prior investigation for installing utility interactive photovoltaic system.
주거특성이 주거만족도와 주거가치관에 미치는 영향에 관한 연구
정병호(Jeong, Byeong-Ho),정재호(Chung, Jae-ho) 한국부동산학회 2015 不動産學報 Vol.63 No.-
2012년 국토교통부의 <주거실태조사 통계조사표>에 있는 현 주택의 거주특성 등 6개의 조사항목과 유형 및 점유특성 등 11개의 주거특성 세부항목에서 전반적인 주거만족도와 10개의 주거가치관 항목을 통계조사 연구 대상으로 하여 기존 연구와 차별화하였다. 주거특성이 주거만족도와 주거가치관에, 매월 주거비부담정도를 매개변수로 하여 주거만족도와 주거가치관에 미치는 영향을 미치는지를 AMOS 구조방정식 모형을 이용하여 분석하였다. 분석결과 주거특성항목과 매월 주거비부담이 주거만족도와 주거가치관에 영향을 미치는 것으로 나타났다. 1. CONTENTS (1) RESEARCH OBJECTIVES We study how residential properties impact on residential satisfaction and housing values. Furthermore we research the effect of residential satisfaction and residential housing values with monthly housing costs and burdens as control variable (2) RESEARCH METHOD This research used the statistics of <Residential condition survey statistical research chart> in 2012 in order to empirically analyzed the effect of the residential satisfaction on the residential values. In this study, The results were computerized by SPSS 18.0 system and the variance analysis, reliability analysis, factor analysis were conducted and were researched as the picture by the regression analysis and AMOS structure equation model. (3) RESEARCH FINDINGS The First, it was revealed 4 residential satisfaction factors influenced 10 items such as housing possession awareness of residential values, current rental level, building of compact housing, expansion of public rental house supply, housing supply, housing investment, apartment preference, monthly rent preference, housing price prospect, and lease/monthly rent prospect. Second, as a result of regression analysis, it was revealed to be significant in 10 residential values items all. Third, as a result of the structure equation model analysis, it was revealed the residential satisfaction items significantly affected the residential values. It was revealed that the residential satisfaction had an effect on the residential values following the residential awareness. 2. RESULTS As a result of this study's analysis, it was revealed the satisfaction following the residential awareness influenced the residential values which improved the quality of life on the housing. As the social, economic, and environmental factors change, people consider the housing as the use concept from the possession concept. As the values of housing consumers change who require the low fertility, aging, prospect right, natural landscape, and right to sunshine, the residential environment should be created that can meet the housing consumers' needs such as compact housing building, supply of public rental house, traffic/cultural environment, educational environment, surrounding environment, parking, and cleaning.
정병호(Byeong-Ho Jeong),윤상진(Sang-Jin Yeon),정병수(Byeong-Soo Jung),정용호(Yong-Ho Chung),이강연(Kang-Yeon Lee) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
집광형 태양전지는 1970년대 초반부터 연구가 시작되었지만 실리콘 태양전지는 20배 이상 집광 시 효율이 급격히 감소하는 문제로 인하여 고배율 집광이 어려워 현실적 적용의 문제가 발생하였다. 특히, 실리콘 계열의 태양전지는 열화현상 때문에 최대 전기생산 효율이 18% 이하가 된다. 따라서 실리콘을 소량 사용하는 박막형이나, 실리콘재료가 필요 없는 화합물 계열의 태양전지 개발을 추진하여 집광형 태양전지를 개발하였으며 이에 따른 상당한 기술개발이 이루어진 상태이다. 집광형 태양전지를 적용한 태양광발전시스템은 주로 우주공간에서 위성의 전원이나 사막지형에서 적용되어 실증실험과 타당성을 연구하고 있으나 최근 지구 온난화로 다양한 지역에서 실현 가능성이 제시되고 있다. 이러한 기술동향에 따라 국내 기후특성에 적합한 CPV모듈을 제작하기 위해 여러 가지 보호대책과 제작공정상의 기능적인 보완이 요구된다. 본 논문에서는 국내 환경에 적합한 CPV제작기술을 목표로 다양한 모듈화공정기술을 바탕으로 제작된 시제품으로 발전성능분석을 수행하였다.
농업기반시설 재해예방대책의 문제점과 개선방안 - 태풍 "매미"로 인한 경남지역 피해 사례 중심으로 -
엄대호 ( Um Dae Ho ),김채수 ( Kim Chae Soo ),정병호 ( Chung Byeong Ho ),김태철 ( Kim Tai Cheol ),김대식 ( Kim Dae Sik ),한경수 ( Han Kyung Soo ),전택기 ( Jun Teak Ki ) 한국농공학회 2003 한국농공학회 학술대회초록집 Vol.2003 No.-
In this study we propose the improvement countermeasure of disaster prevention by analyzing the damage cause and issue point from examination by Typhoon "maemi" in Kyongsangnamdo region. The main damage cause by Typhoon "maemi" in this region is the rising of water level in river and the overflowing of bank. The basic countermeasure is executing the disaster policy enforcement for the improvement of agriculture infrastructure facilities.
무증상 원발성 막성 신병증에 병발한 반월상 사구체 신염 1례
조아진 ( A Jin Cho ),이진희 ( Jin Hee Lee ),정병호 ( Byeong Ho Jeong ),정승민 ( Seung Min Chung ),이정은 ( Jung Eun Lee ),권기영 ( Gee Young Kwon ),허우성 ( Woo Seong Huh ),김윤구 ( Yoon Goo Kim ),김대중 ( Dae Joong Kim ),오하영 ( 대한신장학회 2010 Kidney Research and Clinical Practice Vol.29 No.2
Membranous glomerulopathy (MGN) is a common cause of nephrotic syndrome in adults. Renal failure gradually develops in patients with MGN and crescentic glomerulonephritis (CGN) superimposed on MGN is a rare cause of acute renal failure. In most cases patients showed nephrotic syndrome with acute renal failure. We report a 33-year-old woman with azotemia but with no other symptoms such as nephrotic syndrome she had been diagnosed to have MGN 15 months before. There seemed to be no other cause of azotemia. Renal biopsy was performed and revealed CGN on existing MGN. She was treated with immunosuppression treatment and azotemia was improved. When unexplained azotemia develops in patients with MGN, we should promptly investigate superimposed conditions including CGN. In CGN superimposed on MN, a potentially reversible condition with appropriate immunosuppression therapy should be considered.