http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
곽승훈(Seung-Hun Kwak),정문선(Moon-Seon Jeong),김상만(Sang-Man Kim),문채주(Chea-Joo Moon),장영학(Yeong-Hak Jang) 전력전자학회 2010 전력전자학술대회 논문집 Vol.2010 No.11
태양광발전시스템에서 PV모듈이나 어레이의 성능특성 및 성능추정이 요구되고 있다. 태양광 발전 모듈은 장기간 사용 시환경 요인 등으로 효율이 나빠지며 어레이의 특정 모듈 효율저하는 전체 발전 전력의 감소를 초래하므로 실시간 감시가 필요하다. 이 논문은 태양광 발전 모듈의 발전 전력을 실시간으로 측정하기 위한 것이다. 모듈의 출력을 실시간으로 측정하기 위해 전압, 전류 측정 회로를 제작하고 온도, 일조량 측정 장치를 제작하여 RS485 통신으로 연결하였다. Visual Studio - Basic .Net(2005)과 NI사의 Measurement Studio를 이용하여 실시간 모니터링 프로그램을 제작하였고, 모듈들 사이의 상대적인 발전 출력을 비교하여 효율 저하가 의심되는 모듈을 실시간으로 탐색하였다. 20개 모듈의 직병렬로 구성된 1㎾ 태양광 발전체에 적용하여 시험한 결과 2개의 모듈에서 성능 저하가 의심되는 결과가 확인되었다.
문채주(Moon Chae-Joo),곽승훈(Kwak Seung-Hun),장영학(Jang Yeong-Hak),김태곤(Kim Tae-Gon),김의선(Kim Eui-Sun),김태현(Kim Tae-Hyun) 한국태양에너지학회 2010 한국태양에너지학회 논문집 Vol.30 No.6
This study was conducted to estimate the relative performance of modules with changed characteristics due to long term exposure to the outdoor environment, with a specially made test device for simultaneous measurement of real time power output from the photovoltaic array, taking into account the inclined panel, direct irradiation, power being generated, temperature as well as the optimal analysis timing. In terminology description, M is an abbreviation of module and Group A, Group B are 10 modules series connection (1∼10 of M), (11∼20 of M) for each of them respectively. The overall mean voltage difference of M-18 with the lowest power output and M-14 with the highes toutput is -2.13V and it was identifiable that voltage difference was more concentrated to Group B. In addition, in case of M-2 and M -7, M-8, when compared with M-14, the overall mean voltage difference was -0.92V, -1.56 and -0.91V respectively showing the more concentration to Group A. When the temperature of module went up by 1℃, the mean voltage was reduced by 0.35V. For current, Group A was lower than Group B by-0.022A and the ratio of each group was 49.68% and 50.32% respectively, presumably the module with deteriorated properties were more concentrated to Group A relatively. From the comparison of relations with the comprehensive accumulation, M-2, M-7, M-8, M-16 and M-18 were those with deterioration of performance to the worst, there by requiring precision examination. In comparative efficiency, M-14 was the most excellent one as 12.19% while M-18 as 10.53% was identified that its efficiency was comparatively rapidly reduced.
정문선(Moon-Seon Jeong),문채주(Chae-Joo Moon),곽승훈(Seung-Hun Kwak),최만수(Man-Su Choi),장영학(Young-Hak Chang) 전력전자학회 2010 전력전자학술대회 논문집 Vol.2010 No.11
본 논문에서는 풍력발전단지 설계를 목적으로 사용되고 있는 EMD사의 WindPRO2.6을 이용하여 서남해안에 설치된 50m 높이의 Met mast에서 1년 동안 관측된 풍황자원을 분석하고, 특정 풍력발전기를 적용하여 40㎿급 해상풍력발전단지를 설계했을 경우 연간 생산되는 발전량을 예측하였다.
정의헌(Cheang Eui Heang),문채주(Moon Chae Joo),곽승훈(Kwak Seung Hun),정문선(Jung Moon Sun) 한국태양에너지학회 2009 한국태양에너지학회 학술대회논문집 Vol.2009 No.11월
Current wind turbine units that are used primarily 3Blade type devices or large-scale wind-term capacity of 2㎿ of 60m~90m Blade diameter is applied. This is not the best suitable design with the designing condition for the special quality of wind condition in the South-West Coastal Areas of Korea where the wind speed frequency of average wind speed and over 10㎧ high wind velocity is fairly low. For this matter, in this dissertation, the expecting generation amount of electric power is measured excluding a mechanical moment, considering wind power energy traveling to the Blade when 60m~120m blade is applied, based on 2㎿ wind generator. Also, we would like to propose the Blade diameter which is fitted by wind condition of South-West Coastal Areas of Korea.
김상만(Kim Sang-Man),문채주(Moon Chae-Joo),정문선(Jeong Moon-Seon),곽승훈(Kwak Seung-Hun),조규판(Jo Kyu-Pan),이경성(Kyung Sung-Lee) 한국태양에너지학회 2010 한국태양에너지학회 학술대회논문집 Vol.2010 No.11
Small scale wind power generators are often used in the heart of the city. However, energy production quantity is volatile, and if lots of small scala wind power generators are installed without high priced equipments which allows evaluation of wind energy potential, these situation may cause many difficulties to the growth of small scale wind power generation market. This paper developed low-price type easy-to-use data logger for data measurement for wind speed range using wind speed and direction sensor by NRG as well as AT mega microprocessor, suitable for urban topography for the purpose of evaluating wind energy source potential in accordance with the shape of city.
풍력터빈 적용을 위한 PMSG용 영구자석의 와전류손실에 관한 연구
최만수(Man-Soo Choi),문채주(Chae-Joo Moon),쑨루이(Sun Rui),장영학(Young-Hak Chang),박태식(Tae-Sik Park),정문선(Moon-Seon Jeong),곽승훈(Seung-Hun Kwak) 한국태양에너지학회 2014 한국태양에너지학회 논문집 Vol.34 No.2
The objective of this paper is to suggest a design topology of permanent magnet synchronous generator with 2,000kW capacities for wind turbine. The suggested topology is to provide 3 split magnet PMSG instead of single magnet, and performed an analysis of eddy current loss and iron loss for suggested type using ansoft maxwell commercial program. The simulation results of suggested magnet type show there duction of eddy current loss as 13.87kW with loadless conditions and23.48kW with rated conditions, but iron loss for rotor yoke show the in creasing trend as2.2kW with loadless conditions and 0.2kW with rated conditions. The suggested 3 split maget type is to identified as more useful for 2,000kW PMSG.