• 제목/요약/키워드: wind resource

검색결과 324건 처리시간 0.026초

제주도 풍력자원 데이터베이스 KIER-WindJeju (The Wind Resource Database KIER-WindJeju)

  • 김현구;이종남;장문석;경남호
    • 한국신재생에너지학회:학술대회논문집
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    • 한국신재생에너지학회 2007년도 춘계학술대회
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    • pp.420-422
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    • 2007
  • In order to support wind power development in Jejudo, the island of winds, the wind resource database KIER-WindJeju has been established by meteor-statistical analysis on met-mast measurements of KIER. The analysis includes tower shading, exposure category, wind profile exponent for wind speed extrapolation to hub height of wind turbine, and correlation matrix between neighboring sites to assist choice of appropriate reference site for long-term correlation. KIER-WindJeju will be provided as an add-on of Google $Earth^{TM}$ and will be used as a guideline of future wind resource assessment in Jejudo.

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기후변화 시나리오에 근거한 한반도 미래 풍력·태양-기상자원 변동성 (Variability of Future Wind and Solar Resource Over the Korean Peninsula Based on Climate Change Scenario)

  • 변재영;김유미;최병철
    • 신재생에너지
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    • 제10권2호
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    • pp.29-39
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    • 2014
  • This study examines the future variability of surface wind speed and solar radiation based on climate change scenario over the Korean Peninsula. Climate change scenarios used in this study are RCP 4.5 and 8.5 with a 12.5 km horizontal resolution. Climate change scenario RCP 4.5 and 8.5 reproduce the general features of wind speed over the Korean Peninsula, such as strong wind speed during spring and winter and weak wind speed during summer. When compared with the values of wind speed and solar radiation of the future, they are expected to decrease current wind and solar resource map. Comparing the resource maps using RCP 4.5 and 8.5 scenarios, wind speed and solar radiation decrease with increasing greenhouse gas concentration. Meteorological resource maps of future wind and solar radiation should be improved with high resolution for the industrial application.

국가바람지도에 의한 풍력자원 잠재량 산출방법 (Estimation Method of Wind Resource Potential Using a National Wind Map)

  • 김현구;장문석;김은일;이화운;이순환;김동혁
    • 한국신재생에너지학회:학술대회논문집
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    • 한국신재생에너지학회 2008년도 추계학술대회 논문집
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    • pp.332-333
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    • 2008
  • This paper presents an estimation method of national wind resource potential using a national and GIS(Geographical Information System). The wind resource potential is classified into theoretical, geographical and technical potentials and each category narrows down the previous definition by excluding impossible area to be developed as a wind farm using GIS datasets for onshore and offshore. As a basic unit of wind energy potential at a certain area, API(Average Power Intercepted) is calculated from WPD(Wind Power Density) given by a national wind map which is established by numerical wind simulation, so that a logical and relatively accurate potential estimation is possible comparing with other methods based on a field measurement interpolation which is inevitable to avoid critical assumptions.

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해상기상관측 시스템 및 실시간 원격 모니터링시스템 개발 (The Development of Offshore Wind Resource Measurement System and Remote Monitoring System)

  • 고석환;장문석;이윤섭
    • 한국태양에너지학회 논문집
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    • 제31권6호
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    • pp.72-77
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    • 2011
  • The purpose for installation of offshore weather station is a measurement of wind resources and so on. If weather station is operated, it will be possible to analysis for wind resource and arrangement of wind farm by using measured data. In this paper, we carried out the development of offshore wind resource measurement system for measuring offshore wind resource. Also, In order to monitor for real-time wind data with 1 Hz, we installed the wireless transmission system. All wind characteristic data are sent to the server PC through the this system is connected outport of DataLogger. Transmitted wind data were used in order to look at in the Web-page and tablet PC on a real time basis in a graph. In this paper, we will introduce about the wind resource measurement and remote monitoring system that is the result of study.

제주 남동부 지역을 대상으로 한 WindPRO의 발전량 예측에 관한 연구 (Study on the Power Performance on WindPRO Prediction in the Southeast Region of Jeju Island)

  • 현승건;김건훈;허종철
    • 한국신재생에너지학회:학술대회논문집
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    • 한국신재생에너지학회 2010년도 춘계학술대회 초록집
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    • pp.184.1-184.1
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    • 2010
  • In order to research the way to evaluate wind resource without actual Met Mast data, this paper has been carried out on the southeastern region of Jeju island, Korea. Although wind turbine has been an economical alternative energy resource, misjudging the prediction of lifetime or payback period occurs because of the inaccurate assessment of wind resource and the location of wind turbine. Using WindPRO(Ver. 2.7), a software for wind farm design developed by EMD from Denmark, wind resources for the southeastern region of Jeju island was analyzed, and the performance of WindPRO prediction was evaluated in detail. Met Mast data in Su-san 5.5Km far from Samdal wind farm, AWS in Sung-san 4.5km far from Samdal wind farm, and Korea Wind Map data had been collected for this work.

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지형형태 분류에 의한 산악지형 내 풍력단지 입지평가 (Wind Farm Siting in Mountainous Terrain By Geomorphometric Characterization)

  • 김현구;황효정;강용혁;윤창열;정보린;송규봉
    • 대한공간정보학회지
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    • 제22권4호
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    • pp.13-19
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    • 2014
  • 한반도와 같은 산악지형에서 풍력단지를 조성할 경우, 인근 지형에 의한 차폐영향이 없기 때문에 상대적으로 풍력자원이 우수한 능선을 따라서 풍력터빈을 설치하는 것이 유리하다. 본 연구에서는 산악지형에서의 풍력단지 입지평가를 위하여 SRTM v4.1 3 arc-second 해상도의 수치고도 데이터베이스와 지형형태 분류 프로그램인 LandSerf v2.3을 이용하여 풍력터빈 설치 가능한 능선을 추출하였으며, 강원도에 건설된 강원풍력단지, 태기산풍력단지 및 매봉산풍력단지의 사례분석을 통하여 대부분의 풍력터빈이 상대적으로 풍력자원이 우수한 능선을 따라 배치되었음을 확인함으로써 이 방법의 유효성을 검증하였다.

시계열 풍속벡터의 유사성을 이용한 포항지역 바람권역 분류 (Classification of Wind Sector in Pohang Region Using Similarity of Time-Series Wind Vectors)

  • 김현구;김진솔;강용혁;박형동
    • 한국태양에너지학회 논문집
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    • 제36권1호
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    • pp.11-18
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    • 2016
  • The local wind systems in the Pohang region were categorized into wind sectors. Still, thorough knowledge of wind resource assessment, wind environment analysis, and atmospheric environmental impact assessment was required since the region has outstanding wind resources, it is located on the path of typhoon, and it has large-scale atmospheric pollution sources. To overcome the resolution limitation of meteorological dataset and problems of categorization criteria of the preceding studies, the high-resolution wind resource map of the Korea Institute of Energy Research was used as time-series meteorological data; the 2-step method of determining the clustering coefficient through hierarchical clustering analysis and subsequently categorizing the wind sectors through non-hierarchical K-means clustering analysis was adopted. The similarity of normalized time-series wind vector was proposed as the Euclidean distance. The meteor-statistical characteristics of the mean vector wind distribution and meteorological variables of each wind sector were compared. The comparison confirmed significant differences among wind sectors according to the terrain elevation, mean wind speed, Weibull shape parameter, etc.

남한 풍력자원 잠재량의 예비적 산정 (Preliminary Estimation of Wind Resource Potential in South Korea)

  • 김현구
    • 한국태양에너지학회 논문집
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    • 제28권6호
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    • pp.1-7
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    • 2008
  • The wind resource potentials of South Korea are estimated as preliminary stage using the national wind map which has been being established by numerical wind simulation and GIS (Geographical Information System) exclusion analysis. The wind resource potentials are classifying into theoretical, geographical, technical and implementation potentials and the calculation results are verified by comparing to other countries' potentials. In GIS exclusion, urban, road, water body, national parks and steep slope area are excluded from onshore geographical potential while water depth and offshore distance from the shoreline are applied as offshore exclusion conditions. To estimate implementation potential, dissemination records of European countries are adopted which is about 1/8 of geographical potential. The implementation potential of South Korea would correspond 12.5GW which is 1.7 times of the national wind energy dissemination target until 2030.

풍력자원해석 및 에너지예측을 통한 풍력발전단지 설계 연구 (The Study of the Wind Resource and Energy Yield Assessment for the Wind Park Development)

  • 변효인;류지윤;김두훈
    • 신재생에너지
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    • 제1권2호
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    • pp.19-25
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    • 2005
  • This study explains ther procedure that should be taken to develp a successful wind park project. It provides a guideline for the activities and studies to be done as a step by step solution. This study follows a chronological flow throughout the whole development Process. This Paper covers technical consideration, assessment of wind energy resource, wind Park siting and energy yield calculation This presented knowledge h3s been mostly gained by the experience from Youngduk wind park project. The further comparison study will be performed between the theoretical prediction and the actual yield of the Youngduk wind park.

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남극 세종기지의 전산유동해석에 의한 풍력자원평가 (Wind Resource Assessment of the Antarctic King Sejong Station by Computational Flow Analysis)

  • 김석우;김현구
    • 한국태양에너지학회 논문집
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    • 제27권3호
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    • pp.29-35
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    • 2007
  • In accordance with Madrid and Kyoto Protocols, a 10kw wind turbine installed about 625m away from the King Sejong Station in the Antarctica has been in operation successfully. The current location of the wind turbine has different geographic surroundings from the previous candidate site considered in 2005 and that makes re-evaluation of wind resource at the current site including geographic effects necessary. Especially, strong wind flow derived by steep and complex terrain is dominant in the Antarctica so that computational flow analysis is required. The wind rose measured at the previous and current installation location are identical with strong meteorological correlation but prevailing directions of wind power density are different because of local wind acceleration due to complex terrain. Numerical analysis explains which effects brings this discordance between the two sites, and a design guideline required for additional wind turbine installation has been secured.