• 제목/요약/키워드: Wind Energy Resource

검색결과 253건 처리시간 0.024초

남극 세종기지의 풍력자원 분석 (Wind Resource Assessment of Antarctic King Sejong Station)

  • 배재성;장문석;주영철;윤정은;경남호
    • 한국태양에너지학회 논문집
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    • 제25권3호
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    • pp.53-60
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    • 2005
  • Energy resource is very important to the survival in the polar region. Wind energy, which is one of renewable energy, can guarantee the clean, inexhaustible, natural resource in the polar region. It is essential to assess the wind energy resource of the site where wind turbines will be installed. In the present study, the wind characteristics of the antarctic King Sejong station are analysed from its meteorological observation data. The wind resource of the Sejong station is also simulated and predicted using WAsP program. From the results, the Sejong station has very excellent wind resource and the site where small wind turbines will be installed is determined.

국토환경성평가에 의한 육상 풍력자원 잠재량 산정 (Evaluation of Onshore Wind Resource Potential According to Environmental Conservation Value Assessment)

  • 김현구;황효정;강용혁
    • 한국환경과학회지
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    • 제22권6호
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    • pp.717-721
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    • 2013
  • In order to analyze the effect of environmental protection on wind energy dissemination quantitatively, the onshore wind resource potential is estimated using Environmental Conservation Value Assessment Map and Korea Wind Resource Map. The onshore wind resource potential of 11 GW is calculated if wind farm development is prohibited within Class 1 area of Environmental Conservation Value Assessment plus 500 m buffer area. Therefore it is worried that environmental protection would be a practical barrier of accomplishing 4,155 thousand TOE target of wind energy dissemination until 2030.

풍속고도분포지수 산정 및 불확도 평가 - 제주도 사례 (Calculation of Vertical Wind Profile Exponents and Its Uncertainty Evaluation - Jeju Island Cases)

  • 김유미;김현구;강용혁;윤창열;김진영;김창기;김신영
    • 한국태양에너지학회 논문집
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    • 제36권4호
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    • pp.11-20
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    • 2016
  • For accurate wind resource assessment and wind turbine performance test, it is essential to secure wind data covering a rotor plane of wind turbine including a hub height. In general, we can depict wind speed profile by extrapolating or interpolating the wind speed data measured from a meteorological tower where multiple anemometers are mounted at different heights using a power-law of wind speed profile. The most important parameter of a power-law equation is a vertical wind profile exponent which represents local characteristics of terrain and land cover. In this study, we calculated diurnal vertical wind profile exponents of 8 locations in Jeju Island who possesses excellent wind resource according to the GUM (Guide to the Expression of Uncertainty in Measurement) to evaluate its uncertainty. Expanded uncertainty is calculated by combined standard uncertainty, which is the result of composing type A standard uncertainty with type B standard uncertainty. Although pooled standard deviation should be considered to derive type A uncertainty, we used the standard deviation of vertical wind profile exponent of each day avoiding the difficult of uncertainty evaluation of diurnal wind profile variation. It is anticipated that the evaluated uncertainties of diurnal vertical wind profile exponents at 8 locations in Jeju Island are to be registered as a national standard reference data and widely used in the relevant areas.

도로인접성에 따른 육상 풍력자원 잠재량 평가 (Evaluation of Onshore Wind Resource Potential According to the Road Proximity)

  • 김현구;황효정;강용혁;윤창열
    • 신재생에너지
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    • 제9권4호
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    • pp.13-18
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    • 2013
  • Wind turbines should generally be installed at a certain distance from a road to ensure passengers' safety. In Korea, there is no clear guidance as the Ministry of Environment first proposed a road setback distance of 400 m in the Onshore Wind Farm Siting Guidelines draft proposed in July 2012, and then modified it to 1.5 times the height of the wind turbine in October of the same year. This study analyzed the dynamic range of onshore wind resource potential according to how the road setback distance is set using the Korea Wind Atlas with 100m spatial resolution made by the Korea Institute of Energy Research, the transportation network of the Ministry of Construction and Transportation, and the forest road network of the Korea Forestry Service. Owing to the geographical characteristics of Korea, where mountainous terrain accounts for 70% of the total territory, the wind resource potential within 1 km from forest roads are estimated to be 14.3 GW, 14% of Korea's total wind resource potential. In addition, the construction distance of new road for transporting wind turbines from the existing road to a wind farm site is estimated as less than 2 km. Given the limited wind resource potential and geographical constraints, an assessment system that can maximize wind resource utilization and ensure road safety at the same time, and which takes into account the regional characteristics instead of applying the fixed road setback distance across-the-road, is required.

수치바람모의에 의한 저해상도 국가 바람지도의 구축 (Establishment of the Low-Resolution National Wind Map by Numerical Wind Simulation)

  • 김현구;장문석;경남호;이화운;최현정;김동혁
    • 한국태양에너지학회 논문집
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    • 제26권4호
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    • pp.31-38
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    • 2006
  • The national goal of wind energy dissemination has to be determined rationally based on technically available wind resource potential. For an accurate and scientific estimation of wind resource potential, a wind map is requisite. This paper introduces the national wind map of Korea established by numerical wind simulation. Therefore, quantification of national wind resource potential is now possible and is anticipating to be used as a core index for policy and strategy building of wind energy dissemination and technology development.

한반도 바람지도 구축에 관한 연구(II. 저해상도 바람지도화 및 풍력자원 정보체계) (Study on Establishment of Wind Map of the Korean Peninsula(II. Low-Resolution Wind Mapping and Wind Resource Information System))

  • 김현구;장문석
    • 신재생에너지
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    • 제3권1호
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    • pp.20-26
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    • 2007
  • A low-resolution national wind map, which is a prerequisite for setting up the national dissemination target and strategy of wind energy development, has been established by numerical wind simulation using the synoptic wind map, developed at the first stage, as an upper boundary condition. Based on the wind map, Wind Resource Information System has been composed in order to support scientific and systematic wind resource assessment and analysis.

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풍력자원 잠재량 산출을 위한 저해상도 바람지도 구축 (Low-Resolution Wind Mapping For Estimation of Wind Resource Potential)

  • 김현구;장문석;경남호
    • 한국신재생에너지학회:학술대회논문집
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    • 한국신재생에너지학회 2006년도 추계학술대회
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    • pp.307-308
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    • 2006
  • The national goal of wind energy dissemination has to be determined rationally based on technically available wind resource potential. For a reliable and scientific estimation or wind resource potential, a wind map is requisite. This paper presents the national wind map of Korea established by numerical wind simulation. Prediction accuracy of the low-resolution wind map is Improved by nudging QuikSCAT data and is validated by comparing with marine buoy beacon and met-mast measurements. Therefore, quantification of national wind resource potential is now possible and is anticipating to be utilized as a core index for policy and strategy building of wind energy dissemination and technology development.

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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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풍력발전단지 개발을 위한 풍자원 해석 및 단지 설계 (Analysis of Wind Energy Resource & Case study for Wind Park Siting)

  • 변효인;류지윤;김두훈
    • 한국신재생에너지학회:학술대회논문집
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    • 한국신재생에너지학회 2005년도 춘계학술대회
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    • pp.21-24
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    • 2005
  • This study explains the procedure that should be taken to develop a successful wind park project. It Provide guideline for activities and studies to be done step by step solution. This study follow a chronological flow through the development process. They cover Technical consideration, Assessment of Wind Energy Resource, Wind park siting and Energy yield calculation. It's build on the experience gained by the Youngduk Wind Park project and give the playa role in the development of wind energy projects. It is important to understand all theses issues if a new project is to be successfully completed.

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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.