• Title, Summary, Keyword: 해상풍력단지

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A Study on the Establishment of Allowable Criteria for Sailing Ships at Offshore Wind Farms (해상풍력발전단지해역 선박 통항 허용기준 설정에 관한 연구)

  • Ohn, Sung-Wook;Lee, Chang-Hyun;Kim, Cheol-Seong
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.24 no.7
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    • pp.841-847
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    • 2018
  • Since global energy consumption and demand for energy have dramatically risen, a focus on environmental problems and sustainability has become more important. Clean and renewable energy sources such as offshore wind power generation have received attention among new renewable energy options as alternative energy resources. Due to maintenance and operational perspectives, offshore wind farms have been planned for installation in many coastal waters. However, development of offshore wind farms faces interference from existing maritime traffic along the planned areas. In order to safely and effectively govern marine traffic in the vicinity of wind farms and inner areas, standard criteria are suggested to allow vessels to sail the internal waters of offshore wind farm areas. Therefore, the purpose of this study is to establish allowable criteria for sailing vessels and safety zones for offshore wind farms by investigating the local regulations of various offshore wind farm cases overseas. The commended inner safety zone of wind farms is proposed to be a distance of 150 % of the rotation diameter of the wind turbine rotor and a distance of 200 m from the outer wind turbine for the outer safety zone. Besides this, the allowable criteria for sailing vessels within a wind farm is proposed to have an air draft of 14.47 m south-west wind farm sea areas for a minimum margin to avoid hull contact through evaluation of the tide and height of a wind turbine. further studies will be needed to establish vessel sailing criteria among adjacent offshore wind farms as well as vessel sailing criteria within a single offshore wind farm.

Installation Scheduling for the Development of Southwest Coast 2.5GW Offshore Wind Farm (서남해안 2.5GW 해상풍력단지 조성을 위한 설치 일정계획)

  • Ko, Hyun-Jeung
    • Journal of Korea Port Economic Association
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    • v.33 no.2
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    • pp.83-96
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    • 2017
  • As a way to address global warming, among the renewable energy sources, there have been heavy investments worldwide for the development of offshore wind farms. However, such development has a drawback: investment costs are higher than those for onshore wind farms due to required operations such as offshore transportation and installation. In particular, delays in installation due to adverse maritime weather conditions are factors that affect the economics of offshore wind farms' operation. Therefore, in this study, we analyze the optimal schedule of the construction of an offshore wind farm from a macro perspective by considering the weather conditions in Korea. For this purpose, we develop a mathematical model and apply it to a 2.5 GW offshore wind farm project on the southwestern coast of the country. We use data from the Korea Meteorological Agency for maritime weather conditions and attempt to reflect the actual input data based on precedent cases overseas. The results show that it takes 6 months to install 35 offshore wind turbines. More specifically, it is pointed out that it is possible to minimize costs by not working in winter.

해상교량과 해상풍력단지의 안전성 평가기법 조사 연구

  • Kim, Tae-Gyun;Byeon, Sang-Hyeon;Yang, Won-Jae;Im, Jeong-Bin
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • pp.471-473
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    • 2013
  • 주요 통항로에 설치된 해상교량과 해상풍력단지는 선박의 안전항해에 지대한 영향을 미친다. 특히, 90년대 들어 국내에 다수 건설된 해상교량은 과거에 경험하지 못한 대규모 선박-교량 충돌사고의 유발 가능성을 예고하고 있다. 또한 국내 군산지역에 구축될 해상풍력단지 역시 선박과의 충돌 가능성을 내포하고 있다. 이 논문에서는 과거에 연구 개발된 해상교량과 해상풍력단지의 안전성 평가기법을 조사하고, 향후 실용화 방안을 모색하였다. 연구결과, 기존 연구결과를 토대로 위기관리 시스템을 구축하면 궁극적인 해양사고 예방이 가능할 것으로 고려되었다.

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Wind Turbine Power Control to Minimize Power Loss within Wind Farm (풍력발전단지 내 송전손실 최소화를 위한 풍력발전기 출력 제어)

  • Kim, Yun-Soo;Jeong, Ho-Yong;Moon, Seung-Il
    • Proceedings of the KIEE Conference
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    • pp.240-241
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    • 2011
  • 풍력발전단지가 급속히 증가함에 따라 풍력발전단지의 제어를 통한 계통 규정 참여가 중요해지고 있다. 본 논문에서는 풍력발전단지 내에서의 송전손실을 최소화하기 위한 풍력발전기의 제어 방식을 제안한다. 모의 계통은 덴마크 해상풍력단지 Horns Rev를 본떴으며 풍력발전기 별로 적용되는 풍속도 Wake Effect를 고려한 실제 데이터를 사용하였다. 손실 최소화를 위해 Linear Programming(LP)에 기반을 둔Optimal Power Flow(OPF)를 사용하였다.

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A Study on Ship Safety Distance Between AIS Based Ships Route and Offshore Wind Farm (AIS 기반 선박통항로 및 해상풍력단지간 선박안전이격거리 도출)

  • Son, Woo-Ju;Lee, Bo-Kyung;Cho, Ik-Soon
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • pp.79-81
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    • 2019
  • 국내 해상풍력발전단지와 선박간의 이격거리에 대한 명확한 규정 및 법령이 없는 시점에서 이 연구는 국내 해상풍력발전단지의 안전거리를 국내 및 해외의 관련 규정 및 문헌을 검토사항을 바탕으로 부산 청사포 해역 인근의 선박 통항량을 AIS Data 기반 분석하여 해상풍력발전단지 시설물(Wind Turbine)의 안전을 확보하기 위한 방안을 검토하였다.

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Assessment for Development Capacity of Offshore Wind Power Around Korean Peninsula (국내 해역의 해상풍력 개발 가능량 평가)

  • Kim, Ji-Young;Kang, Keum-Seok;Oh, Ki-Yong;Lee, Jun-Shin;Jang, Moon-Seok
    • 한국신재생에너지학회:학술대회논문집
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    • pp.500-503
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    • 2009
  • 국내 해역의 해상풍력 개발 가능량을 평가하기 위하여 풍황, 수심 등을 고려하여 개발 가능량을 추정하였다. 풍력등급 3 이상, 수심 50 m 이내의 영역에 대하여 사회.환경적 영향을 고려하기 위한 제약조건을 반영하여 개발 가능량을 산출하였으며, 현재의 기술수준으로 개발 가능하다고 판단되는 수심 30 m 이내의 영역에 대한 개발 가능용량이 약 11 GW 정도로 추정됨에 따라 풍력발전 용량을 2030년까지 7.3 GW 이상 확보하고자 하는 국가 신재생에너지 보급목표의 달성 가능성이 기대된다. 본 연구결과는 해상풍력 개발단지 선정을 위한 기초 자료로 활용되며, 입지 선정 후 기상관측, 환경영향조사 등의 세분화된 단지조사를 통한 해상풍력 실증단지 설계 및 경제성 평가 등이 계속 진행될 예정이다.

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Design of SCADA System for a Large-Scale Offshore Wind Farm (대규모 해상풍력발전단지 운용을 위한 SCADA 시스템 설계)

  • Kim, Dong Wook;Song, Jae Ju;Jung, Nam Joon;Choi, Hyo Yul
    • KIPS Transactions on Computer and Communication Systems
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    • v.1 no.3
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    • pp.161-170
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    • 2012
  • In recent years, many researchers and developers have been interested in renewable energy all over the world. Particularly, the development of wind power is being processed actively due to its high economic efficiency. A few years ago, Korean government has started the research for building a large-scale offshore wind farm in domestic west-southern area. Current domestic SCADA technology level for operating wind farm is very low compared with foreign SCADA technology level. In this paper, we found IT issues and solutions for developing SCADA system. Based on these solutions, we designed SCADA system for a large-scale offshore wind farm.

Construction Technology Roadmapping for Port Offshore Wind Farm (항만해상풍력단지 건설기술 로드맵 수립)

  • Kim, Ki-Yoon;Jeong, Suk-Jai;Lee, Suk-Jun
    • Journal of Digital Convergence
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    • v.11 no.2
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    • pp.137-148
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    • 2013
  • This paper aims to presents a systematic procedure for the development of construction technology roadmap, which can consider the offshore wind farm on port. Then the weight among the large/medium/small classified construction technology has identified through the AHP(Analytical Hierarchy Process) approach using FGI(Focus Group Interview) and questionnaire study. Based on the priority for classified construction technology a construction technology roadmap for port offshore wind farm was also developed. The technology roadmap suggests the time frame(20 years, from 2016 to 2036) to complete R&D work for the classified construction technology of port offshore wind farm. Such construction technology roadmap can be utilized as a milestone in setting up the R&D strategy in the green port construction industry.

Grid-Connected Off-Shore Wind Power System Using 3-Level ANPC VSC (Active Neutral-Point-Clamped Voltage Source Converter) (Active NPC를 적용한 계통연계형 해상 풍력 발전용 전력변환 시스템)

  • Hong, Seok-Jin;Shin, Soo-Cheol;Lee, Hee-Jun;Choi, Chi-Hwan;Won, Chung-Yuen;Kim, Hack-Seong
    • Proceedings of the KIPE Conference
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    • pp.249-250
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    • 2012
  • 해상 풍력 발전은 가장 유망한 재생 에너지원의 하나이며, 육상 풍력 발전보다 풍력이 강력하고 일정하여 장시간 고출력 발생이 가능하다. 또한 소음, 공간적 한계, 경관훼손 등 기존 육상 풍력 발전의 단점을 보완하고 초대형 단지조성이 가능한 장점이 있다. 초대형 해상풍력단지에는 일반적으로 MW급의 해상풍력발전기가 사용된다. 본 논문에서는 MW급의 해상 풍력발전기에 ANPC(Active Neutral-Point-Clamped) Multi-Level VSC(Voltage Source Converter)를 적용하여 Back-to-Back으로 구성한 시스템을 제안하고 계통연계형 풍력 발전 시스템을 모의한 시뮬레이션을 통하여 제안된 시스템의 성능을 검증한다.

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CFD Study on Aerodynamic Power Output of 6 MW Offshore Wind Farm According to the Wind Turbine Separation Distance (CFD를 활용한 6 MW 해상풍력발전단지의 풍력터빈 이격거리에 따른 공기역학적 출력 변화연구)

  • Choi, Nak-Joon;Nam, Sang-Hyun;Jeong, Jong-Hyun;Kim, Kyung-Chun
    • Journal of the Korean Society of Marine Engineering
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    • v.35 no.8
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    • pp.1063-1069
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    • 2011
  • This paper presents aerodynamic power outputs of wind turbine of 6 MW wind farm composed of 3 sets of 2 MW wind turbine according to the separation distance by using CFD. Layout design including offshore wind farm and onshore wind farm is key factor for the initial investment cost, annual energy production and maintenance cost. For each wind turbine rotor, not actuator disc model with momentum source but full 3-dimensional model is used for CFD and it has a great technical meaning. The results of this study can be applied to the offshore wind farm layout design effectively.