• Title/Summary/Keyword: Hybrid power generation

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Design and Construction Experiences of Solar Thermal Chemical Reaction Hybrid Power Generation (태양열 화학반응 복합발전시스템의 설계 및 시공 사례)

  • Lee, Sang-Nam;Kang, Yong-Heack;Kim, Jin-Soo;Yoon, Hwan-Ki;Yu, Chang-Kyun;Kim, Jong-Kyu
    • 한국신재생에너지학회:학술대회논문집
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    • 2007.06a
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    • pp.688-692
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    • 2007
  • Solar thermal power generation allows additional benefits of cheap thermal storage and easy hybridization with other fossil fuel-driven power generation. KIER has been performing the project for solar thermal chemical reaction hybrid power generation. The project is to build and operate the first solar thermal chemical reaction hybrid power generation system in Korea. For concentrating solar thermal energy $m^2$ dish type concentrator was adapted and a heliostat is installed for reflecting horizontal insolation to the dish concentrator. At the moment building the dish concentrator including mirror and heliostat with sun tracking system was completed and it's performance are being closely evaluated. This paper will introduce some detailed designs and construction procedures which we have experienced so far.

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High Efficiency Gas Turbine-Fuel Cell Hybrid Power Generation System (가스터빈-연료전지 혼합형 고효율 발전시스템)

  • Lee, Jin-Kun;Yang, Soo-Seok;Sohn, Jeong-L;Song, Rak-Hyun;Cho, Hyung-Hee
    • 유체기계공업학회:학술대회논문집
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    • 2001.11a
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    • pp.347-353
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    • 2001
  • A combined cycle, 'HYBRID', is emerging as a new power generation technology that is particularly suitable for the distributed power generation system, with high energy efficiency and low pollutant emission. Currently micro gas turbines and fuel cells are attracting a lot of attention to meet the future needs in the distributed power generation market. This hybrid system may have every advantages of both systems because a gas turbine is synergistically combined with a fuel cell into a unique combined cycle. The hybrid system is believed to become a leading runner in the distributed power generation market. This paper introduces a current plan associated with the development of the hybrid system which consists of a micro gas turbine and a solid-oxide fuel cell(SOFC).

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A Concept of Buoyant Hybrid Power Generation System by using Solar Cell Modules and Power Generator in the Sea (태양전지 모듈 및 발전기를 사용한 해상 태양광-풍력 복합발전시스템 개념)

  • Cha, Kyung-Ho;Cha, Min-Jae;Lee, Hee-Sei
    • 한국신재생에너지학회:학술대회논문집
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    • 2008.10a
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    • pp.91-93
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    • 2008
  • A Buoyant Hybrid Power Generation System (BHPGS) described in this paper, is a conceptual approach to a hybrid solar-wind power generation in the near sea. The primary purpose of the BHPGS is given to improve utilization of solar cell modules. Main components of the BHPGS include a solar cell module, buoyant object, power generator, and support assembly including weight. Components such a generator controller, DC/AC converter, etc., are not configured in the current BHPGS because they can easily be purchased as a commercial-off-the-shelf product. In addition, some of the BHPGS applications are discussed.

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WEB-BASED MONITORING FOR PHOTOVOLTAIC/WIND POWER GENERATION FACILITIES (태양광/풍력 발전설비의 웹기반 모니터링기술)

  • Park, Se-Jun;Yoon, Jeong-Phil;Cha, In-Su
    • Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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    • 2004.11b
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    • pp.33-37
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    • 2004
  • Photovoltaic energy and wind energy are highly dependent on the season, time and extremely intermittent energy sources. Because of these reasons, in view of the reliability the photovoltaic and the wind power generation system have many problems(energy conversion, energy storage, load control etc.) comparing with conventional power plant. In order to solve these existing problems, hybrid generation system composed of photovoltaic(500W) and wind power system(400W) was suggested But, hybrid generation system cannot always generate stable output due to the varying weather condition So, the auxiliary power compensation unit that uses elastic energy of spiral spring was added to hybrid generation system for the present study. It was partly confirmed that hybrid generation system was generated a stable outputs by spiral spring was continuously provided to load.

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Solar Thermal Hybrid Power Generation: technology overview and state of the art in Korea (태양열 복합발전기술의 개요와 국내 연구개발 현황)

  • Kim Jin-Soo;Kang Yong-Heack;Lee Sang-Nam;Yoon Hwan-Ki;Yu Chang-Kyun
    • 한국신재생에너지학회:학술대회논문집
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    • 2005.06a
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    • pp.412-415
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    • 2005
  • Solar thermal power generation is one of promising and well-proven ways to convert solar energy to electricity. Though it requires high initial cost for system construction and continuous efforts for maintainment. it is more positive in terms of efficiency than other solar power generation technologies. Moreover, solar thermal power generation allows additional benefits of cheap thermal storage and easy hybridization with other fossil fuel-driven power generation. Owing to these benefits, large scale solar thermal power generation technology is expected to be competitive to other commercial technologies in the near future. In this paper an overview on the solar thermal hybrid power generation technology and the state of the art in Korea were briefly introduced.

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The Auxiliary Power Compensation Unit for Stand-Alone Photovoltaic/Wind Hybrid Generation System (독립형 소형 태양광/풍력 복합발전시스템의 출력안정화를 위한 보조 전력보상장치개발에 관한 연구)

  • Park, Se-Jun;Yoon, Jeong-Phil;Kang, Byung-Bog;Yoon, Hyung-Sang;Cha, In-Su;Lim, Jung-Yeol
    • Journal of the Korean Solar Energy Society
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    • v.24 no.3
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    • pp.47-54
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    • 2004
  • Photovoltaic energy and wind energy are highly dependent on the season, time and extremely intermittent energy sources. Because of these reasons, in view of the reliability the photovoltaic and the wind power generation system have many problems(energy conversion, energy storage, load control etc.) comparing with conventional power plant. In order to solve these existing problems, hybrid generation system composed of photovoltaic(500W) and wind power system(400W) was suggested. But, hybrid generation system cannot always generate stable output due to the varying weather condition. So, the auxiliary power compensation unit that uses elastic energy of spiral spring was added to hybrid generation system for the present study. It was partly confirmed that hybrid generation system was generated a stable outputs by spiral spring was continuously provided to load.

Optimal Allocation Method of Hybrid Active Power Filters in Active Distribution Networks Based on Differential Evolution Algorithm

  • Chen, Yougen;Chen, Weiwei;Yang, Renli;Li, Zhiyong
    • Journal of Power Electronics
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    • v.19 no.5
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    • pp.1289-1302
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    • 2019
  • In this paper, an optimal allocation method of a hybrid active power filter in an active distribution network is designed based on the differential evolution algorithm to resolve the harmonic generation problem when a distributed generation system is connected to the grid. A distributed generation system model in the calculation of power flow is established. An improved back/forward sweep algorithm and a decoupling algorithm are proposed for fundamental power flow and harmonic power flow. On this basis, a multi-objective optimization allocation model of the location and capacity of a hybrid filter in an active distribution network is built, and an optimal allocation scheme of the hybrid active power filter based on the differential evolution algorithm is proposed. To verify the effect of the harmonic suppression of the designed scheme, simulation analysis in an IEEE-33 nodes model and an experimental analysis on a test platform of a microgrid are adopted.

Hybrid System of Solar Cell and Fuel Cell (태양광발전과 연료전지의 하이브리드 시스템)

  • Hwang, Jun-Won;Choi, Young-Sung;Lee, Kyung-Sup
    • The Transactions of the Korean Institute of Electrical Engineers P
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    • v.58 no.4
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    • pp.568-573
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    • 2009
  • Because of environmental crisis, researchers are seeking and developing a new, clean, safe and renewable energy. Solar cell energy and fuel cell energy have inestimable development potential. The paper introduces hybrid photovoltaic-fuel cell generation systems supplying a remote power load and hybrid system of solar cell and fuel cell considering the advantages of stable and sustainable energy from the economic point of view. Fuel cell power system has been proven a viable technology to back up severe PV power fluctuations under inclement weather conditions. Fuel cell power generation, containing small land us, is able to alleviate the heavy burden for large surface requirement of PV power plants. In addition, the PV-fuel cell hybrid power system shows a very little potential for lifetime $CO_2$ emissions. In this paper shows the I-V characteristics of the solar module which are dependent on the power of the halogen lamp and the I-V characteristics of fuel cells which are connected in parallel. Also, it shows efficiency of the hybrid system.

A study on solar-wind hybrid power generation system (태양광 및 풍력 하이브리드 발전 시스템에 관한 연구)

  • Oh, Jin-Seok;Jo, Kwan-Jun
    • Journal of Advanced Marine Engineering and Technology
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    • v.33 no.8
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    • pp.1226-1231
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    • 2009
  • In this paper, a solar-wind hybrid system is decsribed for Stand-Alone(SA) power generation system. Mostly SA power generation system for ocean facilities composes a solar system. Normally, the output power of solar system is decreased with weather condition as cloudy and rainy. Solar-wind hybrid system can be operated as complement system each other. In this paper, the characteristic simulation of solar and wind is performed by LabVIEW. The hybrid power generation system is designed according to simulation results, and is tested for checking the complement characteristic.

Gas Turbine and Fuel Cell Hybrid System for Distributed Power Generation (분산발전을 위한 가스터빈-연료전지 하이브리드 시스템)

  • Kim, Jae Hwan;Sohn, Jeong L.;Ro, Sung Tack;Kim, Tong Seop
    • 유체기계공업학회:학술대회논문집
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    • 2001.11a
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    • pp.354-360
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    • 2001
  • Hybrid energy system of fuel cell and gas turbine is discussed as the system to be used in the distributed power generation. Discussion is first directed to the distributed power generation system which is expected to be more popularly introduced both in urban and isolated areas. In the next some characteristic features of fuel cell and micro gas turbine are shortly described. In the last discussion is turn to the fuel cell and micro gas turbine hybrid system. In particular, performance characteristics of a representative SOFC/MGT hybrid system are investigated through the concept design at various power capacity levels.

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