• 제목/요약/키워드: Hybrid solar cell

검색결과 133건 처리시간 0.03초

Performance of Wind-Photovoltaic Hybrid Generation System

  • Oh Jin-Seok
    • Journal of Advanced Marine Engineering and Technology
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    • 제29권3호
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    • pp.319-324
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    • 2005
  • This paper reports the performance of Wind-PV(Photovoltaic) hybrid system. The output power of PV is affected by the environmental factors such as solar radiation and cell temperature. Also, the output power of wind system is generated with wind power. Integration of Wind and PV resources, which are generally complementary, usually reduce the capacity of the battery. This paper includes discussion on system reliability, power quality and effects of the randomness of the wind and the solar radiation on system design.

Grid Independent Photovoltaic Fuel-Cell Hybrid System: Design and Control Strategy

  • Islam Saiful;Belmans Ronnie
    • KIEE International Transaction on Electrical Machinery and Energy Conversion Systems
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    • 제5B권4호
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    • pp.399-404
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    • 2005
  • In this paper, a hybrid photovoltaic fuel-cell generation system employing an electrolyzer for hydrogen generation and battery for storage purpose is designed and simulated. The system is applicable for remote areas or isolated DC loads. Control strategy has been considered to achieve permanent power supply to the load via the photovoltaic/battery or the fuel cell based on the power available from the sun. MATLAB and SIMULINK have been used for the simulation work. A sensitivity analysis is conducted for various load level based on availability of solar radiation.

Progress in hybrid greenhouse solar dryer (HGSD): A review

  • Singh, Pushpendra;Gaur, Manoj K.;Kushwah, Anand;Tiwari, G.N.
    • Advances in Energy Research
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    • 제6권2호
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    • pp.145-160
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    • 2019
  • The world population reaches to about 7.7 billion in 2018 from 6.2 billion in 2000. This much growth in population results in increased energy demand and increased food supply. As the conventional energy sources are limited. These may deplete soon if consumed at this rate. So, the world is switching towards the utilization of non-conventional sources of energy. Energy from sun is the best method as it can not only solve the energy issue but also helps in meeting food demand by conserving it. Greenhouses are made for the purpose of food conservation. Various types of solar dryers are developed by researchers till now and still the effort is being putted to make them more efficient. Hybrid greenhouse is also effort toward utilization of solar energy in more efficient way. The paper presents the heat and mass transfer analysis of hybrid greenhouse solar dryer developed by different researchers till now. The review helps the researcher in understanding the heat and mass transfer taking place inside the hybrid greenhouse and how it can be further improved.

로봇용 연료전지 이차전지 하이브리드 시스템 연구 (The study of proton exchange membrane fuel cell and Li-poly battery hybrid system)

  • 권오성;이상철;이상우;이동하
    • 한국태양에너지학회 논문집
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    • 제32권spc3호
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    • pp.282-288
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    • 2012
  • Proton exchange membrane fuel cell (PEMFC) is the most promising energy source for the robot applications because it has unique advantages such as high energy density, no power drop during operating, and easy to make compact size. However, PEMFC has intrinsic disadvantages which are delay to start up and difficulty to correspond drastic load changes. These disadvantages can be compensated by hybrid operating with a Li-poly battery. This study is focus to build and understand the hybrid system for the robot system. In this study, we build the PEMFC hybrid system using EOS-320 PEMFC stack, Li-poly battery and G-Philos FDX1-250BU dc-dc converter. The hybrid system is accurately monitored by CAN and RS485. The system was studied under two conditions such as non-loaded and loaded operating conditions. The results show that the system has delay to start up without hybrid operating and it can be compensated with the hybrid operating.

염료감응형 태양전지의 효율 향상을 위한 하이브리드 구조 광전극의 코팅특성 (Coating Property of Hybrid Structured Photo-Electrode to Increase Dye-Sensitized Solar Cells Efficiency)

  • 김민희;이형우;정영근
    • 한국분말재료학회지
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    • 제17권6호
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    • pp.449-455
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    • 2010
  • The hybrid structured photo-electrode for dye-sensitized solar cells was fabricated based on the composites of $TiO_2$ nanoparticles and nanowires. Three samples with different hybrid structures were prepared with 17 vol%, 43 vol%, and 100 vol% nanowires. The energy conversion efficiency was enhanced from 5.54% for pure nanoparticle cells to 6.01% for the hybrid structure with 17 vol% nanowires. For the hybrid structured layers with high nanowires concentration (43 vol% and 100 vol%), the efficiency decreased with the nanowire concentration, because of the decrease of specific surface area, and of thus decreased current density. The random orientations of $TiO_2$ nanowires can be preserved by the doctor blade process, resulted in the enhanced efficiency. The hybrid structured $TiO_2$ layer can possess the advantages of the high surface area of nanoparticles and the rapid electron transport rate and the light scattering effect of nanowires.

반도체형 고분자를 이용한 태양전지섬유 (A solar Cell Fiber using Semi-conductive Polymers)

  • 송준형;김주용
    • 한국염색가공학회지
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    • 제20권1호
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    • pp.44-47
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    • 2008
  • Organic semi-conductive materials have characteristics such as the advantages of easy formability, low-cost and diversity along with moderate semi-conductive properties. In this paper, we developed a flexible organic-inorganic hybrid solar cell fiber. First, we made a solar cell on the glass and attached the solar cell on the glass fiber similarly. In the latter case, thermal deposition method was employed in order to effectively apply ITO onto fiber surface. The amount of ITO was controlled by varying the temperature from 25, 150 to $300^{\circ}C$. Optimum result was obtained at $150^{\circ}C$ where maximize the deposition amount without significant decomposition of ITO. Despite of maximum open circuit voltage of 0.39V, the resulting current was quite unstable and weak, limiting realistic applications. It was, however, concluded that the flexible solar cell fiber developed showed a possibility of low-weight application from functional clothing for military to space suit mainly due to flexibility and thus wear ability.

태양전지와 연료전지의 결합발전 시스템

  • 이영;최용성;장우새;이경섭
    • 한국전기전자재료학회:학술대회논문집
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    • 한국전기전자재료학회 2009년도 추계학술대회 논문집
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    • pp.139-139
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    • 2009
  • As ideal new energy, solar cell has renewable and inexhaustible characteristics and the fuel cell only needs low maintenance and low operating cost. This paper introduces hybrid system of solar cell and fuel cell considering the advantages of stable and sustainable energy from the economic point of view. Then the paper shows the I-V characteristics of the solar module which are dependent on the power of the halogen lamp and the P-I and I-V characteristics of fuel cells which are connected in parallel and series.

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전기추진 비행기용 하이브리드 추진시스템 패시브 전력제어 하드웨어 시뮬레이션 (Hardware passive power control simulation of hybrid propulsion system for electric propulsion aircraft)

  • 박부민;이강엽;황오식;김영문;김춘택
    • 한국추진공학회:학술대회논문집
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    • 한국추진공학회 2011년도 제37회 추계학술대회논문집
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    • pp.544-547
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    • 2011
  • 한국항공우주연구원에서 개발 중인 중형 전기추진 무인기의 추진시스템에 대하여 하드웨어 통합 패시브 전력제어 시뮬레이션을 수행하였다. 이 추진시스템은 태양전지, 연료전지 및 배터리를 통합하여 전력원으로 사용하는 하이브리드 시스템이다. 연료전지는 I-V 커브를 모사하는 모사기를 제작하여 사용하였으며, 나머지 구성품들은 실제 탑재품들을 사용하였다. 시험 결과 각 전력원들은 요구전력 변화에 대해서 고유의 특성을 보이면서 원활히 동작되며, 안정적으로 운전됨을 확인하였다.

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태양광.풍력 복합발전시스템 특성분석 (Inquiry of Photovoltaic/Wind Hybrid Generation System)

  • 정영석;이병구;강기환;소정훈;정명훈;송진수
    • 전력전자학회:학술대회논문집
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    • 전력전자학회 1999년도 전력전자학술대회 논문집
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    • pp.419-422
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    • 1999
  • This paper deals with stand-alone Photovoltaic system(SPVS) with charger/discharge controller. Main power source of SPVS are generally solar cel and battery. Therefore SPVS can be classified into variable types in accordance with connection type between battery and solar cell. SPVS with charger/discharge controller which can operate solar cell a maximum power point is suggested and designed with instantaneous controller. And system operating characteristics are verified by experiment with a laboratory prototype in this paper.

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