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Output Characteristics of Photovoltaic According to Irradiation and Module Temperature
이영,최용성,장우새,이경섭 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.4
As a renewable and harmless energy, photovoltaic (PV) energy makes a substantial impact to the increasing and urgent power demand of modern society. However, solar energy is an extreme intermittent and inconstant energy source. In order to improve the photovoltaic system efficiency and utilize the solar energy more fully, it is necessary to study the characteristics of photovoltaic output power under different irradiation and module temperature. The results indicate that the solar irradiation has positive effect while the high module temperature has negative effect to the PV array.
이영(Ying Li),최용성(Young-Sung Choi),張尤賽(You-Sai Zhang),이경섭(Kyung-Sup Lee) 대한전기학회 2010 전기학회논문지 P Vol.59 No.1
The solar cells and fuel cells power are being encouraged to reduce the environmental pollution and combat the global warming. And the electric generation hybrid system is usually more reliable and less costly than the systems that use a single source of energy. HOMER provides a platform to design and simulate the power system and then to choose the optimization results. Based on the electricity demand conditions during a year, this paper simulates with the HOMER and performs the monthly average electrical production and the most feasible economical case includes the net present costs and the annualized costs of the hybrid system components.
Proof of Faraday' the 1st Law in a Combined System of Solar Cell and Fuel Cell
이영(Ying Li),최용성(Yong-Sung Choi),장우새(You-Sai Zhang),이경섭(Kyung-Sup Lee) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.10
Nowadays, the photovoltaic energy is suitable for many applications and used widely in many areas. Furthermore, as ideal new energy, the fuel cell only needs low maintenance and low operating cost. In this paper, the solar cell generates the power to the electrolyser to electrolyse the distilled water into hydrogen and oxygen. According to the relationship between the mass of hydrogen and oxygen released and the quantity of electricity, the Faraday's first law is verified in the combined system of the solar cell and fuel cell.