| Summary: | 碩士 === 國立中央大學 === 光電科學與工程學系 === 101 === As the decreasing of energies such as fossil fuel, the energy price is getting higher herewith serious issues of pollution, the greenhouse effect, and climatic anomalies. On March, 2011, the Fukushima Daiichi nuclear disaster in Japan injured thousands of people to increase the safety concern of nuclear. Besides, the treatment of nuclear waste is still a big problem. Renewable energies such as solar power, wind power, and geothermal power, are good solutions to substitute those non-renewable resources. For the lack of natural resources in Taiwan, the renewable resources are more important. Solar power is the best solution since it exits everywhere. The fabrication technology of solar cells is similar with the one of semiconductors, which is mutual in Taiwan.
In this research, a mono-crystalline silicon photovoltaic system and a poly-crystalline silicon photovoltaic system were build to analyze their performances and connected to commercial DC-to-AC (D/A) inverters in real environment. These D/A inverters were developed with maximum power point tracking (MPPT) function. The AC power generated from the photovoltaic systems was transferred from DC powers to the on-grid system directly. A LabView program was developed to record the generated powers and the temperatures of solar modules. The final results were calculated including the data of solar irradiance provided by the Department of Atmospheric Science of National Central University. In the analysis we can understand the relationships between photovoltaic module temperature, solar irradiance, and efficiency.
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