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Generation systems based on renewable energies have been receiving much attention due to the problems of the global warming and the Great East Japan Earthquake. There are various types of generation systems based on renewable energies, some of which have been operating commercially such as hydro power generation, geothermal power generation, wind power generation, solar power generation, biomass power generation, etc., but the others are under investigation such as wave power generation and current power generation. In most of these systems except solar power system, electricity generation is performed by using generators. However, constitution of generator, drive system, and their control system can vary in each of those systems depending on the feature of driving power. This technical report presents research results about kind, structure and ratings of generators, structure of drive systems, operating conditions, etc., in generation systems based on the renewable energies. This report is composed of the following chapters: Chapter 2 - Wind Power Generation, Chapter 3 - Micro Hydro Power Generation, Chapter 4 - Ocean Energy Generation, Chapter 5 - Biomass Power Generation, and Chapter 6 - Geothermal Power Generation. |
