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引言近年来,随着世界经济和能源结构的发展与变化,小水电已愈来愈引起许多国家的注意。在我国,由于小水电在发展地方工农业生产、加速实现农业现代化,以及建设农村的社会主义物质文明与精神文明中,发挥了英特有功效与重要作用,同时也取得了不少宝贵甚至具有国际意义的经验,从而更加受到人们的注目与重视。但对于中小型水电机组的励磁方式等技术性问题,目前国内尚缺乏系统、深入的专题性研究,还未能形成较统一的见解或一致性意见,这在一定程度上也影响了小水电的迅速发展及重要作用的
Introduction In recent years, with the development and changes in the world economy and energy structure, small hydropower has drawn more and more attention from many countries. In our country, small hydropower plays an important and special role in the development of local industrial and agricultural production, accelerated agricultural modernization and the construction of socialist material civilization and spiritual civilization in rural areas. At the same time, it has also made a lot of valuable and even international Meaning of experience, which is even more people’s attention and attention. However, for technical problems such as the excitation mode of small and medium hydropower units, there is still a lack of systematical and in-depth monographic research in China, and yet a unified opinion or consensus opinion has not been formed yet, which has also affected the rapid development of small hydropower plants to a certain extent Development and important role