适用于新能源高电压并网的电力电子拓扑.pdf

中国电源学会2012 国际电力电子创新论坛 International Power Electronics Innovation Forum 2012 适用于新能源高电压并网的电力电子拓扑 Power electronics topology for new energy connecting to high-voltage grid 吕征宇 eeluzy@cee.zju.edu.cn 浙江大学 电气工程学院 2012.03.20-21 1 中国电源学会2012 国际电力电子创新论坛 一、摘要 Power electronic converters in a key 电力电子变流器在新能源并网 position in the new energy connecting to 发电中处于一个关键的位置，它关 grid, it is related to a number of indicators of the reliability of new energy power 系到整个新能源发电的可靠性、发 generation, power quality, power generation 电质量、发电效率等多项指标。随 efficiency. With the new energy power generation is increasingly facing cost 着新能源发电日益面临成本的压力 pressures, the converter installation ，变流器效率的提升是提高性价比 efficiency improvement is an important 的重要举措，在这方面，电力电子 measure to improve the cost, in this regard, the power electronic circuit topology options 电路的拓扑选择就成为变流器设计 has become a key converter design. The 的一大关键。报告将介绍目前正在 report will present currently being used in a 使用的多种电力电子拓扑，以及适 variety of power electronics topology, as well as some mainstream topology for 合于高电压高效并网的一些主流拓 efficient connecting to high-voltage grid, 扑，对各种拓扑的优缺点给予一一 given the advantages and disadvantages of each topology evaluation, and pointed out 评价，并指出一些具有发展前景的 some prospects for the development of good 优良候选拓扑。