微网(microgrid)技术可以有效整合新能源及可再生能源发电--分布式发电的优势,同时为新能源及可再生能源并网发电规模化应用提供了新的技术途径.微网不仅能够有效提高能源的梯级综合利用效率,而且可作为主电网的有效互补电网,提高供电可靠性和电能质量,是国内外电气工程研究领域的最新前沿课题之一.文中对微网的概念、基本结构及其工作原理进行了详细阐述,并分析了微网的基本运行方式和控制策略.同时对国外不同特点的典型微网示范工程及实验测试系统进行了分析.最后,详细阐述了中国微网技术研究现状与动态,结合中国实际情况论述了中国特色微网的建设,给出了微网技术中有待研究的重要课题.
Microgrid integrates the advantages of power generation from new energy and renewable energy-distributed generation effectively and provides a new way for large scale new energy and renewable energy power generation systems connected to the grid.Microgrid can not only enhance the comprehensively cascaded utilization of energy,but also can be used as an effective complementary network of the utility in order to improve the power supply reliability and power quality.Microgrid is becoming one of the most up-to...