新能源分布式发电系统并网与离网运行的柔性切换技术  

Flexible Switching Technology of New Energy Distributed Generation System While Connecting and Disconnecting to the Grid

作　　者：盛建科[1] 曾嵘[1,2] 年珩[2] 佘岳[1] 徐凤星[1] 

机构地区：[1]南车株洲电力机车研究所有限公司,湖南株洲412001 [2]浙江大学电气工程学院,浙江杭州310027

出　　处：《大功率变流技术》2012年第2期30-34,54,共6页HIGH POWER CONVERTER TECHNOLOGY

摘　　要：研究了新能源分布式发电系统并网模式下的输出电流控制、离网模式不平衡与非线性负载下的输出电压控制、电网故障下离/并网运行的柔性切换技术,提出了一种实现离/并网柔性切换的控制策略,实验验证了所提方法的技术可行性。It researches the control strategy of output current of the new energy distributed generation system connected to grid,the quality control of output voltage of the power generation disconnected to grid with unbalanced and nonlinear load and flexible switching operation on connecting and disconnecting to the grid when voltage faults occur.A control strategy is proposed to realize the flexible switching and its feasibility is validated by experimental results.

关 键 词：分布式发电 并网 离网 比例积分谐振控制器(PIR) 柔性切换 

分 类 号：TM76[电气工程—电力系统及自动化] TM464