交直流混合微网中双向接口变换器控制综述  

Review of Control Strategies for Bidirectional Interfacing Converters in Hybrid AC/DC Microgrid

作　　者：王晓声[1] 孙凯[1] 李运帷[2] 

机构地区：[1]清华大学电力系统及大型发电设备安全控制和仿真国家重点实验室,北京100084 [2]加拿大阿尔伯塔大学电气与计算机工程学院

出　　处：《电源学报》2016年第2期70-79,共10页Journal of Power Supply

摘　　要：在交直流混合微网中,双向AC/DC接口变换器连接交直流母线实现子网之间的能量双向流动,其控制策略直接影响交直流混合微网的稳定运行。根据微电网的运行模式,接口变换器的控制可以分为并网控制和孤岛控制两大类。首先对交直流混合微网的结构进行了分析和讨论,随后分别介绍了并网模式和孤岛模式下单台接口变换器以及多台并联接口变换器的控制策略。最后对当前主要的控制方法进行了总结,并对未来双向接口变换器的研究方向进行了展望。In hybrid AC/DC microgrids, bidirectional AC/DC interfacing converters（IFC） are connected between AC and DC buses to fulfil bidirectional power flow between subgrids; its control strategy plays an important role in the stability of hybrid microgrids. Control strategies of IFC can be categorized into grid-connected mode and islanding mode according to operation modes of microgrids. The structure of hybrid microgrids is analyzed and discussed, and then the control strategies of one IFC and parallel IFC under grid-connected and islanding modes are introducted. These control strategies are summarized at last and the research direction of control for IFC in the future is forecast.

关 键 词：微电网 双向AC/DC变换器 并网运行 孤岛运行 

分 类 号：TM914.4[电气工程—电力电子与电力传动]