配电网电力电子变压器仿真研究  

Research on the Simulation of the Power Electronic Transformer in the Distribution Network

作　　者：廖国虎 袁旭峰[1] 邱国跃[1] 

机构地区：[1]贵州大学电气工程学院,贵阳550025 [2]贵州电力试验研究院研究生工作站,贵阳550005

出　　处：《电测与仪表》2014年第17期35-41,共7页Electrical Measurement & Instrumentation

基　　金：国家自然科学基金资助项目(510670001);贵州省科技厅重点实验室资助项目(黔科合计Z字[2010]4002)

摘　　要：电力电子变压器是一种多功能的新型智能变压器,其最大特点是体积小重量轻、能改善电能质量和具有灵活的输电方式,是建设绿色电网和数字电网的重要设备之一,目前正受到越来越多学者们的关注。首先简要阐述了电力电子变压器的发展以及研究的必要性;其次,介绍了AC/DC/AC型电力电子变压器的工作原理及其拓扑结构;然后,对电力电子变压器控制器进行了设计和仿真分析,仿真结果表明,所设计的电力电子变压器具有传统变压器所不具备的许多独特性能,且达到了较理想的效果;最后进行了总结并分析了今后电力电子变压器发展将要面临的挑战。The power electronic transformer is a new type of intelligent transformer with multiple functions .Its biggest feature is that it has a small size and light weight and it can improve power quality and has a flexible way of transmis -sion.The power electronic transformer is one of the most important equipment in the construction of green power and digital power grid , which has attracted the concern of more and more scholars .This paper first introduced the develop-ment of the power electronic transformer and the necessity of the research on it;Secondly , this paper introduced the working principles and topological structures of AC/DC/AC types of power electronic transformers;Then, the control-ler of the power electronic transformer was designed and simulated .The simulation results show that the proposed pow-er electronic transformer has many unique properties which the traditional transformer does not possess , and it has a-chieved an ideal effect.Finally, the paper summarized the research and analyzed the challenges the future develop -ment of the power electronic transformer would face .

关 键 词：电力电子变压器 解偶控制 电能质量 高频方波 功率因数 

分 类 号：TM93[电气工程—电力电子与电力传动]