基于电流滞环跟踪控制的三相光伏并网系统  

Three-phase Photovoltaic Grid-connecting System Based on Current Hysteresis-band Tracking Control

作　　者：吴玉蓉[1] 周朝坤 薛勇[1] 

机构地区：[1]武汉纺织大学电子信息工程学院,武汉市430073 [2]湖北华电襄樊发电有限公司,湖北省襄樊市441414

出　　处：《电力建设》2010年第9期14-17,共4页Electric Power Construction

基　　金：湖北省科技攻关计划项目(2007AA101C69)

摘　　要：分析了三相光伏并网系统的主电路结构,提出了一种电流滞环跟踪控制的三相光伏并网系统。该系统具有稳定性好、电流跟踪性能好,响应快、不需要载波,能够实现功率因素为1的并网电流输出。在MATLAB环境下,开发了三相并网系统仿真模型,仿真结果验证了所提出控制方案的正确性。On the basis of an analysis of the main circuit structure of the three-phase photovoltaic grid-connecting system,this paper puts forward three-phase photovoltaic grid-connecting system based on current hysteresis-band tracking control,which has advantages of good stability,good current tracking performance,fast response,no carrier and can obtain the united power factor of grid-connecting current.A three-phase grid-connecting system simulation model is developed in MATLAB environment and the simulation results have demonstrated the feasibility of the design.

关 键 词：太阳能发电 光伏并网 电流滞环控制 建模 仿真 功率因素 

分 类 号：TM615[电气工程—电力系统及自动化]