一种双馈式风机并网的电能质量在线监测方法

摘要

为了研究分布式发电并网系统电能质量，针对双馈式风电机组，给出了一种电能质量在线监测方法。利用PSCAD仿真软件搭建模型，得到双馈式风机并网电能质量指标曲线，并对仿真数据进行分析。仿真结果表明，该方法能准确地反应双馈风机并网的电能质量，提高了仿真模型的准确性。%In order to study the power quality of distributed generation system, a power quality online monitoring method is given for the DFIG. The PSCAD simulation software is used to build model, and power quality index curve of grid-connected doubly fed wind turbine is got and the simulation data is analyzed. The simulation results show that the method can accurately response the power quality of grid-connected doubly fed wind turbine and improve the accuracy of the simulation model.