风电机组变流器电流谐波水平案例分析

赵梓航; 王海云; 唐新安; 王佳

赵梓航,王海云,唐新安,王佳.风电机组变流器电流谐波水平案例分析[J].电测与仪表,2018,55(24):114-120.
ZHAO Zihang,WANG Haiyun,TANG Xinan,WANG Jia.Case study on current harmonics level of 1.5 MW direct-drive wind turbines[J].Electrical Measurement & Instrumentation,2018,55(24):114-120.

风电机组变流器电流谐波水平案例分析

Case study on current harmonics level of 1.5 MW direct-drive wind turbines

DOI：

中文关键词: 直驱风电机组变流器电流谐波间谐波高频分量

英文关键词:direct-drive wind turbines,converter,current harmonics,interharmonics,higher frequency components

基金项目:自治区重点实验室开放课题(2016D03021)；自治区重点研发任务(2016B02019)

作者中文名	作者英文名	单位
赵梓航	ZHAO Zihang	新疆大学电气工程学院
王海云	WANG Haiyun	新疆大学电气工程学院
唐新安	TANG Xinan	北京金风科创风电设备有限公司
王佳	WANG Jia	北京金风科创风电设备有限公司

摘要点击次数: 1691

中文摘要:

直驱机组全功率变流器的使用,一定程度上影响了机组馈入电网的电能质量。针对两类1.5MW直驱并网风力发电机组,从整机角度上描述了机组配置,比较了I型变流器、II型变流器的拓扑结构与控制原理。依据IEC标准检测方法,通过现场实测,对比研究了这两类机组电流谐波、间谐波、高频分量的释放水平及特征。结果表明,变流I型、变流II型机组电流谐波释放水平均符合并网要求,变流I型机组电流谐波水平2.52%低于变流II型机组3.44%。

英文摘要:

The use of full size power converter for direct-drive wind turbines has an impact on the power quality of grid. This paper presented the configuration of two types of 1.5MW permanent magnet direct drive grid-connected wind turbines. The topologies and control strategies of converter I and converter II system are also compared. According to IEC measurement methods, the emission levels and characteristics of current harmonics, interharmonics and higher frequency components are measured and studied in field tests. The test results show that the emissions of current harmonics is in compliance with the grid code requirements, and the current harmonics level of wind turbine with converter I is 2.52% lower than 3.44% of wind turbine with converter II.

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