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电网技术  2010 

基于中国国家标准和IEC标准的谐波及间谐波测量方法

, PP. 46-51

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Abstract:

中国国家标准GB/T17626.7—2008和IEC61000-4-72002标准推荐了新的谐波与间谐波测量方法。介绍了国家和IEC新标准推荐方法与传统谐波、间谐波检测方法的不同,从频谱泄漏、测量精度等角度分析了新方法的特点,针对其不足提出了改进措施。采用传统方法、新推荐方法及其改进方法,对多种典型信号进行了仿真测量。仿真结果表明,推荐方法适用于非平稳信号的谐波、间谐波测量,改进措施可以进一步保障各种情况下的测量精度。推荐方法及其改进方法与传统方法相比,更适于实际工程中的复杂谐波与间谐波的测量。

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