Harmonic content has become an important symbol of power quality. So, harmonic measurement in power system is of important significance.
谐波含量已经成为衡量电能质量的重要参数，对供电系统中的谐波检测具有重要的意义。
参考来源 - 基于小波变换的电力谐波参数测量方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
So, when you use a lot of VFDs, you really should look at the total harmonic content.
所以，如果你采用了大量的变频器，就确实需要查看一下谐波电流的总量。
In both cases, the harmonic content of the input current have been evaluated analytically.
对两种情况下的输入电流谐波成分进行了动态分析。
Adjust the frequency, volume, and harmonic content and you can see and hear how the wave changes.
调整频率、体积和谐波内容，你就可以看到和听到波是怎么变化的。
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