The measuring method of the frequency characteristic of harmonic losses in convertor transformers is presented. The measuring results in a convertor transformer are given and are analyzed.
介绍了一种实际测量换流变压器谐波损耗频率特性的方法，给出了在一台换流变压器上的实际测量结果。
In frequency analysis of rotating arc signal, the phase of harmonic characteristic reflects the initial Angle between weld direction and seam's direction.
在旋转电弧信号的频域分析中，其特征谐波的相位反映了焊缝方向与焊接方向的初始夹角。
So harmonic current should be suppressed firstly rather than harmonic voltage. The harmonic characteristic on the network side and the ac side of medium-frequency power supply is analyzed.
分析了电网侧和中频电源交流侧的谐波特性，并针对中频电源提出了几种谐波抑制措施。
So harmonic current should be suppressed firstly rather than harmonic voltage. The harmonic characteristic on the network side and the ac side of medium-frequency power supply is analyzed.
分析了电网侧和中频电源交流侧的谐波特性，并针对中频电源提出了几种谐波抑制措施。
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