为了适应交流短路过渡焊接方法，焊接过程采用了全新的波形控制方案。
According to the theoretical study and combining to the analysis of actual welding waveform, a new and flexible ac short-circuit arc welding was brought up.
该算法可以滤去短路电流中的交流谐波分量，得到直流电流变化率的准确结果。
By this algorithm, the ac harmonic components of short-circuit current can be filtered, and the accurate DC current rate of change can be obtained.
作者根据自己工作经验，提出了交流电磁铁芯短路环的几种安装方式优缺点及工艺上应注意的问题。
On the basis of working experience, some vital problems concerning several mounting methods, merits and faults and the process of AC electromagnetic core of short circuit ring are mentioned.
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