但是，当消弧线圈工作于不同的抽头时，其等效阻尼电阻将发生变化。
The equivalent damp resistance changes with the variety of the tap of arc-suppression.
中间抽头变压器由于两个副边线圈是分时工作，其线圈损耗模型不同于无抽头原副边线圈同时工作的变压器。
The winding loss model of central-tapped transformer in SMPS is different from that of the non-tapped transformer because the two secondary windings work in different time intervals.
抽头式电源，用转换开关改变初级线圈匝数来调节焊接电压，因此性能十分可靠，维修亦简便。
Plug-type power, user the transfer switch to change the initial step coils adjust The welding voltage. Thus the performance is reliable and maintenance id very simple.
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