中频炉中与感应圈串并联的电容起什么作用?

中频炉的中频电源负载部分采用串联电容器的称为升压线路，采用并联电容器的称为平压线路。

What is the role of the capacitor in series and parallel with the induction coil in the induction melting furnace?

The intermediate frequency power load part of the induction melting furnace uses series capacitors called boost circuits, and parallel capacitors are called flat voltage circuits.

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