直流电源柜：三相可控硅整流桥（SCR）、计算机数字脉冲触发板、平波电感、L、C滤波器等组成。

DC power supply cabinet: three-phase silicon-controlled rectifier (SCR), computer digital pulse triggers plate, flat-wave inductor, L, C filter, etc.

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阐述了替代产品的选型过程，并介绍了新可控硅整流柜的性能。

The model selecting procedure of the substitute product is described, and the performance of the new SCR cabinet is introduced.

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