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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针对工程中对直流电源屏的设计需要，简要介绍了高频开关整流电源直流系统的选择。

According to the design demand of DC power supply panel in engineering, this paper introduces the selection of rectification DC rectification power system with high-frequency switch.

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实践表明，压敏电阻作直流电源的整流器的保护元件优于二极管。

Practice shows that pressure sensitive resistance as a protective element of rectifier for D. C. supply is preferable to diode.

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