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发明公开
CN109130959A 一种用于专用轨及4轨供电系统的负地单向导通装置 无效 - 驳回

一种用于专用轨及4轨供电系统的负地单向导通装置
摘要：
本发明公开了一种用于专用轨及4轨供电系统的负地单向导通系统，包括二极管、电流测量报警电路、隔离开关、压敏电阻和阻容吸收回路，负极与接地母排之间串入所述二极管、电流测量报警电路以及隔离开关，在所述二极管及所述电流测量报警电路两端并联压敏电阻以及阻容吸收回路。本发明取消传统单向导通装置中串联于二极管回路的熔断器，通过采用大容量二极管及均流技术，并采用冗余设计，大幅提高装置的额定电流及短路耐受能力和可靠性。
摘要（英）：

The invention discloses a negative ground single conduction system for a special rail and a 4-rail power supply system, comprising a diode, a current measurement alarm circuit, an isolation switch, avaristor and a resistance-capacitance absorption circuit, wherein the diode is connected in series between the negative electrode and the ground bus bar, the current measurement alarm circuit and theisolation switch, and the varistor and the resistance-capacitance absorption circuit are connected in parallel between the two terminals of the diode and the current measurement alarm circuit. The invention eliminates the fuse connected in series with the diode circuit in the traditional single conduction device, adopts the large-capacity diode and the current sharing technology, and adopts the redundancy design, thereby greatly improving the rated current and the short-circuit endurance ability and reliability of the device.

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