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    • 2. 发明授权
    • Power switching system
    • 电源开关系统
    • US06297569B1
    • 2001-10-02
    • US09223851
    • 1998-12-31
    • James I. BartelsRobert D. JuntunenPaul B. PattonRichard M. Solosky
    • James I. BartelsRobert D. JuntunenPaul B. PattonRichard M. Solosky
    • H01H326
    • H01H47/005Y10T307/747Y10T307/826Y10T307/944
    • A power controller has upstream and downstream switches in series connection to provide redundant switching for power supplied from a power source to a load. A switch operating system closes the switch closer to the load first (downstream) and then the switch closer to the source (upstream). The operating system conditions closing the downstream switch on absence of power voltage on an upstream power terminal of the downstream switch. A preferred embodiment of the operating system performs a number of real time status checks during the connection process to assure that power voltage is properly absent and present at switch terminals during the stages of the connection process. This operating system guards against supplying power to the load if either the upstream or downstream switch's pair of contacts are welded at the time the connection process starts.
    • 电源控制器具有串联连接的上游和下游开关,为从电源向负载提供的电力提供冗余开关。 开关操作系统首先(下游)将开关靠近负载,然后将开关靠近源(上游)。 操作系统在下游交换机的上游电源端口没有电源电压的情况下关闭下游交换机。 操作系统的优选实施例在连接过程期间执行多个实时状态检查,以确保在连接过程的阶段期间电源电压适当地不存在并且在开关终端处存在。 如果上游或下游开关的一对触点在连接过程开始时被焊接,该操作系统将防止向负载供电。