The invention discloses an overhead line electric locomotive anti-electric shock device based on a PLC architecture, the device is installed in an electric locomotive rectifier cabinet, the rectifier cabinet is internally divided into three parts, and the three parts are respectively a main circuit switch part, a transformation rectification part and a control part. The interior of the rectifier cabinet is divided into three connection areas according to the arrangement of components, and the first connection area is connected with a switching power supply, a PLC, an air switch, a control transformer, an intermediate relay KA1 and other components from left to right. The second connection area is connected with an isolation switch, an over-current relay, a fast-melting fuse and other components from left to right. The third connecting area is composed of a rectifier tube, a main transformer and other components which are electrically connected through connecting wires.
本发明公开了一种基于PLC架构的架线电机车防触电装置,本装置安装在电机车整流柜中,所述整流柜内部分为三部分,三部分分别为主电路开关部分,变压整流部分,控制部分。整流柜内按元器件布置分为三个连接区,所述第一连接区上由左至右分别连接有开关电源、PLC控制器、空气开关、控制变压器、中间继电器KA1等元器件;所述第二连接区上由左至右分别连接有隔离开关、过流继电器、快熔保险等元器件;所述第三连接区由整流管、主变压器等元器件,上述元件通过连接线电性连接。
Electric shock prevention device for overhead line electric locomotive based on PLC architecture
一种基于PLC架构的架线电机车防触电装置
2023-04-28
Patent
Electronic Resource
Chinese
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