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Online monitoring of cable metal sheath current

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Overview
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Cable metal sheath grounding current monitoring is achieved by installing a grounding current collection device on the grounding wire of the cable sheath, effectively monitoring the leakage status of the grounding current, and achieving real-time monitoring of the cable grounding current through the grounding current collection main station installed in the monitoring center; Once a cable failure occurs, causing an increase in ground leakage current, the system will immediately issue an alarm to prompt relevant personnel to handle the cable fault in a timely manner.

Overview
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System composition
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The protective layer grounding current monitoring unit mainly consists of current transformers, acquisition devices, industrial control computers, and background protective layer current monitoring software.

Collection device: The collection mainly realizes the induction and collection of grounding current, and transmits the collected data back to the upper software through the communication link;

Communication link: mainly used to connect the acquisition device with the upper software system, and can form a communication link through 485 bus and industrial Ethernet;

Upper level software system: mainly composed of industrial computers, protective layer current upper level software, printers and other auxiliary equipment.

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System composition
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Safety Service

Collection device: The collection mainly realizes the induction and collection of grounding current, and transmits the collected data back to the upper software through the communication link;

Communication link: mainly used to connect the acquisition device with the upper software system, and can form a communication link through 485 bus and industrial Ethernet;

Upper level software system: mainly composed of industrial computers, protective layer current upper level software, printers and other auxiliary equipment.

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