The wide application of Microcomputer Safety Interlock System (MSIS) guarantees the safety operation of the power system. However, generally the current MSIS cannot effectively manage temporary ground wires, whose usages often disorder or do not conform to the standard, thus causing accidents from occurring. The statistic date from SGCC (State Grid Corporation of China) indicates that 60% electrical misoperation accidents are related to temporary ground wires.
The ground wire supervisor is an intelligent electronic device (IDE) designed to manage temporary ground wires in substations or power plants. It can be either used separately or connected to a MSIS. The ground wire supervisor can not only solve the problem of unable to identify the temporary ground wire, but also real time query whether the ground wire is in store. It makes the management of ground wires follow the rule and standard and the operation records can be found. The device prevents random use of temporary ground wires, powerfully guaranteeing the safety operation of the power system.
Ground Wire Supervisor Host
On-site Installation Instance
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Product
Anti-maloperation
