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智能变电站改建或扩建时,装置配置的修改或者增添新的装置会导致变电站配置描述(substation configuration description,SCD)文件需要进行改动,其中最主要的是与虚端子连接有关的。提出一种基于权限管理的虚端子修改的控制方法,在SCD文件中对已做过虚回路试验验证的虚端子连接加上已校验标志,当改建或扩建变电站修改SCD文件时,且需要修改虚端子连接时,就必须有相关权限人员认可方可修改验证过的虚端子连接。这可确保虚端子修改操作的正确性,实现对SCD文件版本变动的管控,降低SCD文件修改的风险。
When a smart substation is rebuilt or expanded, modification of the device configuration or addition of a new device may cause substation configuration description (SCD) files to be changed. The most important of them is related to the virtual terminal connection. This paper proposes a control method of virtual terminal modification based on rights management, adds the verified mark in the SCD file to the virtual terminal connection that has been verified by the virtual circuit test, and needs to modify when modifying or expanding the substation to modify the SCD file When the virtual terminal is connected, it must be authorized by the relevant authority to modify the verified virtual terminal connection. This ensures the correctness of the virtual terminal modification operation, controls the change of SCD file version, and reduces the risk of SCD file modification.