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发明公开
CN107516877A 小电阻接地系统故障保护装置、系统和方法 有权 转让

小电阻接地系统故障保护装置、系统和方法
摘要：
本发明涉及一种小电阻接地系统故障保护装置、系统和方法。一种小电阻接地系统故障保护装置，包括：检测模块、第一跳闸模块、重合闸模块和第二跳闸模块；所述检测设备、第一跳闸设备、重合闸设备和第二跳闸设备均设于小电阻接地系统的配电房中各级配电线路的开关处。上述小电阻接地系统故障保护装置、系统和方法，通过在各配电房中各级配电线路的开关处设置检测设备、第一跳闸设备、重合闸设备和第二跳闸设备，使线路发生故障时，能够通过检测设备、第一跳闸设备、重合闸设备和第二跳闸设备之间的配合准确地定位到故障点，进而将故障点进行隔离。
摘要（英）：

The invention relates to a fault protection device, a system and a method of a small resistance grounded system. A fault protection device of the small resistance grounded system comprises a detecting module, a first tripping module, a reclosing module and a second tripping module; the detecting module, the first tripping module, the reclosing module and the second tripping module are arranged at a switch of every grade of power distribution line in a power distribution room of the small resistance grounded system. According to the fault protection device, the system and the method of the small resistance grounded system, the fault point can be exactly positioned through cooperation among the detecting module, the first tripping module, the reclosing module and the second tripping module arranged at the switch of every grade of power distribution line in every power distribution room when the circuit goes wrong, thus the fault point is isolated.

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