But the line selection device base of these fault line selection principle, didn't have the reliability and veracity of apply in the power system.
但是根据这些故障选线原理制造的选线装置，还不具备在电力系统中推广应用的可靠性和准确性。
An incorporate device of automatic arc-suppression coil and grounding fault line selection based on modularity structure was developed to improve its reliability and flexibility.
为提高可靠性和使用的灵活性，开发了一种模块化结构的自动消弧线圈及接地选线成套装置，给出了二者的硬件设计和接地故障子程序设计。
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