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A novel fault localizer of tree form distribution networks based on an improved S injection method
Author(s): 
Pages: 51-54
Year: Issue:  10
Journal: RELAY

Keyword:  树状配电网注入法故障定位;
Abstract: 介绍一种基于注入法原理进行低压树状配电网接地故障定位的新装置.装置由恒流信号电源和信号检测装置两部分组成.在恒流信号电源部分控制系统的设计中采用了闭环PID直流反馈控制和引入了非线性环节,因此能在负载大范围波动的情况下保持注入电流频率恒定和幅值恒定,可靠性高.信号检测部分采用了编码、高阶滤波等技术.该装置工作可靠、灵敏度高、抗干扰性强、携带方便且操作容易,能广泛适用于复杂树状配电网的故障检测.
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