根据TMS320 LF 2407的特点，介绍了DSP在小电流接地系统单相接地选线装置中的应用。
Based on the characteristics of TMS320LF2407, this paper presents the application of DSP to single earth fault selection device with small current grounding system.
本文介绍了一种小电流系统单相故障接地选线的新方法即遥感式选线装置的原理及应用。
This paper introduces principle and application of a new method circuit selection for small current system when single phase grounding failure happens, namely remote sensing circuit selection device.
本文对几种常用接地选线装置的原理进行了分析，都存在不能园满解决小电流接地系统单相接地的选线问题。
The paper analyses the theory of some line-selecting earthing devices, they are unable to solve the problem of single-phase earthing line-selecting in petty current earthing system satisfactorily.
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