Results indicate that the method effectively raises the accuracy of faulty line detection for power system with small grounding current.
结果表明，该方法有效地提高了小电流接地选线的准确性。
Based on the characteristics of TMS320LF2407, this paper presents the application of DSP to single earth fault selection device with small current grounding system.
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。
Controllable saturated reactor is widely used in dynamic reactive power compensation, induction motor soft-starting and fault line selection of small current grounding system.
可控饱和电抗器在动态无功补偿、电机软启动、小电流接地选线等方面具有广阔的应用前景。
The equipment is applicable for the distribution network of small capacitance current, grounding through high resistance and the capacitance current of which varies greatly.
该装置适用于电网电容电流变化范围大、小电容电流、高阻接地的配电网系统。
The paper also discusses the application scopes of small current grounding, low resistance grounding and resonant grounding in different kinds of power distribution grids.
论证小电流接地系统低电阻接地和谐振接地方式对不同类型配电网的应用范围。
Combined with the research status of single-phase-to-ground fault locating for small current grounding system, a new idea based on non-fault-phase transient current is presented.
针对小电流接地系统单相接地故障定位的研究现状，提出基于非故障相暂态电流的单相接地故障定位的思想。
The test experimentations verify that the grounding measurement system of this paper can fulfill the demand of the small electric current test, and be applied to the engineering measurements.
通过现场测量证明本系统的测量精度到达小电流测试要求，可应用于实际工程测量。
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。
When grounding fault happens at the time when current is zero, the transient value is too small, in order to prevent it, the paper brings forward the current increment method to select faulty line.
为防止在电流过零点附近发生的接地故障时的暂态量太小，论文提出利用电流增量进行故障选线。
If single phase grounding fault is occurred, fault current is very small, so it can continue to run for 1~2 hours according to the protocol.
系统发生单相接地故障以后，因为故障电流很小，不至于影响系统的对称运行，所以按照规程可以继续运行1～2个小时。
Small Current Grounding Power System is widely used in power distribution network with middle and low voltage in china, and the single phase to ground fault takes place most frequently in such system.
提出了一种基于线路分布参数的小电流接地系统的高精度故障模型，用于分析单相接地故障产生的暂态信号特征及进一步完善基于暂态信息的小电流接地故障选线判据。
Small Current Grounding Power System is widely used in power distribution network with middle and low voltage in china, and the single phase to ground fault takes place most frequently in such system.
提出了一种基于线路分布参数的小电流接地系统的高精度故障模型，用于分析单相接地故障产生的暂态信号特征及进一步完善基于暂态信息的小电流接地故障选线判据。
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