Can reliably determine, within the community and bounds detection ma level and zero-sequence current phase short circuit fault current, automatic removal of single-phase ground fault and phase fault.
能可靠判断、检测界内与界外毫安级零序电流及相间短路故障电流，实现自动切除单相接地故障和相间短路故障。
User is able to set the ground fault trip current of the relay just milliamps above the highest level, to accurately measure the system charging.
使用者可将继电器接地故障跳闸电流设置为高于最高值几毫安，以准确测量系统充电。
On account of the weak fault current and unstable fault arc, the problems of the single phase to ground fault line selection in the non-solid earthed network have never been thoroughly resolved.
由于故障电流小、电弧不稳定等原因，小电流接地系统单相故障选线问题始终没有得到彻底解决。
The reduction of the residual current of the ground-fault point is beneficial to the extinction of the grounding arc and to the reduction of the intermittent arc grounding over voltage.
减小接地故障点的残流有利于接地电弧的瞬间熄灭及降低间歇性电弧接地过电压。
With high & reliable ground fault current breaking capacity;
具有高可靠的异向接地故障电流开断能力；
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。
The arc suppression coil with three phases and five columns can achieve automatic trace and compensation for ground fault capacitive current of power system by the method of rectifying i.
介绍了三相五柱式消弧线圈及其自动跟踪补偿原理，该消弧线圈在结构上突破了传统消弧线圈的模式，将传统的接地变压器和消弧线圈有机地结合成一个整体。
The study results reveal shown that the ground fault current will increase with the number of main transformer with neutral to be solidly grounded.
研究结果显示，主变压器的中性点接地与否及电缆遮蔽导体与互連导体对整体的接地系统故障特性有关键性的影响。
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。
Ground-fault protection characteristic curve, the adjustment step of the setting current Ir4 is 1A.
接地故障保护特性曲线，整定电流Ir4调整步长为1A。
Ground-fault protection characteristic curve, the adjustment step of the setting current Ir4 is 1A.
接地故障保护特性曲线，整定电流Ir4调整步长为1A。
应用推荐