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。
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.
该系统可以快速地判断故障点并作出及时处理，以保证设备的高效运行及全面安排检修计划。
The system is able to judge the fault and take countermeasures quickly for ensuring effective operation and scheduling maintenance plan.
还可以对故障时的数据进行判断，准确定位故障点，快速查出故障设备及故障出现的原因。
In addition, through the judgment of fault data the position where fault occurred can be accurately located, the faulty equipments and the reason causing the fault can be quickly ascertained.
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