人们知道，极端情况——包括太阳日冕的大量物质喷发——会破坏地球的供电线路，从而引发大面积停电。
Extreme events - including massive ejections of material from the sun's corona - have been known to disrupt power lines and trigger widespread blackouts on earth.
这样做的好处是，一旦某一线路发生短路或其他问题时，停电的范围小，不会影响其他几路的正常工作。
The advantage of this is that once a short circuit or other problems occur, the scope of the power outage is small, will not affect the normal work of other roads.
数以千计的树木被连根拔起，电话线路中断，南部的所有通话服务中止，国内四分之一的地方停电。
Thousands of trees were uprooted, telephone lines were cut, all rall services in the south were stopped, and a quarter of the country lost its electricity.
为保证电力系统的安全可靠运行，使之对已停电的线路或设备快速自动恢复供电。
To guarantee electric power system running safely, make it quickly resume power supply to the line and equipment being power cut.
2008年初，南方发生罕见的覆冰严重自然灾害，导致输电线路严重复冰，发生了大面积倒塔长时间停电事故。
At the beginning of 2008, an infrequent and serious ice cover disaster in the South resulted in bad ice transmission lines, large-scale collapsed tower and long-playing power breakdown.
因此，小电流接地系统线路故障的快速自动定位对于提高供电可靠性、减少停电损失具有重要的意义。
Therefore, locating fault position fastly and automatically is significant to improve the power supply reliability and reduce the outage loss.
加强传输线路的建设可以有效减少停电频率，进而降低系统的运行风险；
The blackout frequency can be effectively reduced by strengthening the construction of transmission lines, and then risk of system operation can also be reduced.
为此，提出了调度员在输电线路跳闸、变压器跳闸、母线故障及变电站全停电的一些处理方法，并举例给予说明。
In this paper, the author illustrates some treating methods for trip of transmission lines and transformers, bus failures as well as overall service interruption in substations.
架空线路单位长度的停电数要比地下电缆的多，但停电持续时间短。
Overhead lines have more outages than underground cable per unit length, but the outages are usually shorter in duration.
得出了接地线位置和其电阻的大小是影响停电线路上感应电压大小的重要因素的结论。
The conclusion is that the position of ground wire and the value of earth connection's ground resistance are two of the most important factors.
1988年8月6日，由于母线差动保护误动作使线路故障扩大，造成了贵阳电网瓦解的大面积停电事故。
On August 6th 1988, in Guiyang Power System, a line fault was extended to a cascade shutdown accident because of the mal-operation of a busbar differential protection.
线路绝缘子污闪问题日益突出，表现为污闪次数的增加、面积的扩大，与雷害并列为造成停电事故的主要原因。
The problem of insulator pollution flashover in power lines is increasingly serious, because of increasing times and extending areas of flashover.
高压输电线路故障的准确定位，能够缩短故障修复时间，提高供电可靠性，减少停电损失。
By accurate fault location, we can cut down time to repair lines, bring up power supply reliability and reduce lost.
高压输电线路故障的准确定位，能够缩短故障修复时间，提高供电可靠性，减少停电损失。
By accurate fault location, we can cut down time to repair lines, bring up power supply reliability and reduce lost.
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