用电侧电气设备过负荷保护

Over load protection of electrical equipment on the load side

对用电侧电气设备与配电线路的常见故障过负荷的发生、危害及严重后果作了简要叙述,继而对这种故障的有效、常用的继电保护方式作了系统的叙述和剖析,并对各种保护方式进行比较、论述。

For common overload faults of the electrical equipment and distribution line on the load side, its occurrence, damage and serious consequences are briefly introduced, then the effective and commonly used ways of relay protection for such failure are described and analyzed, and these protection modes are compared and discussed.