过电流继电器是继电保护装置的一种，当负载电流超过整定值时，继电器动作。
An "Overcurrent relay" is a type of protective relay which operates when the load current exceeds a preset value.
少数情况属永久性故障，自动重合闸装置动作后靠继电保护动作再跳开，查明原因，予以排除在送电。
Limited circumstances permanent fault, automatic re-closing devices on the move after the opening relay action Zaitao to identify reasons, be excluded from the power supply.
应用浮点数据采集技术能够在较低成本下获得较宽的动态范围，这在微机继电保护装置中具有实用价值。
The applying of the float - point data acquisition technique can achieve wide dynamic scope with rather low cost, which is of practical importance to the computer relaying equipment.
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