time-overcurrent protection

The tripping device is basically divided into the instantaneous electromagnetic release and the time delay thermal release, which are used for protection of circuit from shortcircuit and overload respectively.

高压断路器弹簧操动机构分闸脱扣部分的改进断路器由瞬时动作的电磁脱扣器和延时动作的热脱扣器组成，分别用作线路的短路和过载保护。

Discussion on Division of Groundwater's Waterhead Protection Zone By Time Criteria

试论地下水水源保护区划分的时间标准

Many problems such as long time-delay, short life-span of thermocouple with protection tube, low accuracy of quick measuring thermocouple witch can not continuously work and low stability of mid-conductor thermocouple in uneven temperature fields have been effectively solved.

它有效地解决了保护管式热电偶滞后时间长、寿命短，快速测温偶测温精度不高、不能连续测温，中间导体式热电偶受温度场不均匀度影响较大的问题。

The method of modeling the action processes of protection relaying is proposed based on the extended time Petri net ( ETPN).

文中提出了一种基于扩展时间Petri网（ETPN）的继电保护装置动作过程建模方法；

At the same time, rulemaking can provide individuals with important protection.

同时, 规则制定可为个人提供重要的保障.