使用者可将继电器接地故障跳闸电流设置为高于最高值几毫安,以准确测量系统充电。
User is able to set the ground fault trip current of the relay just milliamps above the highest level, to accurately measure the system charging.
漏泄电流会引发过流维护安装跳闸,使马达和变压器过热。
The leakage current will cause overcurrent trip to maintain installation, motor and transformer overheating.
如有故障发生,熔断器会断开,使所有故障电流流经跳闸线圈,将断路器断开。
If a fault occurs, the fuse ruptures diverting all the fault current through the trip coil, tripping the breaker.
该方法有效地避开了列车启动电流的影响,不但可以迅速切除近端的短路故障,而且通过延时跳闸还可以切除远端短路故障。
The nearby fault can be cleared immediately while the distant fault can be cleared with a delay by using the proposed method which will not be influenced by the starting current of trains.
最高的系统安全性和接地故障检测有助于避免由充电电流造成的跳闸。
Maximum system security and immediate ground fault detection helps avoids nuisance tripping due to charging currents.
此时间为从跳闸线圈受电到主触头电弧电流开断为止的总时间。
This is the total time from energizing the trip coil until the interruption of current on the primary arcing contacts.
对于后备保护装置防止高阻抗接地故障,将配置一只双极方向过电流继电器,同瞬时跳闸附件的时间成反比。
For backup protection against high resistive ground faults, there will be a dual polarized directional overcurrent relay, inverse time with instantaneous trip attachment.
并根据雷击跳闸率的变化和雷电流在杆塔中的分流情况,说明改进防雷措施。
The improvement anti-lightning stroke measure was proved by the variation of lightning trip-out rate and the tower-drainage of lightning current.
本文对变频器的过电流跳闸和过载跳闸的故障原因进行了分析,并介绍了如何判断的具体方法。
This paper analyzed the reason of trip for over current and overload in VVVF. And introduced how to determine on these fault.
在为胜利油田研制海底电缆铺设装置过程中,曾发生升压变压器合闸时过电流跳闸问题。
In the process of developing submarine cable laying installation for Shengli Oil Field, a certain problem has occurred with overcurrent tripping during switching on of step up transformer.
KA5为跳闸报警继电器。当设备产生偏励磁、可控硅故障、过电流等故障时,KA5吸合,断路器分励线圈得电跳闸,切断主电源。
When there are bias excitation, controllable silicon failure, over current and other failures, KA5 gets absorbed and breaker loop trips by powered on so as for switching off main power supply.
并联跳闸装置- - -一旦控制装置监测到故障发生或电流过载,将自动切断所有连接热水器的所有电源,最大限度保护热水器。
Shunt trip disconnecter - provides maximum protection by interrupting all power to the system in the event of a control sensed malfunction or overcurrent.
在线路距离保护段范围发生故障时,利用对侧开关跳闸时序电流的突变量加速本侧保护的跳闸,改善了保护的性能。
This paper presents a novel approach to accelerated trip of power transmission lines by using biorthogonal wavelet transform to improve the performance of protection relays.
在线路距离保护段范围发生故障时,利用对侧开关跳闸时序电流的突变量加速本侧保护的跳闸,改善了保护的性能。
This paper presents a novel approach to accelerated trip of power transmission lines by using biorthogonal wavelet transform to improve the performance of protection relays.
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