过电流脱扣试验。
There are two different points of view on whether current relay operates correctly or not, when CT saturates.
电流互感器(CT)饱和时,电流继电器能不能正确动作,一直存在二种载然不同的观点。
An "Overcurrent relay" is a type of protective relay which operates when the load current exceeds a preset value.
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。
Due to the specialty, REF relay is a current relay with very high sensitivity or a voltage relay with very low acting power.
由于零差保护的特殊性,零差继电器本身就是一只灵敏电流继电器或动作功率很小的电压继电器。
The charger shall give an alarm signal upon failure initiated by either an under-voltage relay or a zero charging current relay.
充电器应发出警报信号后没有任何一方发起一个欠压继电器或零充电电流继电器。
We should always check the high voltage DC power supply within the current relay, time relay setting value is correct, control is sensitive.
应经常检查高压直流电源内电流继电器,时间继电器的整定值是否正确,控制是否灵敏。
A hydraulic turbine leaf of transmit water current relay machine displacement transmission device is designed based on the principles of capacitance sensor.
针对现有的电位器拉线式水轮机导叶接力器位移变送装置中存在的接触不良、易磨损、输出信号不可靠的问题进行了分析。
The practice shows that LOGO control is simple, reduces electricity fault rate and is worth extended by contrasting LOGO control to direct-current relay control.
运用实践证明:LOGO控制简单方便,减小了电气故障率,值得推广。
A method in the improvement of current relay controls winding asynchronous motor starting circuit is put forward, and the merit, demerit of it are described in the paper.
本文提出电流继电器控制绕线式异步电动机起动电路改进方法,并对改进电路优劣进行了分析。
The over-current relay works to protect oscillation tubes and rectifier, when the current exceeds its limits. Frequency deviation caused by faulty operation is also prevented.
当电流超过限制值时,过负荷电流继电器自动保护振荡管和整流器,同时可以避免由不当操作所引起的频率漂移。
The paper presents the neural network models of the current relay, impedance relay of circle character and polygon character, and proves that these models have better adaptability.
给出了电流继电器、圆特性以及四边型特性阻抗继电器的神经网络模型,并证明了三种模型都具有很强的自适应性。
Respectively through the various contacts, in order to dial the corresponding limit switches and over current relay normally closed contacts, to see the ability to cut off the control current.
①分别接通各个接触器,依次拨通相应的限位开关和过电流继电器常闭触头,查看其切断控制电流的能力。
WJJL1 intelligence over current relay is a typical electronic apparatus which has over current, short circuit, over voltage, under curent, phase faults and starting failure protective functions.
WJJL1智能过流继电器是典型的电子、电器技术相结合的产品。具有过电流、短路、缺相、过欠压、欠电流、相失衡及启动故障等保护功能。
When measuring the leakage current with this setup, the voltage bias is applied to all the diodes simultaneously through the normally closed contact of each relay.
当利用这一配置测量漏流时,通过每个继电器的常闭触点同时向所有的二极管施加偏压。
If the load resistor was connected directly across the voltmeter input terminals, the current through the relay contacts would cause a voltage drop and the measured cell voltage would be in error.
如果负载电阻被直接连接到伏特计的输入端子,通过继电器触点的电流会产生电压降,测得的电池电压将存在误差。
When evaluating either maximum voltage or maximum current levels, the power rating of the relay must also be considered if the specified life is to be attained.
在评估最大电压或最大电流水平时,要想达到规定的寿命,则必须考虑继电器的功率额定值。
When detecting standby signal, microcomputer gives structure to relay switch to cut off the current, then standby power is eliminated so as to realize energy saving.
在检测到待机信号时,单片机控制继电器开关,将电流切断,家电完全断电,消除了待机功耗,达到节能的目的。
Relay Drive Current. The amount of current necessary to energize a relay. Usually specified per channel.
继电器驱动电流激励继电器所需的电流总量。通常以每通道给出。
If the switched current is too high, the resulting temperature increase and contact arcing will degrade the relay and shorten the contact life.
如果切换电流太高,造成的温度升高和接触电弧将会劣化继电器并缩短接触寿命。
The uses, operating principle and main requirements of the current transformer for differential relay with high impedance were described.
叙述了高阻差动继电器用电流互感器的用途、工作原理和主要要求。
When the switch is turned to any of its variable speed "on" Settings, current can flow though the switch and down to earth to allow the relay to switch on.
当开关转变为任何变速“开启”的设置时,电流可以通过开关接到地上,继电器开启。
The mechanical force is generated through current flow in one or more windings on a magnetic core or cores , hence the term electromechanical relay.
机械力造成的刺激继电器触点的操作原则的工作。在一个或多个绕组对磁芯或核心,因此,长期的机电式继电器通过电流流动产生的机械力。
The differences and relation between the residual current monitor, residual current operated circuit breaker and residual current operated protective relay were introduced.
介绍了剩余电流监视器与剩余电流断路器、剩余电流继电器的区别和联系。
Since the relay was a subminiature type, the coil current was relatively high, requiring a driver.
由于继电器是一种微型的类型,线圈电流相对较高,需要一名司机。
Cooperating with relay, it can protect system and equipment from excess current, overload, and earthing etc.
与继电器配合,可对系统和设备进行过电流、过负荷和接地等保护。
Thermal relay value should be able to in no more than 140% of the rated current compressor when disconnect.
热继电器的设定值应能在不超过压缩机额定电流的140%时断开。
In this case, the series resistor should be placed as close to the relay as possible to limit the current when charging the cable capacitance.
在这种情况下,串联电阻就应该尽量靠近继电器,以限制电缆电容充电时的电流。
A study on an auto compensation of capacitance current should be highly conducted to improve the technical level of the leakage check relay.
但应努力开展电容电流自动补偿的研究工作,以进一步提高检漏继电器的技术水平。
Finally, the impact of series resonant current limiter on relay protection and over voltage in grid was explored.
最后探讨了串联谐振式限流器对继电保护和电网过电压的影响。
Calculation of current coil is discussed to middle relay and signal relay, lay stress on signal relay that contents condition and selects a type in different circumstances.
介绍中间继电器和信号继电器电流线圈的计算,着重分析信号继电器所需满足的条件和在不同情况下的选型。
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