A programmable power supply which tests action characteristic of voltage relay is presented.
介绍了用于电压继电器动作特性测试的可程控交流电源。
Moreover, flow chart of the communication-capable voltage relay is given in the dissertation.
另外，文中论述了该继电器的软件设计思想并给出了流程图。
This device consists of self-coupling transfer, digital logic circuit and low voltage relay circuit.
它由自耦变压器、数字逻辑电路和低压小继电器电路组成。
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。
The low-voltage relay and the excess voltage relay are integrated into one relay, which can display the real time of the voltage of the circuit and the limit of voltage can be modified.
该继电器的设计思想是将过压继电器和欠压继电器集成到一起，并且实时显示所测电压值，能修改电压的上、下限。
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。
The highest voltage a switch card can withstand reliably is the maximum volt age specification, which is determined primarily by the relay specification.
开关卡能够可靠承受的最高电压即为最大电压指标，它主要是由继电器的技术指标决定的。
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。
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。
The paper puts forward a new method to measure series battery voltage, mechanical relay is replaced by photoelectric relay to select each battery voltage.
提出一种串联电池组电压测量新方法：光电继电器取代机械继电器选通各节电池电压；
Therefor, it is suggested that a resistor or a capacitor be connected with the relay in parallel to lower the exciting voltage at both ends of the output relay.
为此，提出了在继电器两端并联一个电阻器或者电容器的改进方案，使其起到降低输出继电器两端激励电压的作用。
Use relays, contactor, button, air switch and travel switch etc low-voltage constitute control circuit called relay contact control circuit.
使用继电器、接触器、按钮、空气开关、行程开关等低压电器构成的控制电路称为继电接触控制电路。
On the basis of the theories, the release voltage value of electromagnetic relay in the accelerated storage life testing were fitted and forecased respectively.
在此基础上，针对电磁继电器贮存加速寿命试验所得到的释放电压数据分析进行拟合与预测，并对各种回归分析方法的拟合与预测结果进行了精度分析。
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。
Relay. Coil voltage 9VDC. Footprint regular. Flux free. Coil sensitivity 0.2W. Duty version 2A.
继电器。线圈电压9VDC。足迹定期。无焊药。线圈灵敏度0.2W。职务版本2A。
It shows that impedance relay is a kind of relay based on the concept of measuring impedance and distance relay is a relay which is typical of compensating voltage.
说明了阻抗继电器是建立在测量阻抗概念上的一类继电器；距离继电器是建立在补偿电压特点基础上的一类继电器。
Its chief product motorcycle fitting series includes: electronic igniter high voltage ignition coil starter relay rectifier voltage regulator flasher vehicle decorative lighting and so on.
其主流产品摩托车配件系列有：电子点火器、高压包、启动继电器、调压整流器、闪光器、车用灯饰等。
This paper introduced the method of the automatic measurement of DL (DY) - 20c series current (voltage) electromagnetic relay movement time and vibration time controlled by computer.
介绍了一种由微机控制的对DL、DY-20c系列电流、电压电磁继电器动作时间及抖动时间自动检测的方法。
The check is in the series of coil and four-way reversing valve control relay contact resistance increases, the bad, the contacts the voltage reduced.
经查是与四通阀线圈串联的控制继电器触点接触不良，电阻增大，致使电压降低。
This paper researches the testing requirement of voltage and current when relay closed or opened if the relay loaded AC single phase separate step motor.
本文研究交流单相异步电动机作为继电器负载时，继电器闭合与分断时电压与电流的试验条件。
High voltage, photo MOS relay.
高电压，照片MOS继电器。
According to the property that the surge impedance relay is realized by the ratio of voltage and current travelling waves, the relay's algorithm based on wavelets is present.
针对波阻抗方向继电器利用初始电压和电流行波的比值构成的特点，提出了基于小波变换的继电器算法。
Ln order to ensure the reliability of relay coil voltage, must reaeh value, the pulse width must be 3 times more time.
为了确保磁保持继电器可靠动作，施加到线圈上的激励电压须达到额定值，且脉冲宽度设置须达到动作时间的3倍以上。
An adaptive impedance relay based on negative sequence voltage polarization is proposed, and its operating characteristic is analyzed.
提出了一种基于负序电压极化的自适应接地阻抗继电器方案，并对其动作特性进行了分析。
Analysis shows that the voltage operating dead zone is small and have more sensitivity than traditional power directional relay.
分析表明其电压动作死区很小，比传统的功率方向元件具有更高的动作灵敏性。
This paper introduces a new AC voltage adjustment device controlling by optocoupler relay and gives detailed analysis of it's circuit.
对一种用光耦合继电器控制的交流调压器进行了介绍和分析，给出了该调压器的特点。
This paper introduces a new AC voltage adjustment device controlling by optocoupler relay and gives detailed analysis of it's circuit.
对一种用光耦合继电器控制的交流调压器进行了介绍和分析，给出了该调压器的特点。
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