The Selection & use of Low Voltage Relay Devices in the Circuit Controlled by Powerful Generators with Low Voltage ; circuit breaker automatic for a voltage mot exceeding 1000v

低压大容量电动机控制回路中 低压 断路器的选用自动断路器，不超过1000V电压用

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。

Measuring the Contact Voltage Drop of Relay and Analysis of Data

继电器触头 电压的测量及数据的分析处理

A new emergency frequency and voltage control relay

新原理的 电力 系统频率 电压紧急控制 装置的研究

We are the manufacturer of stabilizer and want to purchase voltage meter relay for stabilizer .

我们是制造商的稳定和 电压表， 继电器，要为稳定购买。

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。

Measure the voltage at the trans relay control circuit at tcm .

测量TCM的变速 继电器电路的 电压。

Automatic voltage regulating relay

自动 电压调节 继电器

Especially on the failure causes due to voltage differential relay protection reason and treatment methods leading to operation failure are introduce in detail .

尤其对由于 差压 保护 动作，导致投运失败的原因和处理方法作了详细的介绍。

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。

To prevent non-standard operation oil current breaker in the communication circuit of transmission station using technology improved by adding voltage relay contact point in the circuit the reliability of the safety running is improved .

为预防变电站联络线路上油断路器的非规范操作、采取在合闸回路中增设 电压 继电器 触点的技术改进措施，提高了 变电站联络线路安全运行的可靠性。

We introduce in detail the circuit current and voltage when the relay is switch-on and switch-off and make the software in DOS and WINDOWS .

详细介绍了电机作为负载时 继电器闭合与分断时触点两端 电压与回路电流情况，并研究了在电机正常和堵转情况下的工作时序。

Method : We exchange the conjunction sequence of three NO ( normal open ) contacting points of radiograph high voltage preparing work relay & MAG SW - R with three reverse parallel connection of main thyristors .

方法：将摄影 高压预上闸 接触器MAGSW&R的3对常开触点与3组反向并联的主可控硅连接次序对调。

Automatic frequency control transformer automatic voltage regulating relay

自动频率调整变压器自动 电压调节 继电器

This system combined analogic and digital electronic technology with computer technology which could detect the related parameters of voltage relay automatically .

介绍了一种以工控机为核心的电磁 电压 继电器检测系统的主要功能及工作原理。

The hardware of the voltage relay are divided into five parts which are central processing unit A / D conversion keyboard display communication module and execution module .

文中在硬件设计部分将该 继电器分为中央处理单元、模数转换模块、键盘显示模块、通信模块和执行模块等几部分进行了详细的论述。

AC voltage electromagnetic relay

交流 电压电磁 继电器

Design of simulator producing fault current and voltage applied to relay protection experiments is demanded in Colleges .

应高校 继电保护实验的要求，设计用于 继电 保护实验的 电网故障仿真实验装置。

According to the request of consumer the system adopt the SCM and CPLD to control the high voltage relay unit and offer the basis of hardware for the high-speed automatic test and automatic search the hitch .

根据用户需求，系统采用单片机和CPLD相结合的方式来控制 高压 继电器组，为实现快速自动测试和自动搜索故障提供了硬件基础。

Lastly we arrive a conclusion on test condition of relay 's electrical life-test device when simulating motor load . This kind of test condition includes the voltage across relay 's contacts and current through its loop circuit .

最后总结得出继电器电寿命试验设备模拟电动机负载时的试验条件，其中包括 继电器的触点 电压和回路电流条件。

Another type is a PTP power supply for laser which gradation-ally regulate pulse voltage by relay logical switch .

而另一种是采用 继电器逻辑控制的分级调 压PTP激光电源。

A Novel Power System Instability Detecting Element for High Voltage Line Protection Relay

一种新的 高压 线路保护稳定破坏检测元件

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；

Research on Voltage Relay Action Characteristic Tester

电压 继电器动作特性测试仪的研究

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。

CVT is a signal sampling device which is widely used to carry out an energy metering measuring voltage and relay protection in high-voltage power network at home and abroad .

电容式电压互感器是广泛应用在国内外高压电网中的一种用以进行电能计量、 电压测量和 继电保护的信号取样装置。

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。

Design of low - voltage digital relay

一种 低压数字 继电器的设计

The Fifth Harmonic in Power Transformer and Its Influence on Negative - Sequence Voltage Relay

变压器5次谐波的产生及其对负序 电压 继电器的影响

PC Testing Instrument for Current ( Voltage ) Relay

电流（ 电压） 电磁 继电器微机检测装置的研究