电压继电器

介绍了用于电压继电器动作特性测试的可程控交流电源。

A programmable power supply which tests action characteristic of voltage relay is presented .

变压器5次谐波的产生及其对负序电压继电器的影响

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

电压继电器综合电参数测试装置

A Device for Aggregative Electric Parameters Testing of Voltage Relays

无源厚膜电路构成的静态型电流和电压继电器

The solid-state current and voltage relays with passive solid-state circuit

静态电流电压继电器的设计方案

Design scheme of static current and voltage relays

电压继电器动作特性测试仪的研究

Research on Voltage Relay Action Characteristic Tester

感应式过电压继电器

Induction type over-voltage relay

活塞式欠电压继电器

Plunger type undervoltage relay

论述了无需直流辅助电源、用厚膜电路构成的静态型电流和电压继电器。

The static current and voltage relays made of solid state circuit and without DC auxiliary supply are presented .

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。

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

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。

Due to the specialty , REF relay is a current relay with very high sensitivity or a voltage relay with very low acting power .

较详细地介绍了静态电流电压继电器工作原理，并对构成各环节做了重点分析，便于广大用户掌握和使用。

The working principle of the static current and voltage relays are introduced in detail and its each part is analyzed so as to be used by customers .

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。

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 .

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。

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 .

自动频率调整变压器自动电压调节继电器

Automatic frequency control transformer automatic voltage regulating relay

交流电压电磁继电器

AC voltage electromagnetic relay

自动电压调节继电器

Automatic voltage regulating relay

电流（电压）电磁继电器微机检测装置的研究

PC Testing Instrument for Current ( Voltage ) Relay

维修短路到电压的变速继电器控制电路。＊

Repair the trans relay TC control circuit for a short to voltage .

我们是制造商的稳定和电压表，继电器，要为稳定购买。

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

设计了一个由微波发射器、555定时器、电压比较器和继电器组成的具有延时功能的自动报警器。

The paper designs an automatic alarm with the time delay function which composed by the microwave launcher , 555 timers , the voltage comparator and the relay .

基于MEMS技术的低阈值电压静电型微继电器的设计与研究

Design and Analysis of Electrostatic Microrelay with Low Threshold Voltage in MEMS

输出的模拟信号经电压调整后通过继电器矩阵完成相应的通道选择，作为被测试设备的输入信号。

After adjusted the voltage of analog signal , corresponding channel selection was implemented with relay matrix . The analog signal is transmitted as the input of tested instrument .

它主要由四部分组成：三相整流直流电源，谐振充电及电压反向单元，继电器控制单元，计算机控制单元。

It is composed of four parts : DC ( Direct Current ) power supply , resonance charging and polarity reverse unit , electric relay control unit and computer control unit .

使用低电压的在低电压下运行的感应式低电压继电器

Induction type under-voltage relay

对于现场较易出现的电压回路异常、零序电压量自动由自产转为开口三角（3U0）电压后，继电器仍能正常工作；

The zero sequence components required by the relay are easily acquired and available for a long time when abnormality occurs in voltage circuits , the relay can automatically use the voltage of the open delta in stead of the voltage self produced to correct the function .