功率继电器

感应式无功功率继电器

Induction type reactive power relay

有功-无功功率继电器

Arbitrary phase-angle power relay

提高微机型逆功率继电器可靠性

On the Improvement of Reliability of Microcomputer-based Reverse-power Relay

逆功率继电器特点、原理及调试

Characteristics Principle and Debugging of Inverse Power Relay

内电路全部采用大功率继电器转换，避免了经常烧毁开关现象。

The internal circuit is made of high-power relay switching which avoiding the phenomena often burned .

逆功率继电器的可靠性直接关系到大中型发电机变压器组的安全运行。功率方向继电器的动作行为分析方法

Reliability of reverse-power relay is of immediate effect on the secure operation of large and medium generator-transformer units . The Operation Function of Power Direction Relay

专业生产小型继电器，功率继电器，磁保持继电器，汽车继电器，时间继电器，固态继电器，计数器，继电器，传感器。

Professional production of small relays , power relays , magnetic latching relay , automotive relay , time relay , solid state relays , counters , relay sockets , sensors .

分析了逆功率继电器的特点及精度要求、测量回路的误差来源以及不正确动作的原因，提出了有效提高逆功率继电器可靠性的措施。

The reverse-power relay is analyzed in various aspects , such as its features , accuracy requirement , error origins of measurement circuit and the causes of mal-operation . Some efficient measures are also brought forward to improve the reliability of reverse-power relay .

为提高纵向零序电压型发电机匝间保护动作的可靠性，在保护构成上，除专用TV断线闭锁装置外，还应增加负序功率方向继电器。

In order to improve the reliability of voltage type longitudinal zero sequence inter turn protection performance for generator , there should be a negative sequence power directional relay protection as well as a special interlock device for TV circuit break off .

微机型功率方向继电器内角整定计算研究

Study on interior angle setting calculation of microprocessor - based directional power relay

发电机负序功率方向继电器动作分析

Action Analysis of Generator Negative Sequence Power Directional Relay

如河正确判定和校验零序功率方向继电器的接线

How to Determine and Check Correctly Wiring of Zero - sequence Power Direction Relay

同杆双回线上零序功率方向继电器的误判问题

Wrong judgement of zero sequence directional relay on double-circuit line on the same pole

零序功率方向继电器是线路保护中的一个重要元件。

The zero sequence directional relay is an important relay component for transmission line .

构成功率方向继电器的一种新方案

A new project to design power direction relay

重点介绍零序功率方向继电器的分析及判定方法。

It mainly focuses on analysis and determining method of zero sequence power direction relay .

功率方向继电器的动作行为分析方法信息技术在继电保护运行管理中的实际应用

The Operation Function of Power Direction Relay IT application to operation management of relay protection

电子管功率定向继电器电子管式心电描记器

Electronic valve type power directional relay

LG&11型功率方向继电器试验中的几个问题

Several Problems in Testing Direction Relay

感应式功率定向继电器

Induction type power directional relay

三相功率方向继电器

Three-phase power directional relay

提出一种采用模拟乘法器和模拟积分器作为基本元件构成功率方向继电器的方案。

A project to design a power direction relay , which is based on an analog multiplier and an analog integrator , is presented in this paper .

保护相间短路的模拟式功率方向继电器内角α的整定值只有两个（30°、45°），用户只能在这两个值中选其一；

There are only two set values ( 30 °, 45 °) for interior angle a of the stimulated directional power relay as the protection in phase to phase short circuit fault .

文中用六序分量法分析了同杆双回线上零序功率方向继电器的性能。

Based on the method of six sequence fault component , this paper analyses the performance of zero sequence directional relay on double circuit line on the same pole ( DLSP ) .

分析了3000kW背压汽轮发电机因功率方向继电器接线错误引起的频繁误跳闸事故，并指出了保护误动作的原因和改正的方法。

An analysis was made on frequent trip failures of 3 000 kW back pressure turbo-generator unit due to wrong wiring of the power directional relay . Causes of the protection system 's misoperation and solutions were given .

利用旋转磁场概念，通过改变感应型功率方向继电器内角的方法，论述了零序功率方向继电器的接线方式。

By making use of the rotating magnetic field , changing the inside angle of induction power direction relay , the connecting method for zero-sequence power direction relay is obtained and proves itself to be true by the experiment .

探讨了方向电流保护的整定对灵敏度及可靠性的影响，包括谐波、功率方向继电器等的影响，还探讨了一些新的整定计算方法及灵敏度、可靠性研究方面的新动向。

The influence on sensitivity and reliability caused by setting calculation of directional overcurrent protection is discussed , including influence on those of high frequency components and power directional relay . New setting calculation methods and researches on sensitivity and reliability are described .

同时，提出了通过给定的定值参数自动调整动作区间的智能型功率方向继电器，提高了方向判别的可靠性，以及在弱馈侧与弱馈识别元件的配合。

Meanwhile , an intelligent power direction relay is put forward in this paper , which can adjust the motion interval automatically by inputting known line parameters . This relay enhances the reliability of direction distinguishing and the adaptability with weak feed identification elements .

互补隔离技术法为在输出二极管两个端子上并联功率电磁继电器的一对常开触点，并用冗余控制信号对触点的闭合或释放状态进行控制。

The technology approach of complementary isolation is that it makes a pair of normal open contacts of a power electromagnetic relay in parallel with two poles of the output diode , and adopts a redundancy control signal to control the contacts on closing or opening state .

它特别适用于大功率ASEA型继电器接插件，也可用于其他弹性元件。

It was suitable to be used in ASEA type high power relay as the elastic element of insert-pull pieces .