protective relay
[电] 保护继电器
2025-09-08 18:15 浏览次数 8
[电] 保护继电器
protective relay unit继电器保护装置
phase protective relay相位保护继电器
ground d protective relay接地防护继电器
overheover at protective relay过亲爱戴继电器
protection relay protective relay保护继电器
hot t protective relay热保护继电器
overload protective relay过载保护继电器
winding overheat protective relay绕组过热保继电器
detailed simulation and analysis on the directional protective relay by detecting current polarity of traveling wave, and additional analysis about some influencing factors.
对行波电流极性比较式保护做了详细仿真试验与分析,并对影响该保护的影响因素做了相应的分析;
the paper describes the hardware configuration and software design of an electronical overload protective relay with pic16f877 singlechip.
本文描述了一种基于pic1 6f877单片机的电子式过载保护继电器的硬件系统结构和软件系统设计。
software design technology is very important for protective relay device based on the microcomputer.
软件设计技术对微机保护装置的开发非常重要。
the protective relay is a sensing device, which senses the fault, determines its location and then send command to the proper circuit breaker by closing its trip coil.
保护继电器是一个传感装置,感官的过错,确定其位置,然后发送命令关闭其旅行线圈到正确的断路器。
with the development of modern computer technology, relay engineers are paying more and more attention to computer-aided protective relay setting calculation to release the manual labor intensity.
随着计算机应用技术的发展,电力系统继电保护整定计算采用微机技术代替人工整定已得到广大继电保护工作者的高度重视。
the circuit breaker after getting command from the protective relay , disconnects only the faulted element.
从后得到的保护继电器命令断路器,只有断开故障因素。
the result indicates that interface scheme has good function of communication between the electrical transducer and protective relay devices.
实验结果表明,该接口能很好地完成电子式互感器与继电保护装置之间的通讯功能。
by means of a protective relay test set, using constant source impedance model, the dynamic characteristic of a lz-16 relay for both a forward and reverse fault is tested with success.
根据系统侧阻抗恒定的模型,利用微机型继电保护测试装置模拟正、反两个方向上的短路故障成功地对lz-16型相间阻抗继电器的动态特性进行了测试。
this paper introduces the explosion of type zn28 vacuum breaker and analyzes the cause of the accident from two aspects, the action of protective relay and accident site.
介绍了一起zn28系列真空开关爆炸事故,并从继电保护动作情况和事故现场两方面对事故原因进行了分析。
the commissioning principle and process of the protective relay commissioning system are researched, and the disadvantage of the present one is analyzed in the paper.
本文研究了继电保护测试系统的测试原理与测试流程,分析了在目前条件下继电保护测试软件的不足之处。
the fault detector using this new principle blocks the protective relay no matter how short the power swing period may be.
这种新原理构成的故障判别元件在振蕩时不论振蕩周期多么短都不会误开放保护。
this is why the protective relay must be reliable, maintainable and fast in operation.
这就是为什么保护继电器必须可靠,易于维护和快速运作。
the protective relay setting calculation is the safe operation foundation of the electrical equipments in the power plants and transformer substations.
继电保护整定计算是发电厂、变电站电气设备安全运行的基础工作。
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。
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。
the protective relay which functions as a brain is a very important component.
保护继电器的作用是作为一个大脑是一个非常重要的组成部分。
by making reasonable commissioning script, several tests can be completed at the same time, and protective relay automatic commissioning is realized.
在此基础上合理制定测试脚本,使得测试系统对于多个测试任务可以一次完成,真正实现继电保护自动化测试。
the hand-reset power protective relay is characterized by small volume, low cost, simple structure, high production efficiency, convenient debugging and testing as well as high safety and reliability.
本发明具有体积小、成本低、结构简单、生产效率高、调试检测方便、安 全性和可靠性高的特点。
on the basis of investigating present development of computer software about protective relay setting calculation and the reason why the various software is not applied and spread widely.
本文分析了计算机继电保护整定软件的发展情况以及目前各种继电保护整定软件未得到广泛地应用和推广的原因。
the ocgr is a microprocessor based digital type protective relay that has ground overcurrent detecting. for protecting coordination, it could be applied with.
该ocgr是一个基于微处理器的数字式继电保护已经过实地检测。为保护协调,可以适用于。
the results of the digital simulation show that the method can identify fault current and energizing inrush current precisely and makes it rapid and reliable for the protective relay to …
数字仿真结果表明,本方法可準确识别故障电流和励磁涌流,即使在空载合闸于内部故障时,保护继电器也能迅速可靠动作,避免了采用二次谐波制动导致的误动问题。
as one of the most important secondary equipments, the protective relay ensures the safety and stability of the power system.
继电保护装置是电力系统最重要的二次设备之一,其可靠动作对电力系统的安全稳定运行起着重要的作用。
a reconfigurable hardware platform based on soc design for digital protective relay is presented. it combines the fpga and the flash mcu and related interface circuit.
文中提出了基于soc的可配置微机保护硬件平台的设计方法和具体实现,该平台由fpga和微处理器以及相关接口构成。
fuzzy theory considered as a burgeoning subject is applied in many fields of power system, so much as in protective relay field.
模糊数学作为一门新兴的学科已经在电力系统获得了广泛应用,近年来在继电保护中的应用也相继开展。
the status quo of means in developing digital protective relay is introduced and the shortcomings of conventional computer language typing are indicated.
介绍了数字式保护装置开发手段的现状,指出了基于人工录入计算机语言的常规开发手段的缺点。
this paper introduces a microcomputer protection device based on c8051f020, including the discussion of protective relay functions and analysis of general system hardware and software design.
介绍了一种基于c8051f020单片机的继电保护装置,包括电力系统中继电保护功能的探讨、系统总体硬软件设计方案的分析。
an expert system based on model reasoning and database technology for protective relay and fault information management system is discussed.
论述了基于推理与数据库的电力系统保护信息分析的专家系统。