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。
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。
Multi-functional comprehensive protective relay digital display part shall be perfect, Calibration clear and accurate.
对多功能综合保护继电器的数码显示部分应完好,刻度清晰、准确。
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。
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。
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 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 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。
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。
Theory analysis and simulation results show that the new phase selector can determine fault types properly and be used in transmission line protective relay.
理论分析和仿真计算表明,使用电压量的选相元件能够正确地判别各种故障类型,满足高压线路保护的需要。
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 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 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。
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。
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 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 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,本方法可准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。
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。
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。
The Buchholz Relay is used as a protective device sensitive to the effects of dielectric failure inside the equipment.
作为安全装置,布赫继电器对于设备内的电介质故障是非常敏感的。
With computerized protection having become a major form in power system relay protection, a digital protective device in motor has been developed and used.
随着微机保护成为电力系统继电保护的主流形式,数字式电动机保护装置也被研制和应用。
This paper presents a method of fault testing and management for microprocessor based relay protective equipments.
提出了一种微机型继电保护装置事故检验与管理手段。
WJJL1 intelligence over current relay is a typical electronic apparatus which has over current, short circuit, over voltage, under curent, phase faults and starting failure protective functions.
WJJL1智能过流继电器是典型的电子、电器技术相结合的产品。具有过电流、短路、缺相、过欠压、欠电流、相失衡及启动故障等保护功能。
This safety relay can be used in a variety of ways: It performs monitoring tasks in safety applications in conjunction with different electro-sensitive protective equipment (ESPE).
此安全继电器可以用在各种不同的方式:它在执行监测不同电敏防护设备(尤其)一起安全应用任务。
Differential relay a differential relay is a protective device that is fed by current transformers located at two different series points in the electrical system.
差动继电器作为保护装置,差动继电器由位于系统中两个不同位置的电流互感器提供反馈信息。
After programming an integrated relay protective Settings calculation and management system for power plant, the validity and practicability of adaptive relay protective Settings theory is proved.
通过编制一整套完整的发电厂继电保护定值计算和管理系统来验证了自适应技术在继电保护定值计算和管理中的有效性和实用性。
In order to clearly describe action of adaptive technology in relay protective Settings calculation and management, we set up an integrated management system.
为了清楚的描述自适应技术在继电保护定值计算和管理中发挥的作用,我们建立了一个完整的定值计算和系统来进行说明。
To make the process of temperature control more ideal by introduce breaker with magnetic releasing, solid relay, and optional alarm protective type.
在早期组件预热炉温控线路基础上,引入带分励脱扣装置断路器、固态断电器、并选择适当报警保护方式,使控温过程更理想。
In this paper, a protective circuit for power supply of lasers without the use of low-voltage transformer and relay is presented.
本文介绍了一种不用低压变压器和继电器激光电源保护电路。
A differential relay is a protective device that is fed by current transformers located at two different series points in the electrical system.
差动继电器作为保护装置,差动继电器由位于系统中两个不同位置的电流互感器提供反馈信息。
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