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。
An "Overcurrent relay" is a type of protective relay which operates when the load current exceeds a preset value.
即当线路出现故障，继电保护使断路器跳闸后，自动重合闸装置经短时间间隔后使断路器重新合上。
That is, when the line failure, the relay circuit breaker tripping, the device auto-reclosing after a short time interval, so that a re-breaker.
少数情况属永久性故障，自动重合闸装置动作后靠继电保护动作再跳开，查明原因，予以排除在送电。
Limited circumstances permanent fault, automatic re-closing devices on the move after the opening relay action Zaitao to identify reasons, be excluded from the power supply.
通过实验，设计的装置多项性能指标符合继电保护的要求，有一定的工程意义。
Having been run on simulated experiments for many times, the designed device measures up to requirements of the relay function, which is of certain engineering value.
应用浮点数据采集技术能够在较低成本下获得较宽的动态范围，这在微机继电保护装置中具有实用价值。
The applying of the float - point data acquisition technique can achieve wide dynamic scope with rather low cost, which is of practical importance to the computer relaying equipment.
此设计能对目前继电保护装置所要求的项目进行测试和试验，并满足了要求的精度。
The design can be used to test the required testing items of present protective devices and its measuring accuracy is enough.
探讨和分析了如何提高继电保护装置性能的问题，并提出通信结构和规约方面应全面与国际接轨。
How to improve the performance of relay protection device is discussed, and it suggests that the communication structure and stipulation should be compatible with international communication standard.
本文首先分析了软件设计技术的重要性，针对当前继电保护装置开发中的一些软件开发缺陷问题，说明了本论文研究的必要性。
The paper analyses the importance of software design technology, and aiming at the shortage of current protective device software development, shows that the paper's research is necessary.
该系统对继电保护装置参数整定、事故原因查找及分析等有辅助作用。
This system has auxiliary functions of relay protection parameter setting and fault cause finding and analyzing.
微机型保护装置的测试方法作为继电保护测试仪的核心部分之一，近年来已成为国内外保护测试仪领域研究的热门课题。
The microcomputer protect device testing method as one of the core part in the relay testing apparatus has become the hotspot subject in the domestic and international protect fields.
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、电压丈量和继电保护的信号取样装置。
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.
继电保护装置的模块化使得继电保护图纸与信息的管理也应呈现模块化的特征。
The modularization characteristics of graph-information management should be manifested because of the modularization of modern relay protection devices and drawings.
如何提高继电保护装置的正确动作率，一直是调度通信系统的重点技术难题之一。
How to promote the right action rate of the Relay protect equipment is the most important and difficult problem of the power dispatch and communication system.
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。
The result indicates that interface scheme has good function of communication between the electrical transducer and protective relay devices.
继电保护装置对整个电力系统的稳定运行以及被保护的电气设备都是极端重要的设施。
The relay protector is an extremely important installation to the stability of the operation of the whole electric power system as well as the protected electric facilities.
介绍了基于DSP的微机继电保护装置中频率测量的CPLD实现。
This paper introduces CPLD realization of frequency measure in digital relay protection equipment powered by DSP.
继电保护和自动装置是电网安全稳定运行和可靠供电的重要保障措施。
Relay protection and auto mechanism are the important ensure measures for reliable supply and stably running power grid.
提出以通用算法映射原理开发继电保护面向装置整定计算系统开发的新思路。
A new idea for developing the equipment-oriented setting calculation system of relay protection based on "general algorithm mapping principle" is proposed.
为了确保城市电网配电系统的正常运行，必须正确地设置继电保护装置。
In order to ensure municipal power distribution system 'normal operation, the protection equipment of relay protection should be correctly set.
继电保护及安全自动装置配置是否合理，关系到变电站运行的可靠性及整个电网的安全。
Rational configuration of protection relay and safety equipment is important to substation operation reliability and power network safety.
要在动态模拟实验室中较全面考核继电保护装置的动作行为，动模实验室必须尽可能模拟各种故障。
To completely test the behavior of relay device in power system dynamic lab, different fault types, as more as possible, should be simulated.
论文介绍了几种SEL 继电保护装置基本功能。
This paper introduces some basic functions SEL protection device.
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。
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.
PT断线作为电力系统中一种常见的故障，能否及时有效地进行判别，是继电保护装置正确动作的前提条件。
It is the precondition for protection's correct operation to verify PT breaking in time, which is a common fault in power system.
提出了一种微机型继电保护装置事故检验与管理手段。
This paper presents a method of fault testing and management for microprocessor based relay protective equipments.
电气设备和载流导体的选择、继电保护、自动装置的整定、限制短路电流措施的确定都需进行短路电流的计算。
The short circuit current calculation is required for choosing equipment and current carrying conductor, setting of the rely and automation, confirmation of the short circuit current limiting method.
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。
With computerized protection having become a major form in power system relay protection, a digital protective device in motor has been developed and used.
相对于继电保护装置测试系统的成熟，稳定控制装置的测试系统可以说还是处在刚刚起步的阶段。
Although the testing system of Microcomputer-based Protection device has been coming into maturity, testing system of distributed stability control device is just in the beginning nowadays.
将模式的思想引入电力系统继电保护整定计算软件开发，实现了基于模式的自定义继电保护装置整定计算软件。
The idea of pattern is introduced into the development of the relay device coordination software, which helps to design the new self-defined relay device coordination system.
变电站综合自动化由继电保护与监控系统组成， I S A 变电站微机成套保护装置，增加了多项新功能。
The integrated automatization of substation is composed of relay protection and monitoring system. ISA complete sets of the computerized protection equipment added various kinds of new functions.
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