摘要：随着我国科学技术的发展，特别是计算机技术的进步，电力系统对变电站的更要求也越来越高。
微机型继电保护装置在电力系统中得到了广泛的运用。和常规保护相比，微机保护具有先进的原理及结构，安装调试简单运行维护方便，保护动作迅速灵敏可靠，能自动记录故障信息等显著的优点。本文对微机继电保护的特点和优越性作了阐述, 同时对微机保护的算法和抗干扰措施做了重点论述。
随着电力系统的高速发展和计算机技术、通信技术的进步，继电保护技术面临着进一步发展的趋势。国内外继电保护技术发展的趋势为：计算机化，网络化，保护、控制、测量、数据通信一体化和人工智能化，这对继电保护工作者提出了艰巨的任务，也开辟了活动的广阔天地。
微机继电保护发展的过程,概述了微机继电保护技术的成就, 提出了未来继电保护技术发展的趋势是:网络化,保护、 控制、 测量、 数据通信一体化。
关键词：微机保护；继电保护；分散式微机保护；防雷；比率；组态
ABSTRACT:With China's science and technology development, especially computer technology progress of the transformer substation, power system more requirements for more and more is also high.
Microcomputer relay protection device type in the power system has been widely used. Compared with conventional protections, microcomputer protection with advanced principle and structure, installation simple operation and maintenance convenience, protect sensitive and reliable and quickness can automatically record fault information and other significant advantages. In this paper the microcomputer relay protection, illustrates the feature and advantage of microcomputer protection, and the algorithm and made mainly discusses anti-interference measures.
With the rapid development of electric power system and computer technology, communication technology progress, relay protection technology faces further development trend. The relay protection technology at home and abroad for: the development trend of computerized, networking, protection, control, measurement, data communications integration and artificially intelligent, it put forward to relay protection workers difficult task, also pioneered the wide space activities.
The microcomputer relay protection, development process, summarizes the microcomputer relay protection technology achievements, this paper puts forward the future development trend of relay protection technology is: network, protection, control, measurement, data communications integration.
Key words: Microcomputer protection; Relay protection; Distributed microcomputer protection; Lightning protection; Ratio; Configuration.
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