The achievements of microcomputer-based relay protection technology are summarized and its advantages compared to the traditional relay protection are pointed out.

概述了微机继电保护技术的成就，指出其与传统的继电保护相比所具有的优点。

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The digital first-harmonic detecting method based on this kind of filter can be used in anyone power harmonic compensation system and microcomputer relay protection system.

此滤波器设计的数字基波检测方法可用于任何一种电力系统的谐波补偿和微机继电保护系统中。

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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。

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