基于C8051F020的中低压继电保护装置

The Mid & Low-voltage Protection Device Based on C8051F020

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。重点介绍了装置的C8051F020处理器模块的原理及构成,以及模拟量采集、开入开出、人机接口、通信等模块的设计。实践结果表明,该装置容易实现继电保护原理,较好地提高了保护装置的性能,具有集成度高、性能稳定、接口方便和编程简单等优点,有广泛的应用价值。

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. The emphasis is on the principles and composition of C8051F020 processor module, as well as the design of the analog dada sampling unit, the import and exit unit, the man-computer interface unit and the communication unit. Site operation shows that the device has the merits of high integration ,stable performance ,simple interface, easy program and large practice application. It has broad application values.