摘要
基于单片机技术以中性点接地供电系统为例,阐述了漏电保护的概念及其重要性;通过对漏电保护动作特性的研究分析,给出了单片机实现漏电保护系统的信号采集、处理与控制保护的硬件电路实现,提出了切实可行的软件设计方案,通过对漏电动作电流和时间等相关参数的整定与输出控制,最终达到安全用电的目的。
Based on single-chip technique, taking neutral grounding power system for example, this paper expounds the concept of leakage protection and its importance; By analyzing the characteristics of leakage protector action, this paper provides realizable methods of microcomputer about signal collection, processing and the controlling and protection for hardware circuit realization, and proposes a feasible software system design, through the related parameters setting and output controlling the leakage action time and leakage action current, this paper aims to achieve the purpose of safety in utilizing electric energy.
出处
《湖南科技学院学报》
2009年第12期55-57,共3页
Journal of Hunan University of Science and Engineering
关键词
单片机
漏电保护
接地
零序电流
SCM
Leakage protection
Grounding
Zero sequence current