摘要
本文分析了传统的交流桥式起重机电气控制系统的缺点；介绍了采用变频调速和PLC对老起重机电控系统进行改造的技术方案，并详细描述了一个新型的控制系统实例。
This paper aims to analyze the defects of the electric control system of the traditional AC Bridge Crane and introduce a technical scheme for the above-mentioned crane by using Variable Frequency Speed Control and PLC. At the same time, it describes in detail a new-type control system example.
出处
《自动化信息》
2006年第7期74-76,73,共4页
Automation Information
关键词
桥式起重机
控制系统
变频调速
PLC
升降机构
Bridge Crane
Control System
Variable Frequency Speed Control
PLC
Lift Mechanism
