摘要
以某矿井交流提升机TKD-A电控系统改造为背景,介绍6RA70结合S7-300 PLC实现异步电动机动力制动的控制原理及关键参数的设置和软件流程。
Based on the technological reform of TKD-A AC mine hoist control system, the application of 6RA70 digital DC speed regulating device and S7-300 PLC in the power braking of asynchronous motor, the setting of important parameter of 6RA70 and software design are also introduced.
出处
《电气传动自动化》
2007年第4期20-23,共4页
Electric Drive Automation
