摘要
介绍了调压调速装置与PLC控制的桥式起重机电气原理,阐述了常见故障的处理方法及起重机电气维护的重要性及其步骤。
Present the electrical principle of overhead crane controlled by variable-voltage variablespeed device and PLC. The treating method of common failures, importance of electrical maintenance and its procedure are elaborated.
作者
孔祥新
霍春良
KONG Xiang-xin;HUO Chun-liang(Bengang Construction and Maintenance Company, Benxi 117021)
出处
《冶金设备管理与维修》
2019年第4期16-19,24,共5页
Metallurgical Equipment Management and Maintenance
关键词
桥式起重机
异步电动机
调速控制
机械特性
PLC
Overhead crane
asynchronous motor
variable-speed control
mechanical property
PLC