摘要
启闭机起升传动采用整流/回馈+逆变器的变频控制方式,运用西门子1500PLC、通过PN总线,实现从PLC到变频器的数据通讯和两个吊点的电气同步。
The hoisting and hoisting drive adopts the frequency conversion control method using rectification/feedback+inverter.It uses Siemens 1500PLC and PN bus to realize the data communication from PLC to inverter and the electrical synchronization of two lifting points.
出处
《电力系统装备》
2019年第4期37-38,共2页
Electric Power System Equipment
关键词
启闭机
整流/回馈
PLC
同步
hoist
rectification/return
PLC
synchronization