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tian jin mei jiang nan huan dao kai qi qiao ti sheng kong zhi xi tong
Author(s): 
Pages: 131-134
Year: Issue:  S1
Journal: Bridge Construction

Keyword:  movable bridgelifting mechanism controlautomatic controlmotor speed frequency change;
Abstract: 采用计算机控制技术,对开启桥提升机构进行集中控制。提桥过程全自动化管理。变频调速系统建立双闭环自动控制回路,对采用常规交流异步电机拖动的4组独立卷扬设备实现运行、变速过程平稳和四吊点精确同步。
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