无触点控制系统在起重机上的应用  

Application of Contactless Control System on Cranes

作　　者：董彬 李长江 孙宇 谢晓航 Dong Bin;Li Changjiang;Sun Yu;Xie Xiaohang(Shandong Special Equipment Association,Ji'nan,250100)

机构地区：[1]山东省特种设备协会,济南250100

出　　处：《中国特种设备安全》2023年第10期65-68,共4页China Special Equipment Safety

摘　　要：本文简述了起重机无触点控制在起重电磁铁和桥式起重机调速装置方面的应用,晶闸管以其优异的可控整流、逆变、调压、变频、无触点功率静态开关等功能为起重机无触点控制的核心器件发挥了关键作用。通过比较起重电磁铁和桥式起重机无触点控制装置主回路以及控制回路电气原理图,分析了其中的优缺点,提出了一些改进措施。This article briefly describes the application of contactless control in crane electromagnets and bridge crane speed control devices.Thyristors play a key role in the core components of contactless control for cranes due to their excellent controllable rectification,inverter,voltage regulation,frequency conversion,contactless power static switch and other functions.This article compares the main circuit and control circuit electrical schematic diagrams of the widely used lifting electromagnets and contactless control devices for bridge cranes,analyzes their advantages and disadvantages,and proposes some improvement measures and application prospects.

关 键 词：起重机 无触点控制 晶闸管 整流 

分 类 号：X941[环境科学与工程—安全科学]