闭环斩波起动交流接触器控制模块设计  

Design of an AC Contactor Control Module Started by Closed Loop Chopping

作　　者：汤龙飞[1] 许志红[1] 

机构地区：[1]福州大学电气工程与自动化学院,福建省福州市350116

出　　处：《中国电机工程学报》2013年第18期132-139,5,共8页Proceedings of the CSEE

基　　金：国家自然科学基金项目(51277031);福建省自然科学基金项目(2011J01295)~~

摘　　要：将斩波控制技术引入到交流接触器智能控制中,设计一种闭环斩波起动的交流接触器智能控制模块,使交流接触器具有闭环直流起动、闭环直流保持、抗电压跌落等功能,进一步增强其工作可靠性,满足了企业对大容量抗电压跌落交流接触器的需求;起动闭环采用线圈电流反馈,可以快速调节接触器线圈电流,便于优化控制;保持闭环可以根据接触器线圈电阻自动进行保持电压闭环与保持电流闭环的快速切换,拓展模块的适用范围;对模块工作原理进行瞬态及交流仿真,分析线圈尖峰电流的抑制方法,设计控制回路补偿网络,并结合相关实验验证设计的有效性。In this paper,the chopper control technology was introduced into the intelligent control of the AC contactor and an AC contactor control module starting with closed loop chopping has been designed.With this control module,the AC contactor has the functions of closed-loop DC starting,closed-loop DC keeping and anti-voltage sag.The proposed control module not only satisfies enterprises for high-capacity AC contactors with the function of anti-voltage sag but also makes it more robust.Starting closed loop uses coil current as feedback and allows the module to adjust the contactor coil current quickly.The optimization of starting process can be realized easier.The keeping closed loop can use coil voltage or coil current as feedback,it depends on the coil resistance.According to the control principle,the transient analysis and the AC analysis have been made,this paper also analyzed the suppression measures of current spike and designed the compensation network.The experimental results verify the validity of the control module.

关 键 词：闭环控制 斩波 大容量 交流接触器 电压跌落 

分 类 号：TM572[电气工程—电器]