国产抗干扰型变频传动系统在冷轧五连轧机的应用  

Application of Domestic Anti-interference Variable Frequency Drive System in Five-stand Continuous Cold Rolling Mill

作　　者：邱书明 赵斌 陈奎霖 陈志斌 李超 QIU Shuming;ZHAO Bin;CHEN Kuilin;CHEN Zhibin;LI Chao(Tianjin Research Institute of Electric Science Co.,Ltd.,Tianjin 300180,China;Tianjin Tianchuan Electric Drive Co.,Ltd.,Tianjin 300301,China)

机构地区：[1]天津电气科学研究院有限公司,天津300180 [2]天津天传电气传动有限公司,天津300301

出　　处：《电气传动》2025年第4期91-96,共6页Electric Drive

摘　　要：针对带钢冷轧领域中的五连轧生产线,介绍了一种抗干扰型国产变频多传动系统解决方案。首先介绍了900 mm五连轧生产线的机械设备和轧制流程,根据电机表匹配了国产交流传动装置的型号。简要介绍了模块化整流回馈电源和逆变器的并联方式和光纤通信。然后介绍了该公共直流母线系统遇到的进线电网电压瞬间跌落的问题,以及如何通过增加电容组提高系统稳定性。同时介绍了使用编码器隔离分配板并给码盘单独供电的方式,解决码盘信号干扰问题。最后通过对比改进前后的速度和转矩精度,验证了该系统的抗干扰性能。An anti-interference domestic variable frequency multi-drive system solution for the five-stand continuous cold rolling line in the steel strip cold rolling field was presented.Firstly,the mechanical equipment and rolling process of the 900 mm five-stand continuous rolling line was introduced,and matched the models of domestic AC drive devices according to the motor table.The parallel connection mode of modular rectifier feedback power supply and inverter and the fiber optic communication were briefly described.Then,the problem of instantaneous drop of the incoming grid voltage encountered by the common DC bus system and how to improve the system stability by adding capacitor banks were discussed.At the same time,the method of using encoder isolation distribution board was introduced and providing separate power supply for the encoder to solve the encoder signal interference problem.Finally,the anti-interference performance of the system was verified by comparing the speed and torque accuracy before and after the improvement.

关 键 词：冷轧五连轧 多传动系统 抗干扰 

分 类 号：TM921[电气工程—电力电子与电力传动]