【摘要】 介绍了电网电压波动对中板四辊轧机主电机传动系统的影响和解决方法。根据中板四辊轧机主电机传动系统运行时的上级监控系统记录数据,以及直流电机电枢电压与变流器交流侧输入电压的关系,详尽地分析了直流快速自动开关跳闸故障原因,并提出具体的对策及措施。更多还原

【Abstract】 Influence of electric grid voltage fluctuation on main motor drive system for four-high medium plate mill and its solution are introduced.According to recording data of higher level monitor and control system when main motor drive system for four-high medium plate mill is operated,and relation between armature voltage of DC electromotor and AC input voltage of inverter,trip cause of DC fast automatic switch was analyzed in detail,and specific countermeasure and measures are given.更多还原