论文部分内容阅读
专利号:ZL200620039087.4专利权人:上海梅山钢铁股份有限公司发明(设计)人:陆振跃江蔚本实用新型涉及变频器控制回路,特别涉及一种对给粉机变频器稳定控制的电气控制回路。需要解决的是在电气系统波动时,给粉机会停转的技术问题。本实用新型是由以下技术方案解决的:给粉机变频器分为上排、下排,分别有两路电源供电,在上、下排的工作电源柜各加装一台三相的UPS,提供正常运行时的工作电源,给粉机的仪表电源接电源柜,上、下排电源柜还各有一路备用电源线路,上排给粉机的备用电源输入端接下排
Patent number: ZL200620039087.4 Patentee: Shanghai Meishan Iron & Steel Co., Ltd. Inventor: Lu Zhenyu Jiang Wei The utility model relates to the inverter control circuit, in particular, relates to a stable control of the inverter to the powder feeder electrical control circuit . What needs to be addressed is the technical problem of stalling the powder feeder when the electrical system fluctuates. The utility model is solved by the following technical solutions: The frequency converter for the powder machine is divided into an upper row and a lower row, and two power sources are respectively provided for the power supply; one three-phase UPS is installed in each of the upper and lower row power supply cabinets, Provide the normal operation of the power supply to the power of the powder meter power supply cabinet, the lower row of power supply cabinet also have a backup power supply line, the backup power supply to the powder machine input termination row