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绕线转子异步电动机串电阻调速提升机利用自整角机和角位变送器,进行变频改造实现变频无级调速,在改造时保留原来的工频系统作为备用,并保持原有的操作装置和操作习惯。
Wound rotor asynchronous motor series resistance speed control elevator using self-angle machine and angle transmitter, frequency conversion transformation to achieve variable frequency stepless speed control in the transformation to retain the original power system as a backup and maintain the original Operating device and operating habits.