城市建设理论研究 关键词：挤塑机组；控制方式；变频器调速技术 [gap=129]key words: squeeze machine group; control mode; inverter speed control technology
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变频器调速技术是集自动控制、微电子、电力电子、通信等技术于一体的高科技技术。
The frequency changer velocity modulation technology is technology and so on collection automatic control, micro electron, electric power electron, correspondence to a body high tech technology.
采用双变频调速技术，日本松下变频器，保证机器各部位运行同步。
The machine adopts dual-frequency conversion timing technology and Japan panasonic transducer, assuring every part drives synchronously.
本文对中压大功率电动机变频调速的技术特点和电路结构进行了分析，阐述了多电平变频器的工作原理。
The technical features of medium voltage high power inverter and the basic structure of its electric circuits are analyzed.
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