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The Research and Application of the Three-level PWM Control System in Main Rolling Mill

Author: ZhouLingQiang
Tutor: GaoLiQun
School: Northeastern University
Course: Control Engineering
Keywords: Rectifier Inverter Vector control Three-level Gain Response Parser
CLC: TG333
Type: Master's thesis
Year: 2008
Downloads: 66
Quote: 0
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Abstract


Baosteel 1880 hot-rolled launched a new 21st century \This article first PWM control system in the main mill . PWM control system of the the IEGT power components . This control system is the main motor is driven by TMDrive-70 transmission , power components IEGT three - level PWM AC-DC-AC inverter system control, rotor excitation in inverse thyristor rectifier power components powered by TMDrive-70 change control . This equipment has been put into actual production run . Secondly , for the main mill drive Baosteel 1880 hot-rolled TMDRIVE-70 transmission system debugging , learn the debugging process of induction motor , PWM synchronous motor debugging . A detailed study of the debugging method of the motor , to achieve a system of static and dynamic requirements . Finally, we study the synchronous motor rotor positioning issues . This paper presents a new positioning method , this method is constantly open to take over the positioning adjustments can greatly save debugging time . This topic has a certain reference work for the transformation and function improved units with similar equipment Sanden , reference value.

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CLC: > Industrial Technology > Metallurgy and Metal Craft > Metal pressure processing > Rolling > Rolling mill machinery equipment
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