Controls and Drives for a Modern Electrolytic Galvanizing Line

A new electrolytic galvanizing line, all bridles, loopers and reels of which are driven by adjustable speed AC motors, began its commercial operation successfully in February 1984. In order to apply vector-controlled AC motors to the bridles and reels of the galvanizing line, accurate torque control...

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Bibliographic Details
Published in1984 Annual Meeting Industry Applications Society pp. 58 - 63
Main Authors Iiyoshi, Tsutomu, Hama, Kazuo, Katayama, Seiichi, Watanabe, Takeii, Yano, Sadanari
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.09.1984
Subjects
DC motors
Frequency modulation
Induction motors
Inverters
Time-frequency analysis
Torque
Torque measurement
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Summary:A new electrolytic galvanizing line, all bridles, loopers and reels of which are driven by adjustable speed AC motors, began its commercial operation successfully in February 1984. In order to apply vector-controlled AC motors to the bridles and reels of the galvanizing line, accurate torque control and small torque ripple of the motors has to be achieved. In this paper, the type of inverters, the secondary resistance compensation, torque ripple elimination, an evaluation of the torque ripple on the surface of the galvanized steel strip and actual performance of the drives. are described. In addition, the automatic operation system including the galvanizing DC current control is reported.
ISBN:1509031898
9781509031894
ISSN:2576-702X
2576-702X