Title :
Compensation of a GTO-NPC inverter for the damping of rolling mill torsional vibration by ETC (estimated torque feedback control)
Author :
Naitoh, Haruo ; Suzuki, Kentaro
Author_Institution :
Power Electron. Syst. Eng., Toshiba Corp., Tokyo, Japan
Abstract :
A new control for torsional vibration damping for a rolling mill driven by a GTO-NPC inverter is presented. This paper proposes a spindle torque estimator implemented in a microcomputer. Negative feedback of the estimated torque prevents the torsion and damps the vibration
Keywords :
DC-AC power convertors; damping; feedback; induction motor drives; invertors; machine control; microcomputer applications; parameter estimation; rolling mills; thyristor motor drives; torsion; vibration control; GTO-NPC inverter; estimated torque feedback control; induction motor drives; microcomputer; negative feedback; rolling mill drive; rolling mill torsional vibration; spindle torque estimator; torsional vibration damping; AC motors; DC motors; Damping; Inverters; Milling machines; Power engineering and energy; Steel; Synchronous motors; Torque; Vibration control;
Conference_Titel :
Power Electronics Specialists Conference, 1996. PESC '96 Record., 27th Annual IEEE
Conference_Location :
Baveno
Print_ISBN :
0-7803-3500-7
DOI :
10.1109/PESC.1996.548692
