Sms Schloemann-siemag Aktiengesellschaft

Jurgen Bernhardt

Thorsten Bode

A load-balancing method for a multiplicity of controlled drives, especially individual electric motors of the rolls of a leveling machine for metal strip, in which all of the motors have speed and current-control circuits and are interconnected by a superordinate memory programmable computer or controller. A respective load-balancing controller, preferably of the PI type, is provided between the computer and the input to the current controller to vary the current setpoint signal supplied to the latter by the speed controller in each system.

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Dusseldorf, Germany

Jurgen Bernhardt