Extrusion plant with synchronized drive units, and method of...

Details Extrusion plant with synchronized drive units, and method of... Extrusion plant with synchronized drive units, and method of...

2008-05-13

2008-05-13

Ip, Paul (Department: 2837)

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Running-speed control

C318S074000, C318S085000, C264S040100, C700S072000

Reexamination Certificate

active

07372220

ABSTRACT:
In a method for synchronizing drive units, a target value of the speed of each drive unit of a plurality of drive units speed is computed by determining the product of a maximum speed of the drive unit, a unit-dependent normalized ratio value of the drive unit, and a synchronization factor which is identical for all drive units. The ratio value defines the relative speeds of the individual drive units. Changing the synchronization factor causes synchronous speed changes of the drive units. As a result, a lasting synchronization can be realized across the entire speed spectrum.

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