Drive system for multiple motors

Details Drive system for multiple motors Drive system for multiple motors

2008-11-19

2011-11-22

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Parallel connected motors

C318S434000

Reexamination Certificate

active

08063589

ABSTRACT:
A drive system for multiple motors includes a first motor, a second motor, a motor drive power supply for supplying power to the first and second motors, a first motor drive amplifier, a second motor drive amplifier, a first overcurrent detection apparatus, and a second overcurrent detection apparatus. The first overcurrent detection apparatus is connected between the motor drive power supply and the first motor drive amplifier for detecting current through the first motor drive amplifier, and comparing the current value to the first overcurrent benchmark value to output an overcurrent detection signal correspondingly. The second overcurrent detection apparatus is connected between the motor drive power supply and the second motor drive amplifier for detecting current through the second motor drive amplifier, and comparing the current value to the second overcurrent benchmark value to output an overcurrent detection signal correspondingly.

REFERENCES:
patent: 5483141 (1996-01-01), Uesugi
patent: 5859510 (1999-01-01), Dolan et al.
patent: 7173386 (2007-02-01), Jeon
patent: 2004/0239271 (2004-12-01), Matsubara et al.
patent: 1574602 (2005-02-01), None
patent: 08-266092 (1996-10-01), None

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