Motor control system and apparatus for providing desired three-p

Details Motor control system and apparatus for providing desired three-p Motor control system and apparatus for providing desired three-p

1993-09-20

1995-09-12

Wysocki, Jonathan

Electricity: motive power systems

Armature circuit control

Plural sources of voltage

318767, 336148, H02S 1300

Patent

active

054499917

ABSTRACT:
A motor control system and apparatus for providing a desired three-phase voltage in the motor control system include: (1) a main transformer and components that are rated for one nominal voltage input, and (2) a commonly housed input transformer that transforms a different voltage power source to provide the nominal voltage input to the main transformer.

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Sketch labeled "Prior Art #1"--believed to be known, in public use or on sale at least one year before Oct. 31, 1990.
Sketch labeled "Prior Art #2"--believed to be known, in public use or on sale at least one year before Oct. 31, 1990.
Sketch labeled "Prior Art #3"--believed to be known, in public use or on sale at least one year before Oct. 31, 1990.
Sketch labeled "Prior Art #4"--believed to be known, in public use or on sale at least one year before Oct. 31, 1990.
Sketch labeled "Prior Art #5"--believed to be known, in public use or on sale at least one year before Oct. 31, 1990.
Sketch labeled "Prior Art #6"--believed to be known, in public use or on sale at least one year before Oct. 31, 1990.

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