Electricity: motive power systems – Induction motor systems – Primary circuit control
Reexamination Certificate
2011-07-19
2011-07-19
Benson, Walter (Department: 2837)
Electricity: motive power systems
Induction motor systems
Primary circuit control
C318S139000, C318S442000, C318S109000, C318S108000
Reexamination Certificate
active
07982426
ABSTRACT:
An electric power system comprises an AC motor, a first DC voltage unit, an inverter as a power converter, being connected between the AC motor and first DC voltage unit, for exchanging power between these two components; and a controlled DC power supply which is connected between an arbitrary spot of a coil of the AC motor and a positive or negative electrode of the first DC voltage unit and which connects at least one semiconductor switching element and a battery as a second DC voltage unit in series.
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“Japanese Application Serial No. 2006-318075, Notice of Rejection Ground mailed May 24, 2011”, (w/ English Translation), 7 pgs.
Fujita Kouetsu
Itoh Jun-ichi
Toba Akio
Benson Walter
Fuji Electric Holdings Co., Ltd.
Luo David S
National University Corporation, Nagaoka University of Technolog
Schwegman Lundberg & Woessner, P.A.
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