Electricity: motive power systems – Braking – Dynamic braking
Reexamination Certificate
2011-06-07
2011-06-07
Leykin, Rita (Department: 2837)
Electricity: motive power systems
Braking
Dynamic braking
C318S139000, C320S124000, C180S065290, C180S065285
Reexamination Certificate
active
07956560
ABSTRACT:
A control apparatus for controlling a rotational electric machine and a driving apparatus for a vehicle that includes an AC motor that rotates wheels and is driven by a power supplied from a battery, an instant variation detecting unit provided in a motor controller that detects a instantaneous variation of a current or voltage of the battery, and a current command operating unit that changes a current command signal for current to be sent to the AC motor, such that an internal loss of the AC motor is increased, by using an internal-loss-increase-use Id·Iq table.
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European Search Report dated Feb. 26, 2010 (Five (5) pages).
Izumi Shiho
Kaneko Satoru
Miyazaki Hideki
Takaku Yutaka
Crowell & Moring LLP
Hitachi , Ltd.
Leykin Rita
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