Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Running-speed control
Reexamination Certificate
2007-11-27
2007-11-27
Donovan, Lincoln (Department: 2837)
Electricity: motive power systems
Plural, diverse or diversely controlled electric motors
Running-speed control
Reexamination Certificate
active
11429076
ABSTRACT:
An electric motor control apparatus including an inverter which drives a motor of an electric motor car, storage unit for storing energy for the motor, and a converter which is connected to the storage unit, the inverter comprising detection unit for detecting a power value of the motor, and transmission unit for transmitting the power value detected by the detection unit to the converter, and the converter comprising calculation unit for receiving the power value transmitted by the transmission unit, and calculating an absorption current on the basis of the received power value, and control unit for controlling the storage unit on the basis of the absorption current calculated by the calculation unit.
REFERENCES:
patent: 5521788 (1996-05-01), Miyazaki
patent: 2003-18702 (2003-01-01), None
Doki et al., “A Study for Electric Double Layer Capacitor Series Connection for Railway Traction”, JIASC Conference 3-32, pp. III-179-III-182, (2003).
Monden Yukitaka
Toda Shinichi
Donovan Lincoln
Glass Erick
Kabushiki Kaisha Toshiba
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