Electric power conversion systems – Phase conversion without intermediate conversion to d.c. – With automatic voltage magnitude or phase angle control
Reexamination Certificate
2007-10-01
2009-12-15
Han, Jessica (Department: 2838)
Electric power conversion systems
Phase conversion without intermediate conversion to d.c.
With automatic voltage magnitude or phase angle control
C323S239000, C323S214000, C363S065000
Reexamination Certificate
active
07633783
ABSTRACT:
A converter device which is configured by connecting three converter circuits in parallel is provided between a secondary battery serving as a first power supply and a fuel cell serving as a second power supply. A control unit includes a PID control module which controls the converter device by PID control, for executing desired voltage conversion; a module for modifying the number of drive phases which changes the number of drive phases of the converter device in response to an electric power passing through the converter device; and a gain switching module which switches feedback gains in the PID control when the number of drive phases is changed.
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Hasegawa Takahiko
Maenaka Takeshi
Manabe Kota
Han Jessica
Kenyon & Kenyon LLP
Toyota Jidosha & Kabushiki Kaisha
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