Electric power conversion systems – Current conversion – Having plural converters for single conversion
Reexamination Certificate
2007-05-17
2011-10-11
Nguyen, Matthew (Department: 2838)
Electric power conversion systems
Current conversion
Having plural converters for single conversion
C363S065000
Reexamination Certificate
active
08036008
ABSTRACT:
Three or more circuits including a driving inverter circuit and rectifier circuits are connected in series, each of the circuits including a high-voltage side MOSFET and a low-voltage side MOSFET connected in series as well as a smoothing capacitor having positive and negative terminals between which the MOSFETs are connected. LC series circuits, each including a capacitor and an inductor, are disposed individually between one specific circuit and the other circuits with periods of resonance of the LC series circuits made equal to one another. In performing DC/DC power conversion through charging and discharging operation of the capacitors, a resonance phenomenon of the LC series circuits is used to improve conversion efficiency and achieve a reduction in size of the apparatus structure.
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Anzai Kiyoharu
Ikeda Matahiko
Iwata Akihiko
Kikunaga Toshiyuki
Kobayashi Masaru
Mitsubishi Electric Corporation
Nguyen Matthew
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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