POWER CONVERTER
PROBLEM TO BE SOLVED: To provide a compact type high efficient power converter, in which the power loss of a DC/DC power conversion circuit is reduced by decreasing the power loss in a diode. SOLUTION: The DC/DC power conversion circuit 1, constituting the power converter, is constituted of an input...
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| creator | IWATA AKIHIKO URAKABE TAKAHIRO |
| description | PROBLEM TO BE SOLVED: To provide a compact type high efficient power converter, in which the power loss of a DC/DC power conversion circuit is reduced by decreasing the power loss in a diode. SOLUTION: The DC/DC power conversion circuit 1, constituting the power converter, is constituted of an input capacitor 4 for smoothing an input voltage input from input terminals 3a, 3b, a choke coil 5 which is a magnetic energy storage portion for accumulating magnetic energy and for shifting the magnetic energy to a high-voltage side, a switching element 6 formed by a SiC (silicon carbide) semiconductor, a diode 8 formed by a Si (silicon) semiconductor, an output capacitor 9 for smoothing an output voltage, and output terminals 10a, 10b, wherein a control circuit 2 turns on the switching element 6, when a current flowing through the choke coil 5 is about 0. COPYRIGHT: (C)2007,JPO&INPIT |
| format | Patent |
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SOLUTION: The DC/DC power conversion circuit 1, constituting the power converter, is constituted of an input capacitor 4 for smoothing an input voltage input from input terminals 3a, 3b, a choke coil 5 which is a magnetic energy storage portion for accumulating magnetic energy and for shifting the magnetic energy to a high-voltage side, a switching element 6 formed by a SiC (silicon carbide) semiconductor, a diode 8 formed by a Si (silicon) semiconductor, an output capacitor 9 for smoothing an output voltage, and output terminals 10a, 10b, wherein a control circuit 2 turns on the switching element 6, when a current flowing through the choke coil 5 is about 0. 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SOLUTION: The DC/DC power conversion circuit 1, constituting the power converter, is constituted of an input capacitor 4 for smoothing an input voltage input from input terminals 3a, 3b, a choke coil 5 which is a magnetic energy storage portion for accumulating magnetic energy and for shifting the magnetic energy to a high-voltage side, a switching element 6 formed by a SiC (silicon carbide) semiconductor, a diode 8 formed by a Si (silicon) semiconductor, an output capacitor 9 for smoothing an output voltage, and output terminals 10a, 10b, wherein a control circuit 2 turns on the switching element 6, when a current flowing through the choke coil 5 is about 0. 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SOLUTION: The DC/DC power conversion circuit 1, constituting the power converter, is constituted of an input capacitor 4 for smoothing an input voltage input from input terminals 3a, 3b, a choke coil 5 which is a magnetic energy storage portion for accumulating magnetic energy and for shifting the magnetic energy to a high-voltage side, a switching element 6 formed by a SiC (silicon carbide) semiconductor, a diode 8 formed by a Si (silicon) semiconductor, an output capacitor 9 for smoothing an output voltage, and output terminals 10a, 10b, wherein a control circuit 2 turns on the switching element 6, when a current flowing through the choke coil 5 is about 0. COPYRIGHT: (C)2007,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION |
| title | POWER CONVERTER |
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