POWER SUPPLY CIRCUIT

POWER SUPPLY CIRCUIT

PROBLEM TO BE SOLVED: To shorten a time for which power cannot be supplied to a load when a boosted voltage temporarily becomes overvoltage in a power supply circuit including a booster circuit and a bridge circuit. SOLUTION: An input circuit 10 increases a direct-current voltage inputted from an in...

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Bibliographische Detailangaben
1. Verfasser: MASE TOMOYUKI
Format: Patent
Sprache:eng
Schlagworte:
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
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To shorten a time for which power cannot be supplied to a load when a boosted voltage temporarily becomes overvoltage in a power supply circuit including a booster circuit and a bridge circuit. SOLUTION: An input circuit 10 increases a direct-current voltage inputted from an input power supply Vin and passes an alternating current through a transformer T. A rectifier circuit 20 rectifies an alternating current on the secondary side of the transformer T and supplies it to a load R. When a voltage increased at the input circuit 10 reaches a threshold value, a logic circuit 37 keeps a lower-arm switching element Q1 off and an upper-arm switching element Q2 on. COPYRIGHT: (C)2008,JPO&INPIT