AUXILIARY POWER SUPPLY CIRCUIT

PROBLEM TO BE SOLVED: To provide an auxiliary power supply circuit capable of easily extracting auxiliary power supply from a power supply circuit. SOLUTION: An auxiliary power supply circuit is provided with an input part in which the DC voltage is inputted, a secondary coil 12b provided in a choke...

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Bibliographische Detailangaben
1. Verfasser:	TANITSU YUTAKA
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 provide an auxiliary power supply circuit capable of easily extracting auxiliary power supply from a power supply circuit. SOLUTION: An auxiliary power supply circuit is provided with an input part in which the DC voltage is inputted, a secondary coil 12b provided in a choke coil in a power supply circuit in which a switching element, the choke coil, and a capacitor are connected in series to the input part, and the DC voltage to be charged in the capacitor is controlled by controlling the conducting time of the switching element, and smoothing circuits C2, D2 for smoothing the voltage generated in the secondary coil, and the DC voltage to be outputted from the smoothing circuits is an auxiliary power source.