JPH0250712B

PURPOSE:To perform the high speed starting of a DC/DC converter by connecting a plurality of DC/DC converters in parallel with each other, and suitably superposing the driving timings of switching transistors so tht the pulsating current is reduced in the total sum of the output currents of the resp...

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Bibliographische Detailangaben
1. Verfasser:	ISHIGURO HIDEO
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:	PURPOSE:To perform the high speed starting of a DC/DC converter by connecting a plurality of DC/DC converters in parallel with each other, and suitably superposing the driving timings of switching transistors so tht the pulsating current is reduced in the total sum of the output currents of the respective phases, thereby reducing the capacity of a smoothing condenser. CONSTITUTION:3 DC/DC converters which have switching transistors 11a-11c, transformer 13a-13c and diodes 14a-14c are connected in parallel with each other. The drive voltages e1-e3 of the respective phases are superposed to each other at the timing, thereby driving switching transistors 11a-11c. The output currents i1-i3 of the respective phases are superposed as smoothing means, the current is switched at the smooth gradient, and the means operates so that the sum becomes constant.