| 摘要 |
2132971 9320610 PCTABS00027 A transformerless power conversion system including a plurality of capacitors (C1-C6) connected in series; a charging circuit (60-62) connected to the plurality of capacitors, the charging circuit charging the plurality of capacitors from a voltage source (Vin) to a predetermined voltage; a circuit (63-75) for inverting the polarity of the charge stored in selected capitors of the plurality of capitors, the polarity inverting circuit including a plurality of inductor circuits (66-72) each of which can be switchably coupled to a corresponding different one of the selected capacitors to form a resonant circuit which aids in inverting the polarity of stored charge in that capacitor; and a discharging circuit (73-75) for extracting power from the plurality of capacitors at a transformed voltage. |
