| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an inexpensive charging apparatus. <P>SOLUTION: A charging apparatus 1 includes: IGBTs 42, 43; capacitors 26, 38, 40; a PFC circuit 39; a transformer 4 having a reactor 2 disposed between the capacitor 26 and a junction of the IGBTs 42, 43 and a reactor 3 connected in parallel with the capacitor 38; switches 27, 28 disposed between the reactor 3 and the capacitor 38; an IGBT 5 disposed between the switch 28 and the capacitor 38; and a control circuit 6. The control circuit 6 closes the switches 27, 28, then turns on/off the IGBT 5 and turns on/off the IGBTs 42, 43 alternately to charge a battery 21, and opens the switches 27, 28 and then turns on/off the IGBTs 42, 43 alternately to convert an output voltage of the battery 21. <P>COPYRIGHT: (C)2012,JPO&INPIT |
