| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a DC-AC converter for coping with the problems of low conversion efficiency and high leakage current. <P>SOLUTION: A DC-AC converter 41 including a switch circuit that converts DC power and outputs an AC voltage is disclosed. The switch circuit includes: a first switch branch 411 having a first switch element S1 and a second switch element S2; a second switch branch 412 having a third switch element S3, a fourth switch element S4, and a fifth switch element S5; and a sixth switch element S6 of which one end is connected between the third switch element and the fourth switch element, and the other end is connected between the first switch element and the second switch element. The first switch element, the second switch element, the third switch element, the fourth switch element, the fifth switch element, and the sixth switch element are turned on and off so as to improve the conversion efficiency of the DC-AC converter 41 and to prevent the occurrence of the leakage current in the DC-AC converter 41. <P>COPYRIGHT: (C)2013,JPO&INPIT |
