| 摘要 |
<p>The invention relates to a circuit (1) having a converter (2) for converting an a.c. voltage into a d.c. voltage, which converter (2) has a diode half-bridge (8), a switch half-bridge (10) and two d.c. rails (20, 25). In accordance with the invention, the converter (2) has a second converter (3) for converting the a.c. voltage into a second d.c. voltage.</p> |
