| 摘要 |
<p>The invention relates to an uninterruptible direct current power supply device (22) for a data processing system (14) with at least one computer supplied with very low voltage, wherein the direct current power supply is intended for being connected to an alternating current power supply network (12), which comprises a means (24) for storing electric power, by means of an AC/DC converter (16). The device also comprises a means (26) for charging a means (24) for storing electric power using part of the direct current supplied by the AC/DC converter (16) to the very low-voltage power supply of the data processing system (14), and a means (28, 30) for discharging the power stored in the electric power storage means (24) to the very low-voltage power supply of the data processing system (14), at a substantially constant predetermined very low voltage, following the detection of a power line disturbance in the power supply network (12).</p> |
