| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power supply device and voltage regulation method capable of improving efficiency with a simple configuration. <P>SOLUTION: The power supply device 1 comprises: a battery module 10 in which a plurality of battery cells 11 are connected in series; a converter 20 including a primary circuit with primary windings 21 and transistors 22 provided to meet each of the battery cells 11 and a secondary circuit with a secondary winding 27 magnetically coupled to each of the primary windings 21; and a control part 50 for controlling the transistors 22 provided in the primary circuit of the converter 20 so that an output voltage of the secondary circuit is constant, using an output of the secondary circuit in the converter 20 as a power supply. <P>COPYRIGHT: (C)2012,JPO&INPIT |
