| 摘要 |
<p>PURPOSE:To obtain an output for a main electric load to be preferentially used from a battery, etc., and to increase an opportunity of supplying power to a subelectric load having a different voltage. CONSTITUTION:A generator 1 is generated at a first set voltage to supply power to a battery 3 and to simultaneously supply an output to a high voltage load 7. When the power consumption of a load 12 is increased, the generator 1 exceeds its limited capacity soon and cannot supply the first set voltage to the battery 3. A power limiter 6 starts switching with the lower second set voltage than the first sot voltage, and so determines the ON duty ratio of switching the load 7 as not to reduce a voltage between the terminals of the battery 3 from the second set voltage.</p> |
