Title:
POWER SUPPLY DEVICE AND ELECTRIC POWER SUPPLY METHOD
Document Type and Number:
Japanese Patent JP2017211717
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a power supply device and an electric power supply method capable of preventing reduction of electric power efficiency obtained from electric power sources.SOLUTION: The power supply device includes: plural electric power source transmission paths each having a DC power supply source; a switch that selects one from the plural electric power source transmission path and connects the same to a load; and a DC-DC converter connected to the switch and the load therebetween.SELECTED DRAWING: Figure 1
Inventors:
OSADA JUNICHI
Application Number:
JP2016102670A
Publication Date:
November 30, 2017
Filing Date:
May 23, 2016
Export Citation:
Assignee:
FUJITSU LTD
International Classes:
G05F1/67; H02J7/00; H02M3/00
Attorney, Agent or Firm:
Shuhei Katayama