Title:
DC power supply
Document Type and Number:
Japanese Patent JP6357976
Kind Code:
B2
Abstract:
A power supply equipment includes a plurality of units each including a capacitor and an isolated DC-DC converter connected between the both terminals of the capacitor, wherein DC input sides of the plurality of units are connected in series and the DC output sides are connected together in parallel. The DC power supply equipment also comprises control circuits to control the isolated DC-DC converters. The control circuits generate operation commands to operate some of the plurality of units in an alternating sequence with a same time ratio in a predetermined control period in a light load condition, and the control circuits control the isolated DC-DC converters of the units according to the operation command.
Inventors:
Ryuji Yamada
Application Number:
JP2014171047A
Publication Date:
July 18, 2018
Filing Date:
August 26, 2014
Export Citation:
Assignee:
Fuji Electric Co., Ltd.
International Classes:
H02M3/28
Domestic Patent References:
| JP2012217299A | ||||
| JP2011055637A | ||||
| JP2009195079A |
Foreign References:
| US20140153294 | ||||
| US20120300504 | ||||
| US6088248 |
Attorney, Agent or Firm:
Yuichi Morita