Title:
DC POWER SUPPLY SYSTEM
Document Type and Number:
WIPO Patent Application WO/2012/093538
Kind Code:
A1
Abstract:
Provided is a DC power supply system that controls a DC power supply unit to be within a predetermined voltage range. An electricity storage facility is connected to the DC power supply unit that supplies DC power from a commercial power distribution system, via a power converter to a load. The voltage of the DC power supply unit is monitored, and the power converter is controlled so that when the voltage of the DC power supply unit falls below the predetermined voltage range, electrical power is supplied from the commercial power distribution system to the DC power supply unit, and when the voltage of the DC power supply unit exceeds the predetermined voltage range, electrical power is supplied from the DC power supply unit to the commercial power distribution system.
Inventors:
MATSUI RYOJI
Application Number:
PCT/JP2011/078171
Publication Date:
July 12, 2012
Filing Date:
December 06, 2011
Export Citation:
Assignee:
SHARP KK (JP)
MATSUI RYOJI
MATSUI RYOJI
International Classes:
H02J1/12; H01M10/44; H01M10/48; H02J1/00; H02J7/35
Foreign References:
| JP2006129585A | 2006-05-18 | |||
| JP2009142013A | 2009-06-25 | |||
| JPH06327146A | 1994-11-25 |
Other References:
None
Attorney, Agent or Firm:
NOGAWA, Shintaro et al. (JP)
Shintaro Nogawa (JP)
Shintaro Nogawa (JP)
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Claims: