Title:
UNINTERRUPTIBLE POWER SUPPLY DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/261366
Kind Code:
A1
Abstract:
A control device (5) of an uninterruptible power supply device executes a lap feed mode for turning on first switches (S1-S3) and second switches (S4, S5) and turning off third switches (S7-S9) during an inverter feed mode, turning on the first and third switches and turning off the second switches during a bypass feed mode, and turning off the first switches and turning on the second and third switches in a changeover period in which a changeover is made from one of the inverter feed mode and the bypass feed mode to the other.
Inventors:
ABE SHOICHI (JP)
Application Number:
PCT/JP2019/025104
Publication Date:
December 30, 2020
Filing Date:
June 25, 2019
Export Citation:
Assignee:
TOSHIBA MITSUBISHI ELEC IND (JP)
International Classes:
H02J9/06
Domestic Patent References:
| WO2011036767A1 | 2011-03-31 | |||
| WO2017017719A1 | 2017-02-02 |
Foreign References:
| JPH0233357B2 | 1990-07-26 | |||
| JP2009124836A | 2009-06-04 | |||
| JPH114544A | 1999-01-06 |
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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