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Patent Searching and Data


Title:
DC POWER SUPPLY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/006340
Kind Code:
A1
Abstract:
A control unit of this DC power supply device is configured to either simultaneously perform control to turn off a serial switching element and a conduction switch element, and then perform control to turn off a semiconductor switching element, or else perform control to turn off the serial switching element, the conduction switch element, and the semiconductor switching element in the given order.

Inventors:
KITANO AKIHIRO (JP)
NAGAMITSU YOSHINORI (JP)
Application Number:
PCT/JP2020/027063
Publication Date:
January 14, 2021
Filing Date:
July 10, 2020
Export Citation:
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Assignee:
FUJI ELECTRIC CO LTD (JP)
International Classes:
H01H33/59; H02M7/06; H03K17/12; H03K17/567
Domestic Patent References:
WO2016199497A12016-12-15
Foreign References:
CN109950866A2019-06-28
JP2020024830A2020-02-13
JP2020014045A2020-01-23
Attorney, Agent or Firm:
MIYAZONO, Hirokazu (JP)
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