Title:
ISOLATED POWER SUPPLY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/166906
Kind Code:
A1
Abstract:
This isolated power supply device (100) comprises a plurality of transformers (60a-60e). In this isolated power supply device, the input side of each of the transformers is connected to a DC power supply (42), the output side of each of the transformers is connected to a power supply target (DCH, DCL, DUH-DWL) associated with the transformer, and at least two of the transformers among the transformers have a feedback winding (63a-63d). The isolated power supply device comprises: a controlling switch (51) that, by being turned on, supplies power from the DC power supply to the input side of each of the transformers, and by being turned off, stops the supply of power from the DC power supply to the input side of each of the transformers; acquisition units (50, 80) that acquire control values for feedback control on the basis of a voltage occurring in each of the feedback windings; and a control unit (50) that turns the controlling switch on and off in order to control the voltage on the output side of each of the transformers by feedback controlling the control values to be a target value.
Inventors:
HIRANO TAKESHI (JP)
OZAKI HITOSHI (JP)
TOKUMASU AKIRA (JP)
ASANO ATSUKI (JP)
OZAKI HITOSHI (JP)
TOKUMASU AKIRA (JP)
ASANO ATSUKI (JP)
Application Number:
PCT/JP2023/003400
Publication Date:
September 07, 2023
Filing Date:
February 02, 2023
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
H02M3/28
Foreign References:
| JP2016135089A | 2016-07-25 | |||
| JPS62196071A | 1987-08-29 | |||
| JPS55136872A | 1980-10-25 |
Attorney, Agent or Firm:
YAMADA, Tsuyoshi (JP)
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