Title:
THREE-PHASE POWER SUPPLY WITH BIDIRECTIONAL POWER CONVERSION
Document Type and Number:
Japanese Patent JP2021027792
Kind Code:
A
Abstract:
To provide a three-phase power supply that has bidirectional power conversion and charges a battery of an electric vehicle.SOLUTION: A three-phase power supply includes an AC/DC conversion unit 11, a first DC bus 12, a first DC/DC conversion unit, a second DC bus, and a second DC/DC conversion unit. The AC/DC conversion unit 11 is coupled to an AC power supply Vac. The first DC bus 12 is coupled to the AC/DC conversion unit 11. The first DC/DC converter unit includes an insulated transformer, a resonant tank, a first bridge arm assembly, and a second bridge arm assembly. The first bridge arm assembly is coupled to the primary side of the insulated transformer, and the first DC bus 12. The second bridge arm assembly is coupled to the secondary side of the insulated transformer. The second DC bus is coupled to the second bridge arm assembly. The second DC/DC converter unit is coupled to the second DC bus and a battery.SELECTED DRAWING: Figure 1A
Inventors:
HUANG WEN LONG
LI SHENG-HUA
LI SHENG-HUA
Application Number:
JP2019200657A
Publication Date:
February 22, 2021
Filing Date:
November 05, 2019
Export Citation:
Assignee:
TAIDA ELECTRONIC IND CO LTD
International Classes:
H02M7/48; H02M3/155; H02M3/28; H02M7/12; H02M7/487
Domestic Patent References:
| JP2005224012A | 2005-08-18 | |||
| JP2013059251A | 2013-03-28 | |||
| JP2018148637A | 2018-09-20 | |||
| JPH0417528A | 1992-01-22 |
Foreign References:
| WO2013118274A1 | 2013-08-15 |
Attorney, Agent or Firm:
Ebisu International Patent Office