Title:
POWER SUPPLY TOPOLOGY, MOTOR DRIVE CONTROLLER, AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2022/188098
Kind Code:
A1
Abstract:
A power supply topology, a motor drive controller, and a vehicle. The power supply topology comprises a first flyback power supply (201) and a first forward power supply (202). The first flyback power supply (201) is coupled to a first battery module and is used for converting a first direct current outputted by the first battery module into a second direct current, the second direct current being used for supplying power to a lower bridge arm of a drive circuit in the motor drive controller; and the first forward power supply (202) is coupled to the first flyback power supply (201) and is used for converting the second direct current into a third direct current, the third direct current being used for supplying power to an upper bridge arm of the drive circuit. The power supply topology is used for supplying power to the motor drive controller, reduces the size of a transformer, and saves the space of the whole vehicle.
Inventors:
TAO HONG (CN)
Application Number:
PCT/CN2021/080233
Publication Date:
September 15, 2022
Filing Date:
March 11, 2021
Export Citation:
Assignee:
HUAWEI DIGITAL POWER TECH CO LTD (CN)
International Classes:
H02P27/06; H02M3/28; H02M7/48
Foreign References:
| CN208401757U | 2019-01-18 | |||
| CN202696465U | 2013-01-23 | |||
| CN207853783U | 2018-09-11 | |||
| JP2017085895A | 2017-05-18 |
Other References:
See also references of EP 4287498A4
Attorney, Agent or Firm:
TDIP & PARTNERS (CN)
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