Title:
CHARGER, CHARGER CONTROL METHOD, AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2024/045934
Kind Code:
A1
Abstract:
A charger, comprising a controller (1), an alternating-current-side capacitor assembly (2), a power factor correction circuit (3), a bus capacitor assembly (4), and a DC-DC converter (5). The bus capacitor assembly (4) comprises a first capacitor (C1) and a second capacitor (C2). The alternating-current-side capacitor assembly (4) is connected to both the first capacitor (C1) and the second capacitor (C2). When the charger is in a single-phase alternating-current charging mode, the controller (1) is used to dynamically adjust an on-duty ratio of a high-frequency bridge arm of the power factor correction circuit (3) according to the voltage of an alternating current, so as to discharge the voltage of the alternating-current-side capacitor assembly (4), perform power factor correction on the alternating current, and input a direct current outputted from the power factor correction circuit to the DC-DC converter (5). Also provided are a charger control method and a vehicle.
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Inventors:
LIU WEIDONG (CN)
WANG CHAO (CN)
WANG XINGHUI (CN)
WANG CHAO (CN)
WANG XINGHUI (CN)
Application Number:
PCT/CN2023/108245
Publication Date:
March 07, 2024
Filing Date:
July 19, 2023
Export Citation:
Assignee:
BYD CO LTD (CN)
International Classes:
B60L53/00; H02H9/02
Foreign References:
| CN112803385A | 2021-05-14 | |||
| CN109861357A | 2019-06-07 | |||
| CN111355287A | 2020-06-30 | |||
| CN1801588A | 2006-07-12 | |||
| EP3790156A1 | 2021-03-10 | |||
| DE102018208264A1 | 2019-11-28 |
Attorney, Agent or Firm:
INNOTRACK INTELLECTUAL PROPERTY LAW FIRM (CN)
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