Systems and methods for a dual action bridge in an electrical device

By designing a reconfigurable traction-charging system in electric vehicles and utilizing existing motor and inverter components, switching between traction mode and charging mode is achieved, solving the problem of fast charging of electric vehicles, reducing facility costs and improving charging convenience.

CN120749931APending Publication Date: 2025-10-03ZHEJIANG HANMINGBO NEW ENERGY CO LTD
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Patent Information

Application Number
CN202411370794.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2024-03-26
Filing Date
2024-09-29
Publication Date
2025-10-03

AI Technical Summary

Technical Problem

The lack of efficient and economical fast charging solutions for electric vehicle charging facilities has limited charging speeds and restricted the popularization of electric vehicles.

Method used

A reconfigurable traction-charging system is designed, which combines a motor, an inverter, an output rectifier and a configurator. It switches between traction mode and charging mode through a controller and utilizes the motor and inverter components of existing electric vehicles to achieve high-power charging and mechanical power output.

Benefits of technology

It achieves fast and efficient battery charging in electric vehicles, reduces the cost of external equipment required to provide high-power charging for the on-board charging system, and improves the charging convenience and popularity of electric vehicles.

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Abstract

Systems and methods for a dual action bridge in an electrical device are disclosed. The present teachings relate to methods and systems for charging a rechargeable battery deployed in an electrical device. The system resides in an electrical device. The system includes an electric machine, an inverter, an output rectifier, a configurator, and a controller. The electric machine includes a stator having a plurality of stator teeth and a plurality of stator windings wound around the plurality of stator teeth. The inverter includes a plurality of power switching devices. The configurator has contactors coupled with the plurality of stator windings and the plurality of power switching devices. A controller controls the plurality of power switching devices and the plurality of contactors to configure the system to operate in one of a traction mode and a charging mode in which a dual active bridge is created that can receive power from or distribute power to an external power source.
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