Electromechanical control circuit, electric drive assembly system and vehicle

JP2025518381A5Pending Publication Date: 2026-06-08VALEO EAUTOMOTIVE GERMANY GMBH
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
VALEO EAUTOMOTIVE GERMANY GMBH
Filing Date
2023-06-05
Publication Date
2026-06-08

AI Technical Summary

Technical Problem

Existing vehicle charging systems require additional DC boost charging circuits, increasing structural complexity and manufacturing costs, while also limiting the flexibility and performance of AC electromechanical machines.

Method used

An electromechanical control circuit utilizing a three-phase AC electromechanical component with a three-phase inverter, where the three-phase windings act as the inductive energy storage element in the DC boosting charging circuit, eliminating the need for additional inductive elements and enhancing the rotational speed of the electromechanical machine.

Benefits of technology

The proposed solution simplifies the charging process, reduces manufacturing costs, and enhances the performance of AC electromechanical machines by achieving high rotational speeds and reliable boost charging without additional inductive elements.

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Abstract

An electromechanical control circuit (100), an electric drive assembly system, and a vehicle are disclosed. The electromechanical control circuit (100) includes a three-phase AC electromechanical machine (111) and a three-phase inverter (112). In the electromechanical drive mode, the three-phase inverter (112) is configured to receive DC power from an external power battery (200) and output AC power for driving the three-phase AC electromechanical machine (111). In the DC boost charging mode, the three-phase windings in the wire slots of the electromechanical stator of the three-phase AC electromechanical machine (111) are used as inductive energy storage elements (La, Lb, Lc) of a DC boost charging circuit. The inductive energy storage elements (La, Lb, Lc) and the three-phase inverter (112) cooperate to form a DC boost charging circuit. As a result, an external power module charges the external power battery (200) through the DC boost charging circuit. The three-phase inverter (112) is provided, and the wire slots are at least 54 wire slots.
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