电压逆变电路的控制方法、装置、电机驱动系统及车辆

By switching the state of the bridge arm group switching transistors in stages in the voltage inverter circuit, the problem of large common-mode voltage variation under zero-current conditions is solved, the common-mode current and electromagnetic interference are reduced, and the stability and performance of the motor drive system are improved.

CN117353597BActive Publication Date: 2026-07-17XIAOMI EV TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XIAOMI EV TECH CO LTD
Filing Date
2023-11-16
Publication Date
2026-07-17

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Abstract

本公开提供的一种电压逆变电路的控制方法、装置、电机驱动系统及车辆，涉及电子电路技术领域，方法包括：在所述电压逆变电路处于零电流工况以及所述第一零矢量状态的情况下，依次针对所述电压逆变电路中的不同桥臂组进行开关管状态切换操作，使得所述电压逆变电路从所述第一零矢量状态切换到所述第二零矢量状态。采用该方法可以减小共模电压感应产生的共模电流。
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