Gac Aion New Energy Automobile Co. Ltd

Zhuliang Xia

Xiaokun Zhao

Wei Liu

Xiang Han

Huizhong Zhang

Lingwei Liang

Shu Cheng

Xingkun Qin

Zhantu Liao

Xiutian Liu

The present disclosure relates to a DC bus discharge control method, including that: an active discharge instruction is received; a motor current signal is acquired according to the active discharge instruction; the motor current signal is converted into a current signal in a stator coordinate system; a voltage control signal in the stator coordinate system is output based on the current signal in the stator coordinate system and a random current reference instruction of a preset stator coordinate system; and the voltage control signal in the stator coordinate system is converted into a three-phase voltage control signal, and a working state of a switching device is controlled according to the three-phase voltage control signal.

DC bus discharge control method and system, computer device, and storage medium

Provided is a Direct Circuit (DC) bus discharge control method, including that: an active discharge instruction is received; a motor current signal is acquired according to the active discharge instruction; the motor current signal is converted into a current signal in a stator coordinate system; a voltage control signal in the stator coordinate system is output based on the current signal in the stator coordinate system and a current reference instruction of a preset stator coordinate system, the current reference instruction of the preset stator coordinate system being a high-frequency alternating current; and the voltage control signal in the stator coordinate system is converted into a three-phase voltage control signal, and a working state of a switching device is controlled according to the three-phase voltage control signal.

DC bus discharge control method, apparatus and device, and storage medium

Growing community of inventors

Guangdong, China

Zhuliang Xia