Motor zero angle calibration system, method and equipment and storage medium

The invention discloses a motor zero angle calibration system, method and device and a storage medium, and belongs to the technical field of vehicles. In the system, a motor controller adjusts a working mode to a calibration mode based on a first control instruction of calibration equipment, configures a direct current component of current on a direct axis to a first preset value in the calibration mode, adjusts the direct current component of the current on the direct axis based on a first preset step length until a second preset value is reached, and outputs a calibration result. The calibration device obtains a first zero angle. And when the number of calibration times reaches the preset number of calibration times, the calibration device determines a target zero angle based on the preset number of calibration times and the first zero angle obtained during each time of calibration, and writes the target zero angle into the motor controller. According to the system, the target zero angle can be accurately d