Motor heating method and device, motor controller, electric vehicle and storage medium

The invention discloses a motor heating method and device, a motor controller, an electric automobile and a storage medium, and relates to the technical field of electric automobiles, the method is applied to the motor controller, and the method comprises the steps of obtaining a motor heating instruction; obtaining a target high-frequency rotating current vector according to the motor heating instruction, wherein the target high-frequency rotating current vector comprises a target current amplitude and a target rotating frequency; and controlling the motor to work in an out-of-step operation mode according to the target high-frequency rotating current vector so as to generate motor loss which comprises copper loss and iron loss. The problem that in the prior art, motor heating is unbalanced in three-phase winding heating, and the motor performance is affected is solved, and the effect of improving the efficiency of heating the power battery through motor heating in the electric automobile is achieved. 本发明公开了