The rear wheel of the electric car is like it is stuck

time：2024-10-11 16:02:59 Review Insights

The rear wheels of an electric car don't turn like it's stuck?

There are two causes of this situation, namely: The first is because the controller (three-phase AC inverter) is suddenly damaged by high heat, and the output three-phase power supply forms a short circuit between the components (at least there is a short circuit between the two phases), and the motor is in a short-circuit power generation state (working in the state of energy consumption braking and braking) when it is pushed, which makes it very difficult to push. Solution: Remove the circuit connected to the motor by the controller, so that the motor can get rid of the short circuit of the controller, so that the motor is in the working condition of no-load operation of power generation when it is implemented, so that the implementation becomes easy. The second is caused by a sudden inter-turn short circuit inside the motor, even if the circuit is cut from the end of the motor at this moment, it is useless, and the implementation resistance will be great at the moment, so you can only find a car to pull it to the maintenance point to repair the motor.

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