The excitation of the electric vehicle motor is to control the stator voltage to produce changes in the magnetic field, thereby changing the motor's speed, which is a key factor that can affect or even determine the motor's operating efficiency. Therefore, when purchasing a motor, you also need to refer to the excitation method of the motor, so that you can better choose a motor that meets your needs. Then the editor will introduce what the four major excitation methods of its motor are.

　　1. Separately excited DC motor

　　The field winding and the armature winding have no connection relationship, and the electric vehicle motor whose field winding is powered by other DC power sources is called separately excited. The permanent magnet electric motor can also be regarded as separately excited or self-excited. It is generally directly called the excitation mode as permanent. magnetic.

　　2. Shunt DC motor

　　The field winding and armature winding of a shunt-excited electric vehicle motor are connected in parallel. For a shunt-excited motor, the terminal voltage generated by the motor itself supplies power to the field winding; for a shunt-excited motor, the field winding and the armature share the same power supply. , in terms of performance, it is the same as a separately excited motor.

　　3. Series DC motor

　　The field winding and armature winding of the series electric vehicle motor are connected in series and then connected to the DC power supply.

      4. Complex excitation DC motor


　　Compound excitation motor has parallel and series excitation two excitation windings. If the series-excited winding flux potential and the parallel-excited winding flux potential generated in the same direction is known as the cumulative re-excitation. If the two flux potential direction is opposite, it is called differential re-excitation.


　　So in the purchase of electric vehicle motors, not only look at the quality of the motor, the use of efficiency can be, but also need to choose a more suitable for their own needs of a kind of excitation, so as to be able to use the motor's efficacy fully and stably played out. At the same time, I would like to remind everyone, in order to buy a good quality, suitable for the needs of the working conditions of the motor, be sure to learn more about the motor information