Although motor used in every aspect of life, but the drive motor due to power, torque, heat, noise, also meet the requirements of the output pulse is higher, the dongguan exterior rotor brushless motor, so still have much to do in terms of technology. Today, simple to meet with you some basic knowledge of motor.
Machine according to the different way of energy conversion, generally can be divided into motor and generator two functions. Can choose according to power type dc, ac, such as brushless permanent magnet or switched reluctance motor.
Which is suitable for new energy vehicles driven motor mainly include permanent magnet synchronous motor, ac asynchronous motor and switched reluctance motor three categories. Due to different structure and control characteristics in the car on the market of choice scope is also different.
In the field of passenger car, motor, at present main component is using induction (Asynchronous)Motor and permanent magnet (Synchronization)Motor large amount of genre, the former is the main representative of the tesla, while the latter is more mainstream, BMW and domestic most electric car manufacturers have used. What is the difference between the two?
Permanent magnet motor is a synchronous motor. Its use permanent magnet rotor, stator produce electromagnetic torque to drive the rotor magnetic field around the axis of rotation, the stator and the rotor's magnetic field is synchronized. And induction motor is asynchronous motor, model aircraft brushless motor rotating magnetic field is formed by the stator winding and rotor winding induced current in the magnetic fields resulting from the interaction between electromagnetic torque ac motor to drive the rotor rotation.
