Answer：Permanent magnet synchronous motors are widely used as driving power in electric vehicles. Figure 10 is a photo on the Internet . It is the wheel side motor of BYD electric bus. It is a permanent magnet synchronous motor with a maximum power of 90kW....
Answer：Knowing how to use a product properly can have a huge impact on its performance and longevity. For example, knowing how to properly maintain cast iron pans can make them last longer. For electric motors, understanding the factors that affect motor li...
Answer：When the three-phase stator windings of the motor (each phase difference is 120 degrees in electrical angle), after the three-phase symmetrical alternating current is applied, a rotating magnetic field will be generated, and the rotating magnetic fie...
Answer：From the analysis of the mechanism of variable speed transmission, when the motor wheel is larger than the diameter of the driven equipment wheel, it is a transmission for obtaining high speed; on the contrary, when the motor wheel is smaller than th...
Answer：We have been asking ourselves a question, why is the problem of motor bearings a problem that many engineers hope to solve, but everyone has not systematically studied the application technology of motor bearings? Later, I found that all the previous...
Answer：there are certain differences between permanent magnet synchronous motors and AC asynchronous motors in terms of working principles, power factors, control methods, and applicable scenarios. Users need to choose the appropriate motor type according t...
Answer：The current module system of new energy vehicles is composed of many parts, such as battery, VCU, BSM, motor, etc., but these are relatively mature products. The internal emphasis is on the motor drive part, which is the core component of the motor d...
Answer：As an important choice for future travel, new energy vehicles rely on advanced technology to achieve efficient energy conversion and environmental performance. Nowadays, more and more consumers have begun to choose new energy vehicles. As the disadva...
Answer：For a three-phase asynchronous motor, the stator windings (with sinusoidal spatial distribution and p-poles) are connected to a three-phase symmetrical voltage supply to generate a rotating magnetic field. The rotor winding is usually a squirrel-cage...
Answer：Once the permanent magnet motor loses its magnetism, basically you can only choose to replace the motor, and the maintenance cost is a lot. How to judge the loss of magnetism of the permanent magnet motor, let's look down.
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