Brushless DC motor (BLDC) and permanent magnet synchronous motor (PMSM) differences

1, structural differences, brushless DC motors usually rotor poles using tile magnets, after the magnetic circuit design, you can get trapezoidal wave of air gap magnetic density, stator winding more concentrated whole pitch winding, so the induction counter-electromotive force is also trapezoidal wave. Brushless DC motor control requires position information…

High-speed motor definition, application, key technology, development status! Do you know the seven main issues of high speed motor design?

Introduction of high speed motor High-speed motor usually refers to the motor whose speed exceeds 10000 r / min. High-speed motors are small in size, can be directly connected to high-speed loads, eliminating the need for traditional mechanical speed increase devices, reducing system noise and improving system transmission efficiency. Currently,…

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