A magnetic flux switching motor with multiple symmetrical windings and its winding design method
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A magnetic flux switching motor, symmetrical winding technology, applied in the shape/style/structure of winding conductors, electrical components, electromechanical devices, etc. Affect the amplitude and motor output, etc., to achieve the effect of easy winding design steps, simple and clear calculation formula, and improved average value
What is AI technical title?
AI technical title is built by PatSnap AI team. It summarizes the technical point description of the patent document.
A magnetic flux switching motor, symmetrical winding technology, applied in the shape/style/structure of winding conductors, electrical components, electromechanical devices, etc. Affect the amplitude and motor output, etc., to achieve the effect of easy winding design steps, simple and clear calculation formula, and improved average value
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[0041] The innovation of the present invention is: the x-fold n-phase symmetrical winding of the magnetic flux switching motor adopts the winding design method disclosed in the present invention, and the specific implementation plan is as follows:
[0042] 1) Firstly, according to the total number of phases m and the total number of coils N, the number of coils in each phase is determined as N / m, usually every two coils are connected to form a coil group, then the number of coil groups in each phase is N / (2m ). Based on the potential star diagram of the slot conductor, every two coils with winding complementarity are connected in series to form a coil group (if the no-load induced potential phase difference of the two complementary coils is 180°, reverse series; if the two complementary coils The phase difference of the no-load induced potential is 0°, then it is forward connected in series), thus forming a total of N / 2 coil groups, and the phase difference of the induced pote...
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Abstract
The invention discloses a multiple symmetrical winding magnetic flux switching motor and a winding design method thereof. The method is based on exertion of complementarity of windings of the magnetic flux switching motor with maximization of induced electric potential of each phase as the principle, and coil compositions of a phase winding, coil compositions of a set of symmetrical windings and coil connection types of all phase windings are obtained in sequence through optimizing the phase difference between two sets of adjacent symmetrical windings. The winding design method is clear in thinking and easy to operate. The multiple symmetrical winding magnetic flux switching motor has the advantages of being high in no-load induced electric potential sine degree and winding utilization rate, large in torque output and small in electromagnetic torque pulsation, and superior motor performance is embodied.
Description
technical field [0001] The invention belongs to the field of motor winding structure design, and relates to a magnetic flux switching motor with multiple symmetrical windings and a winding design method thereof. Background technique [0002] The flux switching permanent magnet motor has the characteristics of high torque (power) density, high efficiency, and solid rotor structure, and is especially suitable for high-performance drive and high-speed applications. With the continuous improvement of performance requirements for the power level, fault-tolerant operation and reliability of the motor system in the application, the multi-phase flux switching permanent magnet motor has increasingly become a key topic for universities and research institutions at home and abroad, because it not only It retains the advantages of ordinary three-phase flux switching permanent magnet motors, and also has significant advantages in the following four aspects: [0003] (1) In high-power ap...
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