Built-in permanent magnet synchronous motor
A permanent magnet synchronous motor, built-in technology, applied to synchronous motors with static armatures and rotating magnets, magnetic circuit rotating parts, magnetic circuit shape/style/structure, etc. It can solve the problems of low speed and poor comprehensive quality of permanent magnet synchronous motor, and achieve the effect of optimizing magnetic steel orientation, low fluctuation and improving air gap flux density waveform.
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[0023] The embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings, but the present embodiments are not intended to limit the present invention, and any similar structures and similar changes of the present invention should be included in the protection scope of the present invention.
[0024] Such as figure 1 As shown, a built-in permanent magnet synchronous motor provided by the first embodiment of the present invention includes a stator 1 and a rotor 2, and an air gap is left between the inner peripheral surface of the stator 1 and the outer peripheral surface of the rotor 2;
[0025] The rotor 2 is provided with a plurality of permanent magnet slots at axially symmetrical intervals around the central axis of the rotor 2, and three permanent magnets 31, 32, 33 are arranged in each permanent magnet slot, and three permanent magnets 31, 32, 33 are arranged in each permanent magnet slot. Among the magnets, on...
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