Design of Low Harmonic Modular Concentrated Winding


Release time:

2024-06-20

The permanent magnet motor of the direct-drive mill has the advantages of high power density, high power factor, high efficiency, small size, and wide operating range. Its rotor is a permanent magnet excitation without rotor excitation loss, and the permanent magnet excitation permanent magnet motor has a simple structure. The processing and assembly costs of the motor have also been reduced. The fractional slot concentrated winding has the characteristics of short end winding, which reduces the volume, quality and copper loss of the motor, and at the same time realizes the modular processing of the stator, so that the slot full rate can be greatly improved.

The permanent magnet motor of the direct-drive mill has the advantages of high power density, high power factor, high efficiency, small size, and wide operating range. Its rotor is a permanent magnet excitation without rotor excitation loss, and the permanent magnet excitation permanent magnet motor has a simple structure. The processing and assembly costs of the motor have also been reduced. The fractional slot concentrated winding has the characteristics of short end winding, which reduces the volume, quality and copper loss of the motor, and at the same time realizes the modular processing of the stator, so that the slot full rate can be greatly improved.

The magnetic circuit of the motor is optimized by the hysteresis barrier structure of the magnetic field modulation principle, the magnetic resistance of the low harmonic magnetic circuit is increased, and the design of the low harmonic modular concentrated winding motor is realized.

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