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  • YUYAO YUANZHONG MOTOR PUNCHING CO.,LTD.

  •  [Zhejiang,China]
  • Business Type:Manufacturer
  • Main Mark: Asia , Europe , Americas , East Europe , North Europe , West Europe , Worldwide , Middle East
  • Exporter:51% - 60%
  • Certs:ISO9001, GB
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YUYAO YUANZHONG MOTOR PUNCHING CO.,LTD.

Home > News > Advantages and disadvantages of iron free motor
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Advantages and disadvantages of iron free motor

Coreless motor is a new type of special motor represents the future direction of motor industry, divided into coreless motor and generator without iron core, the iron core coil, brush, no magnetic damping, rare earth permanent magnet electric technology, has changed the traditional motor using silicon steel plate and the stator winding structure, combined with intelligent electronic frequency conversion technology. The motor system efficiency is increased to more than 95%.


No iron core motor has three major technical advantages. First, compared with the traditional radial magnetic field structure design, the axial magnetic field structure is designed, and the power density and the torque volume ratio are greatly improved. The two is to use the new winding process, high pressure precision die casting and polymer materials to effectively reduce the copper loss of winding. The three is that the silicon steel sheet is not used as the stator and rotor core material, which eliminates the magnetic damping and iron loss, reduces the driving power and reduces the heat loss of iron loss.
The core less motor power covers 1KW-5500KW, which can be applied to a wide range of fans, pumps, compressors and other general equipment. It can also be used in electric vehicles, wind power generation, CNC machine tools, oil field control units, mobile power plants and other fields.
Coreless motor deficiencies: 1, large air gap (usually copper winding, and the air permeability, resulting in almost) required excitation magnetic potential, magnet high cost; 2, 3 winding complex manufacturing process; carbon brush coil, easy to damage, easy maintenance.

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