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Magnetic Levitation Motor


We have established a joint laboratory with a university's magnetic bearing research institute, constructed an integrated "production, learning, research, and application" development approach, and adopted the "magnetic levitation high-speed motor + application scenario" model. This model allows us to leverage our technological advantages while promoting the coordinated development of the regional industrial chain. The magnetic levitation bearings, permanent magnet motors, and high-speed frequency converters we develop have application areas covering energy equipment, fluid machinery, high-end equipment, medical equipment, as well as scenarios without mechanical bearings. 


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Magnetic Levitation Motor

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Product Details

Product Description: 
We have established a joint laboratory with a university's magnetic bearing research institute, constructed an integrated "production, learning, research, and application" development approach, and adopted the "magnetic levitation high-speed motor + application scenario" model. This model allows us to leverage our technological advantages while promoting the coordinated development of the regional industrial chain. The magnetic levitation bearings, permanent magnet motors, and high-speed frequency converters we develop have application areas covering energy equipment, fluid machinery, high-end equipment, medical equipment, as well as scenarios without mechanical bearings. 
Magnetic levitation motors, also known as magnetic bearing motors, differ from traditional motors in that they use magnetic bearings instead of ball bearings or floating bearings. During use, the rotor of the magnetic levitation motor slides relative to the stator, reducing power loss caused by sliding friction and eliminating the need for additional lubrication maintenance. 
As a new type of electric motor, the magnetic levitation motor has received favorable market feedback since its launch. 


Application areas of magnetic levitation high-speed motors 
Energy equipment: Flywheel batteries, nuclear energy equipment, low-temperature waste heat power generation, wind turbines 
Fluid machinery: Compressor, blower, expander 
High-end equipment: Aviation engines, satellite navigation, marine engineering equipment, intelligent manufacturing equipment 
Medical equipment: Artificial heart pump, blood pump 
Others: Bearingless motors, etc. 


Magnetic levitation motor applied in blower: 
The motor is used in magnetic levitation blowers, which are the core hosts of magnetic levitation blower equipment. Magnetic levitation blowers have advantages such as high efficiency, energy saving, low noise and environmental protection, intelligent control, and maintenance-free. They are widely used in industries such as municipal sewage, landfill leachate, electronic semiconductor, biopharmaceuticals, coal coking, paper and pulp, cement building materials, steel metallurgy, dyeing and textile, food fermentation, flue gas desulfurization, and oxidation. 

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● Centrifugal impeller directly connected, without speed-up gear box 
● Frequency conversion speed control 
● Energy saving and high efficiency, with an energy saving rate of 30% or more 
● Low noise, not exceeding 80db 
● Basically maintenance-free 
● No vibration, no need for vibration monitoring 


Technical features: 
Based on the magnetic levitation bearing technology of Tsinghua University and the background of nuclear power application, the technology is mature, reliable, and has a lifespan of more than 20 years. 
It uses international technology permanent magnet synchronous high-speed motor, which has high efficiency, fast dynamic response, small rotational inertia, and compact structure. 
Compared with the traditional volumetric fan, the efficiency can be increased by more than 30%, compared with the traditional multi-stage centrifugal fan, the efficiency can be increased by 20%, compared with the gear-accelerated single-stage centrifugal fan, the efficiency can be increased by 12%. 

Name Item Core parameters 
Drive motor  Motor model  ZXG-31518
Rated voltage 540VDC
Rated power  315kw
Rated current  583A
Rated speed 18000rpm
Maximum efficiency  ≥98%
Boost pressure (kpa) 60~120
Flow rate (mm3/min)      170~300
Bearing Magnetic bearing 
Protection class  IP23/IP54

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