| · Home > Technology > Magnetic Bearing |
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| • Thrust magnetic bearings are divided into three types. (EM = ElectroMagnet, PM = Permanent Magnet) |
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Electromagnet Type
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Electromagnet +
Permanent Magnet Type
(Radial Magnetization) |
Electromagnet +
Permanent Magnet Type
(Axial Magnetization) |
| Rotor Thrust Collar Diameter
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Large
|
Small
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Small
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| Bias Current
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Required
|
Do not Required
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Do not Required
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Energy Loss
&
Stator Heating
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High
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Very low
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Very low
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| The Number of Current driver
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2 |
1 |
1 |
| Manufacture
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- |
Difficult
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Easy
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| • Radially and axially magnetized permanent magnet manufacturing method. |
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• Magnetar Applied Axially magnetized PM in thrust bearing.
• This enables high speed rotor design and ensures the reliability of repeated production. |
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| • Video : Thrust Magnetic Bearing – Levitation & Flux Flow |
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| • Test of Thrust Magnetic Bearing Axially Performance |
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