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The stability of magnetic bearings will seriously affect the overall operation of the motor. Magnetic bearing temperature is closely related to the performance of magnetic bearing (MB) system. Therefore, loss calculation and thermal estimation are very important in the design of MB system. A MB system including a pure radial magnetic bearing (RMB) and a combined radial and axial magnetic bearing (CRAMB)...
The high-speed rotor supported by active magnetic bearings (AMBs) has been applied to air blower and gas compressor progressively for their advantages of high power density, low loss and small volume. In order to improve the modal of the multi-ring configuration rotor, the temperature gradient method was proposed. This method can reduce the axial gap width to increase the rotor stiffness and to further...
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