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Analytically Computing Winding Currents to Generate Torque and Levitation Force of a New Bearingless Switched Reluctance Motor
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| Author(s) |
Li Chen, Wilfried Hofmann |
| Abstract |
The paper has developed a new bearingless
switched reluctance motor (SRM) with the same winding
structure of a common SRM. In order to generate the
suspending force and torque at the same time, more than
two windings are used. One developed analytical model for
the flux linked by a phase of the SRM, which includes the
iron saturation and the fringing flux between teeth of the
stator and rotor, is applied, in order to fulfill the calculation
of currents. First it is used to obtain an analytical expression
for the SRM´ co-energy. Then equations of torque and
radial forces are gotten by derivation of the co-energy for
turn angle and air gap. Coupling inductances of windings
are analysed in the calcualtion. Finally one finite-elementmethod
(FEM) calculation is used to verify the effective
theoretical calculation and analysis. |
| Download |
| Filename: | T4-312.pdf |
| Filesize: | 353.7 KB |
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| Type |
Members Only |
| Date |
Last modified 2007-03-12 by System |
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