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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Hecker, Q. Ccoa, J.A.B. Meyer, W. Herzog, H.-G. |
| Copyright Year | 2013 |
| Description | Author affiliation: Inst. of Energy Conversion Technol., Tech. Univ. Munchen, Munich, Germany (Hecker, Q.; Ccoa, J.A.B.; Meyer, W.; Herzog, H.-G.) |
| Abstract | The operation of a squirrel-cage induction machine as a traction motor requires the consideration of an operating range in the design process. The machine has to provide an almost constant mechanical power on the shaft within a speed range which is defined by the Constant Power Speed Ratio CPSR. This is the main difference compared to the conventional design process of electrical machines which takes only the nominal operation point into account. The herein introduced design method formulates an optimization problem. The solution is the full draft of the squirrel-cage induction machine. For this purpose the optimization algorithm NSGA-II is used which requires a complete mathematical description of the induction machine. The optimization algorithm minimizes the difference between the desired Constant Power Speed Ratio $CPSR_{des}$ and the calculated Constant Power Speed Ratio $CPSR_{cal}.$ $CPSR_{des}$ is defined by the intersection point between the torque-speed characteristic of the inner torque and the torque-speed characteristic of the breakdown torque. $CPSR_{cal}$ is calculated by the ratio between the nominal torque and the break-down torque. Both torques are expressed by the equivalent circuit parameters of the squirrel-cage induction machine which is the result of a general derivation of the inner torque. The lumped parameters of the equivalent circuit are calculated in turn by the corresponding geometrical, electric and magnetic parameters of the machine. To verify the design methods functionality a comparison to a full classical design of a squirrel-cage induction machine is carried out. |
| Sponsorship | IEEE Ind. Electron. Soc. |
| Starting Page | 1160 |
| Ending Page | 1165 |
| File Size | 346890 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781467349758 |
| e-ISBN | 9781467349741 |
| e-ISBN | 9781467349734 |
| DOI | 10.1109/IEMDC.2013.6556306 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-05-12 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Stator windings Rotors Equations Mathematical model Torque Induction machines optimization induction machine automated design torque-speed characteristic |
| Content Type | Text |
| Resource Type | Article |
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