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Modeling the Influence of Commutation in Voltage Source Inverters on Rotor Losses of Permanent Magnet Machines
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| Author(s) |
Marko MERDZAN, Aleksandar BORISAVLJEVIC, Elena LOMONOVA |
| Abstract |
Rotor losses in inverter-fed permanent magnet (PM) machines depend on stator current waveform andconsequently on inverter output voltage. These losses can be very harmful due to the vulnerability ofmagnets to heat. In this study, the rotor losses in high-speed PM machines supplied by voltage-sourcePWM inverters were analytically correlated with the inverter switching parameters. An analytical modelwhich shows the dependency of the rotor losses on a frequency modulation ratio was derived. Thederived model was verified by a 2D transient finite element model. |
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| Filename: | 0139-epe2014-full-14072020.pdf |
| Filesize: | 241.2 KB |
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| Type |
Members Only |
| Date |
Last modified 2015-06-08 by System |
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