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Influence of Different Switching Frequencies and Modulation Techniques on IPMSM and Inverter Losses Optimizing the Overall Drive Train Efficiency

, , , , und . PCIM Europe 2017; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, Seite 1-5. (Mai 2017)

Zusammenfassung

For the optimization of the drive train efficiency, a trade-off between inverter and machine losses is of importance. The inverter's switching frequency and modulation technique influence these losses. In this paper the power loss characteristics of a 70 kW interior permanent magnet synchronous machine are analyzed for different switching frequencies and modulation techniques. Furthermore the machine losses are opposed to the losses of a three phase two-level voltage source inverter. Finally the benefit through the optimization process is shown for several operating points and utilized on a driving cycle. The results of the paper are derived from measurements on a test bench.

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BibTeX-Schlüssel:
7990931
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