Analytical Model of a Switched Reluctance Motor for its Optimization – Selected Problems

نویسندگان

  • Wieslaw JAZDZYNSKI
  • Michal MAJCHROWICZ
چکیده

An approach to modeling of a 6/4 type switched reluctance motor (SRM) is described in the paper. The modeling procedure is based on the reluctance network method and analytical solution of an ordinary differential equation. It allows for estimation of the torque, efficiency and acoustic noise of the motor taking into account the magnetic non-linearity and the control algorithm to keep a constant power. Some problems arising from the existence of mutual inductances are described as well. In a corresponding example eleven geometrical and winding parameters are supposed to be the input parameters in a corresponding synthesis program. Model is validated by means of FEM calculations. The proposed approach can be employed in designing and optimization of the SRM. Streszczenie. W artykule zaprezentowano sposób modelowania silnika reluktancyjnego przełączalnego typu 6/4. Model oparty jest na metodzie sieci reluktancyjnych oraz quasi-analitycznym rozwiązaniu równania różniczkowego zwyczajnego i pozwala na wyznaczenie wielkości takich jak moment, sprawność, hałas magnetyczny, uwzględniając nieliniowość magnetyczną rdzenia i sposób sterowania na stałą moc, w oparciu o kilkanaście parametrów wejściowych charakteryzujących konstrukcję. Weryfikacja modelu została przeprowadzona metodą elementów skończonych. Proponowane podejście może być wykorzystane w projektowaniu i optymalizacji SRM. (Model analityczny silnika reluktancyjnego przełączalnego do wykorzystania w optymalizacji – wybrane problemy).

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تاریخ انتشار 2013