Robust Thermal Model for the Estimation of Rotor Cage and Stator Winding Temperatures of Induction Machines

Christian Kral (Speaker), Anton Haumer, Sang Bin Lee

Research output: Chapter in Book or Conference ProceedingsConference Proceedings with Oral Presentationpeer-review

Abstract

In this paper a new model for the estimation of the stator winding and rotor cage temperatures of induction machines is presented. This model can be used in series applications of machines operated under dynamic load conditions where stator and rotor temperature shall be monitored. The proposed model relies on a simplified lumped element thermal equivalent circuit model where the stator core temperature serves as input quantity. The great advantage of this model is that it covers ambient and cooling conditions inherently. This leads to great simplicity and robustness. The parametrization and validation of the model through experimental data is presented. Advantages, drawbacks and possible implementations are discussed.
Original languageEnglish
Title of host publicationProceedings of International Conference on Electric Machines, ICEM
Number of pages7
Publication statusPublished - 2012
EventInternational Conference on Electric Machines, ICEM -
Duration: 2 Sept 20125 Sept 2012

Conference

ConferenceInternational Conference on Electric Machines, ICEM
Period2/09/125/09/12

Research Field

  • Not defined

Keywords

  • Squirrel cage induction machine
  • lumped element thermal equivalent circuit model
  • temperature estimation,cooling
  • dynamic load

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