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Document IIF

Etude de la distribution de la température du moteur et du variateur de fréquence dans un compresseur électrique à spirale pour le conditionnement d’air des véhicules dans des conditions de refroidissement.

Study on the temperature distribution of motor and inverter in an electric scroll compressor for vehicle air conditioning under refrigeration conditions.

Auteurs : ZHANG S., WANG C., ZHONG H., ZHAO Z., FENG J., WU Q., WU J.

Type d'article : Article de la RIF

Résumé

In the electric scroll compressor for vehicle air conditioning, the heat generated by motor and inverter is mainly taken away by suction gas. It is necessary to maintain the working temperature of motor and inverter within a safe range to void overheat or burnout. The temperature distribution of motor and inverter under refrigeration conditions are studied using computational fluid dynamics (CFD) simulation in this paper. At first, a CFD fluidsolid coupling simulation model is developed and verified by temperature measurement experiment. The maximum deviation between the simulated temperature at three points on the compressor housing and the measured results does not exceed ±3◦C. Then the velocity and pressure distribution of fluid domain, and the temperature distribution of solid domains including the compressor housing, the stator coils and insulated gate bipolar transistor (IGBT) modules are analyzed. Next, the effects of operation conditions on the maximum working temperature and temperature distribution unevenness of stator coils and IGBT modules are discussed in detail. In addition, the working reliability of IGBT modules under refrigeration conditions is checked and the heat dissipation of IGBT modules is analyzed.

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Pages : p. 111-124

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Détails

  • Titre original : Study on the temperature distribution of motor and inverter in an electric scroll compressor for vehicle air conditioning under refrigeration conditions.
  • Identifiant de la fiche : 30032021
  • Langues : Anglais
  • Sujet : Technologie
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 154
  • Date d'édition : 10/2023
  • DOI : http://dx.doi.org/10.1016/j.ijrefrig.2023.05.012

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