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UID:pretalx-amfc2026-8YE79S@modelica.simtek.cc
DTSTART;TZID=CST:20260922T141500
DTEND;TZID=CST:20260922T144000
DESCRIPTION:Low-voltage motors are increasingly used in steering\, cooling\
 , pumping\, and cabin-control subsystems of newenergy vehicles\, and exces
 sive temperature can impair their reliability. This paper develops a compa
 ct Modelica thermal-network model for an external-rotor low-voltage perman
 ent-magnet synchronous motor. The model represents the principal heat sour
 ces\, lumped heat capacities\, and conductive\, convective\, and radiative
  heat-transfer paths. For the tested mass-produced motor\, an end-to-end s
 imulation of 30 min of physical operation completed in approximately 2s. C
 omparison with measured housing temperature for one operating case yielded
  a maximum relative discrepancy of 5.9%\, occurring at the housing-tempera
 ture measurement point. These results indicate that the model is a computa
 tionally efficient reduced-order tool for the motor and operating range st
 udied. Because the experimental comparison is limited to one motor type an
 d one measured temperature location\, accuracy and parameter transferabili
 ty must be reassessed before the model is applied to other motor topologie
 s or cooling arrangements.
DTSTAMP:20261004T070607Z
LOCATION:(Electric) Mobility & Buildings (R2003)
SUMMARY:Thermal Simulation of a Low-Voltage Motor Based on a Thermal Resist
 ance Network - Zhixu Chen\, Bing Yu\, Han Tan\, Haiying Ou\, Xiaodong Xu
URL:https://modelica.simtek.cc/amfc2026/talk/8YE79S/
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