In this paper, a developed mathematical model for temperature rise calculation is briefly described. In this model, at first, load loss of a transformer winding with forced directed oil is calculated and the winding temperature rise along the horizontal ducts and vertical ducts is computed. Then hot spot temperature and its exact location is determined. The model can also be used for optimal design of winding in size and cooling. Finally the results are given and compared with experiment values.
Volume Subject Area:
Microscale and Nanoscale Conduction and Radiation Heat Transfer
Topics:
Disks,
Flow (Dynamics),
Temperature,
Winding (process),
Ducts,
Cooling,
Design,
Power transformers,
Stress
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Copyright © 2008
by ASME
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