Abstract
AbstractIn developing electrical machines, temperature limits is a key factor which affects the efficiency of the overall design. Since it is expensive to load and find temperature in an electrical machine conventionally, the estimation of temperature rise by various techniques became increasingly important. In the present paper, temperature rise is estimated using finite element method. A 2-D steady state analysis is carried out on an 8/6 Switched Reluctance Machine to observe the temperature distribution and maximum temperature. For the transient thermal analysis, the load corresponding to maximum temperature is taken as initial condition. From the transient analysis, heat distributions at various load steps are observed. Simulation results are presented under steady state and transient conditions and are validated experimentally. Comparisons with experimental results obtained with a 2 H.P. Switched Reluctance Machine show the effectiveness of the developed model to predict the temperature rise for a range of operating conditions.KeywordsLossesFinite element methodSwitched reluctance machineTemperature
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