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A novel thermal network analysis method is introduced to investigate heat characteristic of high power density motor YJKK-500-4 in the paper. According to the special structure of motor and the related theories, and the influence of the motor cooler, radial ventilation channel, air gap and air flow in the rotor field spider to the motor temperature rise is fully considered, the thermal network model...
According to the problem of immeasurable working temperature of submersible motor, it established three-dimension finite element model of part of rotor iron core and half a rotor bearing in rotor three-dimension temperature field. The convective heat transfer coefficient between the lubrication oil in air gap of motor and rotor surface , oil of hollow shaft's were got by the heat transfer and fluid...
To calculate the temperature of 40 kW submersible motor of YQY143 Series, established the three-dimensional mathematical model of stator and rotor. To got the Temperature distribution in map through calculating the coupling field of Temperature field and fluid field by the method of FVM. And also we make the Comparison with the results calculated by FEM to make sure the result is correct, it shows...
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