Takeshi Hara
Technology Group1 Technology Division,
Electric & Electronics control system development Division,
Innovation & Technology Division,
YANMAR HOLDINGS CO.,LTD.
Abstract
It is possible to efficiently develop motor if we can evaluate not only magnetic design but also thermal and vibration characteristic at early phase of motor design. As high frequency component of electric current such as PWM frequency causes temperature raise and vibration, it is important to consider frequency component of electric current.
In this paper, we calculate electric current by magnetic field analysis considering PWM frequency and compare the calculated result with measured data. We also report the case of evaluating magnetic field, thermal, and vibration simultaneously the function of JMAG-Express V22.2.
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