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PWM Influence on the Iron Losses and Characteristics of a Slotless Permanent-Magnet Motor With SiFe and NiFe Stator Cores

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PROJECT TITLE :

PWM Influence on the Iron Losses and Characteristics of a Slotless Permanent-Magnet Motor With SiFe and NiFe Stator Cores

ABSTRACT:

This paper investigates the influence of switching frequency and modulation index combined with welding on the iron losses in thin silicon–iron and nickel–iron lamination sheets of a tiny slotless permanent-magnet synchronous machine (PMSM). Initial, measurements are conducted on welded and nonwelded stator ring cores for switching frequencies between 1 and twenty kHz and modulation indexes of 0.four, 0.7, and zero.nine, keeping constant elementary flux density peak values. This is attainable by changing the dc-link voltage of the inverter. The obtained measurement data are afterward used in finite-part technique simulations to research the inverter influence on the performance of the PMSM.


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PWM Influence on the Iron Losses and Characteristics of a Slotless Permanent-Magnet Motor With SiFe and NiFe Stator Cores - 4.5 out of 5 based on 2 votes

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