Iron loss evaluation method for SiFe sheet material under PWM inverter excitation

This study proposed an iron loss evaluation method for SiFe sheet material under high-frequency current ripple caused by pulse width modulation (PWM) inverter switching. The PWM inverter switching results in dynamic minor loops on the BH plane, leading to iron loss. Furthermore, in magnetic material...

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Bibliographic Details
Published in:AIP advances 2023-02, Vol.13 (2), p.025302-025302-5
Main Authors: Matsumori, Hiroaki, Yamaguchi, Taisei, Shimizu, Toshihisa, Kosaka, Takashi, Matsui, Nobuyuki
Format: Article
Language:English
Subjects:
Bias
Core loss
Evaluation
Flux density
Inverters
Magnetic fields
Magnetic materials
Mathematical analysis
Pulse duration modulation
Sheet material
Switching
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Summary:This study proposed an iron loss evaluation method for SiFe sheet material under high-frequency current ripple caused by pulse width modulation (PWM) inverter switching. The PWM inverter switching results in dynamic minor loops on the BH plane, leading to iron loss. Furthermore, in magnetic material with wide major loops, such as SiFe sheet material, the iron loss caused by one dynamic minor loop differs based on the flux density bias difference even for the same magnetic field bias. A previous study reported an iron loss calculation error because the conventional iron loss calculation method neglected the iron loss of the flux density bias characteristic in the same magnetic field bias. Therefore, we modified the previously developed iron loss measurement system to collect the iron loss of the flux density bias characteristic and proposed an iron loss calculation method for SiFe sheet material.
ISSN:2158-3226
2158-3226
DOI:10.1063/9.0000537