TY - GEN
T1 - An efficient analytical inductor core loss calculation method for two-level and three-level PWM converters based on a user-friendly loss map
AU - Wang, Jun
AU - Dagan, Kfir J.
AU - Yuan, Xibo
N1 - Publisher Copyright:
© 2019 IEEE.
PY - 2019/5/24
Y1 - 2019/5/24
N2 - This paper proposes an efficient analytical approach to calculate the inductor core loss for Pulse Width Modulation (PWM) converters with the aid of a pre-built, user-friendly core loss map. Loss map is the most practical approach to accurately estimate the core loss of an inductor exposed to PWM operation. To predict the inductor core loss, the inputs of the loss map needs to be retrieved from the steady-state inductor voltage/current waveforms. For estimation purpose, an analytical approach is proposed in this paper, which enables mathematical and simplified computation of the operating space and core loss of the inductor in a PWM converter. The proposed approach is developed for both 2-level and 3-level converters and then validated by experiments. The results indicate that a 3-level converter operates the same inductor with less core loss compared to a 2-level converter, when the maximum current ripple is kept equivalent by halving the switching frequency in the 3-level converter.
AB - This paper proposes an efficient analytical approach to calculate the inductor core loss for Pulse Width Modulation (PWM) converters with the aid of a pre-built, user-friendly core loss map. Loss map is the most practical approach to accurately estimate the core loss of an inductor exposed to PWM operation. To predict the inductor core loss, the inputs of the loss map needs to be retrieved from the steady-state inductor voltage/current waveforms. For estimation purpose, an analytical approach is proposed in this paper, which enables mathematical and simplified computation of the operating space and core loss of the inductor in a PWM converter. The proposed approach is developed for both 2-level and 3-level converters and then validated by experiments. The results indicate that a 3-level converter operates the same inductor with less core loss compared to a 2-level converter, when the maximum current ripple is kept equivalent by halving the switching frequency in the 3-level converter.
KW - Core loss
KW - Loss map
KW - Pulse Width Modulation
KW - Three level converters
KW - Two level converters
UR - http://www.scopus.com/inward/record.url?scp=85067132800&partnerID=8YFLogxK
U2 - 10.1109/APEC.2019.8722114
DO - 10.1109/APEC.2019.8722114
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AN - SCOPUS:85067132800
T3 - Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC
SP - 2912
EP - 2919
BT - 34th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2019
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 34th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2019
Y2 - 17 March 2019 through 21 March 2019
ER -