Torque ripple reduction in BLDC motor based ona PWM technique for open-end winding

• Autorzy: Baszyński Marcin

Identyfikatory

DOI

10.24425/aee.2021.136049

• Języki publikacji: EN

Abstrakty

EN

The article presents a modulation method for BLDC motors with unconnected windings. This method uses two full bridges (or three 12-switch H-bridges). The useof the described modulation enables reducing the motor current variable and increasing (fourfold in relation to the switching frequency) the motor current ripple frequency. Themost important benefit of using a 12-switch inverter is the twofold reduction of the dc-linkvoltage while maintaining the rated rpm (voltage reduction in comparison to a typical supplymethod). A voltage reduction causes a reduction in losses on semi-conductor elements. Thearticle also demonstrates that the proposed modulation technique significantly shortens thetime of current commutation between windings.

Słowa kluczowe

EN

BLDC motor; open-end winding; PWM technique; unipolar modulation

PL

silnik BLDC; uzwojenie otwarte; technika PWM; modulacja jednobiegunowa

• Wydawca: Polish Academy of Sciences, Committee on Electrical Engineering
• Czasopismo: Archives of Electrical Engineering
• Rocznik: 2021
• Tom: Vol. 70, nr 1
• Strony: 5--23
• Opis fizyczny: Bibliogr. 24 poz., rys., tab.

Twórcy

autor

Baszyński Marcin

• AGH – University of Science and Technology, Poland

• https://orcid.org/0000-0001-8145-1337

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).