TY - GEN
T1 - Optimized Third-Harmonic Current Injection for Torque Ripple Mitigation in MV Drives Under Single-Phase Open Fault
AU - Kim, Taeyun
AU - Suh, Yongsug
N1 - Publisher Copyright:
© 2025 IEEE.
PY - 2025
Y1 - 2025
N2 - This paper proposes a novel method for reducing torque ripples caused by single-phase open failure in large-capacity multi-phase motor drive systems. Conventional methods suffer from issues such as increased current magnitude and reduced power factors. To address these limitations, the proposed approach injects three harmonic currents without altering the fundamental phase current. A weight vector is derived to minimize the second harmonic component of torque ripple, and the corresponding third harmonic current is calculated and added to the current command. The effectiveness of the proposed control method was validated through mathematical analysis using MATLAB and experimentally verified using hardware-in-the-loop (HIL) testing.
AB - This paper proposes a novel method for reducing torque ripples caused by single-phase open failure in large-capacity multi-phase motor drive systems. Conventional methods suffer from issues such as increased current magnitude and reduced power factors. To address these limitations, the proposed approach injects three harmonic currents without altering the fundamental phase current. A weight vector is derived to minimize the second harmonic component of torque ripple, and the corresponding third harmonic current is calculated and added to the current command. The effectiveness of the proposed control method was validated through mathematical analysis using MATLAB and experimentally verified using hardware-in-the-loop (HIL) testing.
KW - Harmonic current injection
KW - Multi-phase motor drive system
KW - Single-phase open failure
KW - Torque ripple reduction
UR - https://www.scopus.com/pages/publications/105030339633
U2 - 10.1109/ECCE58356.2025.11260228
DO - 10.1109/ECCE58356.2025.11260228
M3 - Conference paper
AN - SCOPUS:105030339633
T3 - 2025 IEEE Energy Conversion Conference Congress and Exposition, ECCE 2025
BT - 2025 IEEE Energy Conversion Conference Congress and Exposition, ECCE 2025
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 17th Annual IEEE Energy Conversion Conference Congress and Exposition, ECCE 2025
Y2 - 19 October 2025 through 23 October 2025
ER -