Scientific reports
IHBA-optimized DR-SE-NPCNet for robust open-circuit fault diagnosis in three-level NPC inverters under mixed and noisy conditions.
Qisheng Liu, Changxi Chen, Honglin Ouyang, Muxuan Xiao, Weixiang Lei
Published: 202510.1038/s41598-025-34025-z
Abstract
Open-circuit faults (OCFs) in three-level neutral-point-clamped (NPC) inverters can severely degrade power quality and compromise system reliability. However, existing diagnostic methods often exhibit performance degradation under mixed operating con…
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