基于SVM概念的级联H桥多电平变换器开路故障诊断及故障前后直流电压平衡控制

The voltage imbalance and the open-circuit (OC) switch fault present significant issues for a single-phase cascaded H-bridge multilevel converter, leading to negative effects such as unbalanced dc voltages, overshoot current, and high current harmonics. To address these challenges, this article presents a novel technique for OC switch fault diagnosis and dc voltage balancing control using the spac...