基于SVPWM技术的单相多电平逆变器均压策略研究
管月,李磊,师贺,马爱华

Capacitor Voltage Balancing Strategy Based on SVPWM Technology for Single-Phase Mutil-Level Inverters
Yue Guan,Lei Li,He Shi,Aihua Ma
图4 不均压导致电平数退化
Fig.4 Level number degradation due to voltage imbalance without voltage balancing control