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

表1 5种电压矢量及其对应的九种开关状态

Tab.1 Five voltage vectors and nine corresponding switch states

电压矢量 Uab Sa,Sb U0 0 0,0 1,1 -1,-1 U1 Udc 1,-1 U2 Udc/2 1,0 0,-1 U3 -Udc/2 0,1 -1,0 U4 -Udc -1,1