Three-phase four-leg inverter 三相四桥臂逆变器

two-phase three-leg circuit 两相三桥臂电路

support phase on one leg 单支撑阶段

support phase on double leg 双支撑阶段

4-leg 3-phase transformer 四芯柱三相变压器

three-level three-phase four-leg 三电平三相四桥臂

four-leg three-phase inverter 四桥臂三相逆变器

three-level three-leg three-phase four-wire 三电平三桥臂三相四线制