The single phase H-bridge inverter can generate common-mode voltage due to the sine pulse width modulation(SPWM)and vector controller.

采用脉宽调制和矢量控制的单相H桥逆变器会产生共模电压，后者会对逆变器、电机及其相关设备产生危害。

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The series H-bridge multilevel converter's power circuit is composed of uncontrolled rectifier with filtering capacitor and single phase H-bridge voltage-type inverter.

串联H桥多电平变频器的主回路从结构上可分为三相电容滤波不可控整流电路和单相电压型全桥逆变电路。

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