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发明公开
CN102427306A 一种单相半桥三电平逆变器 无效 - 驳回

一种单相半桥三电平逆变器
摘要：
本发明公开了一种单相半桥三电平逆变器，该逆变器包括：四个开关器件；四个开关器件中的第一开关器件、第三开关器件和第四开关器件串联连接在所述直流电源之间，其中，第一开关器件的第一端连接所述直流电源的正端，第四开关器件的第二端连接所述直流电源的负端；第二开关器件的第一端连接所述直流电源的分压中点，第二开关器件的第二端连接第三开关器件的第二端和第四开关器件的第一端；第一开关器件的第二端和第三开关器件的第一端相连并作为所述逆变器的第一输出端，所述直流电源的分压中点作为所述逆变器的第二输出端。利用本发明，可以减小损耗，提高转换效率。
摘要（英）：

The invention discloses a single-phase half-bridge three-level inverter, which comprises four switch devices, wherein a first switch device, a third switch device and a fourth switch device are connected in series in a DC (direct current) power supply; the first end of the first switch device is connected with the positive end of the DC power supply; the second end of the fourth switch device is connected with the negative end of the DC power supply; the first end of a second switch device is connected with the voltage division midpoint of the DC power supply; the second end of the second switch device is connected with the second end of the third switch device and the first end of the fourth switch device; the second end of the first switch device is connected with the first end of the third switch device and is used as the first output end of the inverter; and the voltage division midpoint of the DC power supply is used as the second output end of the inverter. By utilizing the inverter disclosed by the invention, the loss can be lowered and the conversion efficiency is improved.

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