The utility model discloses a photovoltaic power generation converter. Wherein, this photovoltaic power generation converter includes: three contravariant valve body, every contravariant valve body are all including a N power electrical cell who establishes ties, and wherein, every power electrical cell includes the power inversion bridge, and the negative pole of three contravariant valve body interconnects, three filter inductor, three filter inductor is connected with the anodal one -to -one of three contravariant valve body, three contactor, every contactor are established ties between one of three filter inductor and a looks power. The utility model provides a circuit structure complicacy of the photovoltaic converter among the prior art lead to the technical problem that power conversion efficiency is not high.