| 摘要 |
The present invention relates to a photovoltaic inverter connecting a plurality of photovoltaic modules with an input end of a multi-string solar inverter through a single booster unit. To achieve this, the photovoltaic inverter according to the present invention comprises: a plurality of input units connected in series with a plurality of photovoltaic modules respectively; a plurality of reactors connected in series with the input units respectively; a first capacitor charging DC voltage of the photovoltaic modules transmitted through the input units; a first resistor connected to the first capacitor in a row; a booster unit connected to the first capacitor connected in a row and to the first resistor in a row, and boosting the voltage charged in the first capacitor; and an inverter unit inverting the voltage boosted by the booster unit into alternating current voltage and supplying the inverted alternating current voltage to a system. |
