| 摘要 |
An embodiment of the present invention relates to a photovoltaic system which includes a power optimizer minimizing a noise generated when performing an MPPT algorithm by a phenomenon such as a shadiness phenomenon, an error between photovoltaic modules, etc. In the photovoltaic system including the photovoltaic modules, the power optimizer, and an inverter according to the embodiment of the present invention for the aforementioned, the power optimizer includes: an input unit which receives power outputted from the photovoltaic modules; a sensing unit which senses a voltage and a current which are outputted from the photovoltaic modules; and a control unit which controls the output of the power optimizer by comparing the sensed current with a current which is sensed before. |
