Patent ID: 11870266
Assignee: LG INNOTEK CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A photovoltaic power generation system comprising:
a first converter for converting and outputting power applied from a photovoltaic power generation panel;
a second converter for receiving, via a first input/output terminal, the power outputted from the first converter, converting the power received, and outputting the power converted via a second input/output terminal, or receiving power from the second input/output terminal, converting the power received, and outputting the power converted via the first input/output terminal;
a third converter for receiving power from the first converter or the second converter and charging an energy storage device, or transmitting power charged in the energy storage device to the second converter; and
an active power filter for reducing ripple in the second converter,
wherein power stored in the active power filter is transmitted to the first converter.