Jeong, Hae-Gwang; Kim, Gwang-Seob; Lee, Kyo-Beum - In: Energies 6 (2013) 1, pp. 79-96
This paper proposes a second-order harmonic reduction technique using a proportional-resonant (PR) controller for a photovoltaic (PV) power conditioning system (PCS). In a grid-connected single-phase system, inverters create a second-order harmonic at twice the fundamental frequency. A ripple...