This paper proposes reduction of dc-link current ripple in unbalanced input voltage of three-parallel interleaved boost converter. The non-overlapped interval of diode currents of each boost converter can be occurred in case of the unbalanced input voltage. Therefore, the ripple of the dc-link current is increased. The non-overlapped interval is removed by adding the calculated phase to the carriers. Therefore, the current ripple is reduced by applying proposed method. The simulation results proved that dc-link current ripple is reduced about 36% by applying proposed switching method. The proposed method is verified through PSIM simulations.
Reduction of DC-link current ripple in unbalanced three-parallel PV module condition
2016-06-01
1278723 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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