What is it about?
This paper proposes to increase inverter reliability using a dual-stage PV inverter system with small dc-bus link film capacitors, where a high-gain high-frequency isolated step-up dc-dc converter processes the energy from PV arrays.
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Why is it important?
This converter topology in combination with a digital resonant control strategy for elimination of the low frequency power ripple in photovoltaic (PV) array makes possible reducing dc-bus link capacitance without reduction of power extracted from PV system.
Perspectives
Electrolitic capacitors of dc-bus link normally present the lowest mean time between failures among other electronic components of photovoltaic inverters.
Dr Adriano Péres
Federal University of Santa Catarina - UFSC Blumenau
Read the Original
This page is a summary of: Digital resonant controller for dual-stage photovoltaic inverter system with small dc-bus capacitor, IET Power Electronics, May 2016, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/iet-pel.2015.0489.
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