Lourenco Matakas Junior

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This paper presents an overview about techniques employed to minimize the leakage current in single-phase transformerless grid-connected PV inverters, using topologies derived from the full-bridge voltage source inverter (VSI). Some representative topologies and common mode (CM) filter implementations are presented. Among the analyzed solutions, a CM filter(More)
This paper proposes an integrated common and differential mode filter with passive damping for single-phase grid-connected transformerless photovoltaic (PV) microinverters, employing the full-bridge voltage source inverter (VSI) topology with continuous unipolar modulation. This strategy achieves low current distortion, low leakage current and high(More)
The Dynamic Voltage Restorer (DVR) is a solution for protection of sensitive loads from voltage sags and swells. Its basic function is to inject voltages in the grid line in order to mitigate voltage sags and/or swells. Typically the controller structure for a DVR is composed by an inner current loop and an outer voltage loop. Usually a proportional or(More)
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