Highly Compact Partial Power Converter for a Highly Efficient PV-BESS Stacked Generation System

Conference paper (2022)

Authors

P. Granello Sapienza University of Rome
Luigi Schirone Sapienza University of Rome
P. Bauer DC systems, Energy conversion & Storage - EEMCS
Rosario Miceli Università degli Studi di Palermo
Filippo Pellitteri Università degli Studi di Palermo
Research Group
DC systems, Energy conversion & Storage (EEMCS) (TU Delft)
Copyright: © 2022 P. Granello, Luigi Schirone, P. Bauer, Rosario Miceli, Filippo Pellitteri
DOI: https://doi.org/10.1109/SMART55236.2022.9990160
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Published Date

2022

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Electrical Sustainable Energy

Research Group

DC systems, Energy conversion & Storage

Abstract

The inherently intermittent nature of photovoltaic (PV) energy has brought increasing interest towards the integration between PV sources and Battery Energy Storage Systems (BESS). In this paper, a Series Partial Power Processing (PPP) converter based on Capacitive Power Transfer (CPT) is proposed to integrate PV and BESS in a grid-connected inverter system. The proposed converter has been simulated according to a PV string capable to provide 1430 W under full irradiance conditions, a BESS nominal voltage equal to 215 V and a solar inverter assumed to operate with a minimum voltage of 150 V and a maximum current of 10 A. Simulation tests carried out at different conditions of solar radiation and required load power aim at demonstrating the correct operation of the proposed system.

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