A 200 kW Three-level Flying Capacitor Inverter using Si/SiC based Devices for Photovoltaic Applications
Conference: PCIM Europe digital days 2021 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management
05/03/2021 - 05/07/2021 at Online
Proceedings: PCIM Europe digital days 2021
Pages: 8Language: englishTyp: PDF
Authors:
Alves Rodrigues, Luis Gabriel; Perez, Gaaetan (French Alternative Energies and Atomic Energy Commission – CEA/INES National Institute of Solar Energy – Photovoltaic Systems Laboratory, France)
Abstract:
The utilization of photovoltaic (PV) string inverters recently emerged as a trend in utility-scale solar power plants.These modern PV inverters are intended to interface 1.5 kVoc PV strings with the 690 V or 800 V 3-phase grid.In this paper, the three-level flying capacitor topology is investigated and its pros and cons to operate as a PV string inverter highlighted. Experimental results are given trough a 200 kW Si/SiC based prototype showing etapeak = 98.63% and etaeuro = 98.45% at 16 kHz switching frequency.