F
Fabricio Bradaschia
Researcher at Federal University of Pernambuco
Publications - 60
Citations - 1179
Fabricio Bradaschia is an academic researcher from Federal University of Pernambuco. The author has contributed to research in topics: Inverter & Pulse-width modulation. The author has an hindex of 15, co-authored 57 publications receiving 982 citations. Previous affiliations of Fabricio Bradaschia include Universidade de Pernambuco.
Papers
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Journal ArticleDOI
Modulation for Three-Phase Transformerless Z-Source Inverter to Reduce Leakage Currents in Photovoltaic Systems
Fabricio Bradaschia,Marcelo C. Cavalcanti,Pedro E. P. Ferraz,Francisco A. S. Neves,Euzeli Cipriano dos Santos,J. H. G. M. da Silva +5 more
TL;DR: A modified Z-source inverter with specific modulation techniques is proposed to reduce leakage currents in three-phase transformerless photovoltaic (PV) systems and results are obtained to validate the theoretical and simulation models.
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Digital Filters for Fast Harmonic Sequence Component Separation of Unbalanced and Distorted Three-Phase Signals
TL;DR: Many aspects of the space-vector discrete Fourier transform and generalized delayed signal cancellation (GDSC) such as response time for different possible implementations, frequency adaptation schemes, stability of recursive implementation, and rounding error effects are discussed.
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A Reduced Voltage Range Global Maximum Power Point Tracking Algorithm for Photovoltaic Systems Under Partial Shading Conditions
TL;DR: Simulation and experimental results show the superior performance of the proposed GMPPT algorithm, in comparison to the state-of-art algorithms, in terms of tracking time, energy loss, and total voltage track during the search for the GMPP.
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Parameter Estimation Method to Improve the Accuracy of Photovoltaic Electrical Model
TL;DR: In this article, the authors proposed an estimation method to identify the electrical model parameters of photovoltaic (PV) modules and made a comparison with other methods already popular in the technical literature.
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A Method for Extracting the Fundamental-Frequency Positive-Sequence Voltage Vector Based on Simple Mathematical Transformations
H. E. P. de Souza,Fabricio Bradaschia,Francisco A. S. Neves,Marcelo C. Cavalcanti,Gustavo M. S. Azevedo,J.P. de Arruda +5 more
TL;DR: The proposed scheme for obtaining the fundamental-frequency positive-sequence grid voltage is based on four simple mathematical transformations based on the stationary reference frame, which are able to eliminate odd harmonics from the original signals.