Model, Design and Implementation of LCC Converter for Power Generation and Distributed Generation

Renan F. Bastos; André L. A. Dias; Ricardo Q. Machado

doi:10.18618/REP.2019.2.0002

Authors

Renan F. Bastos Universidade Federal de Ouro Preto (UFOP), Ouro Preto – MG, Brasil
André L. A. Dias Universidade Federal de Ouro Preto (UFOP), Ouro Preto – MG, Brasil
Ricardo Q. Machado Universidade de São Paulo (USP), São Carlos – SP, Brasil

DOI:

https://doi.org/10.18618/REP.2019.2.0002

Keywords:

Alternative Sources, Converter, Distributed Generation, Power Generation, Thyristor

Abstract

This paper proposes to model, design and implement a LCC (Line Commuted Converter) for power generation purpose, using alternative sources such as photovoltaic panel (PV), fuel cell and permanent magnet synchronous machine as the main power source. The converter is built with a full bridge twelve-pulse thyristor topology and connected to the alternative source through a line reactor. In order to extract maximum power from the sources, a classical maximum power point tracking algorithm (MPPT P&O) is applied. To validate the theoretical and simulated analysis, a 600 W experimental setup was built and controlled in closed loop. For the experimental results, the alternative source was represented by a variable DC power source in series with a resistor, making it possible to create controlled power steps and power events. During the operation, the grid current is analyzed in terms of power quality and an islanding event was created to analyze the converter’s behavior under critical conditions. All the experimental results show perfect conformity with the theory and simulation, proving the effectiveness of this converter topology for this purpose.

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Author Biographies

Renan F. Bastos, Universidade Federal de Ouro Preto (UFOP), Ouro Preto – MG, Brasil

was born in Dionísio, Brazil. He received the B.S. degree in electrical engineering from Federal University of Viçosa (UFV), Viçosa, Brazil, in 2011, M.Sc. degree and Ph.D from the University of São Paulo (USP), São Carlos, Brazil, in 2013 and 2016 respectively. He is currently an Assistant Professor at Federal University of Ouro Preto (UFOP). His current interests are renewable energy, distributed generation, power converters, and Hardware-in-the-loop.

André L. A. Dias, Universidade Federal de Ouro Preto (UFOP), Ouro Preto – MG, Brasil

is currently an undergraduate student at the Federal University of Ouro Preto (UFOP) and working as a teacher at SENAI. His current interests are renewable energy, distributed generation, and power electronics.

Ricardo Q. Machado, Universidade de São Paulo (USP), São Carlos – SP, Brasil

was born in Santa Maria, Brazil. He received the bachelor's degree from the University of Santa Maria, Santa Maria, in 1997, and the master's and Ph.D. degrees in electrical engineering from the University of Campinas, Campinas, Brazil, in 2000 and 2005, respectively. From 2002 to 2003, he was a Visiting Researcher with the University of Padova, Italy, and from 2005 to 2007, he was a Postdoctoral Researcher with the Federal University of Santa Maria, Santa Maria. From 2013 to 2014, he was a Visiting Professor with the University of Toronto, Canada. He is currently a Professor with the Department of Electrical Engineering, University of São Paulo, São Carlos, Brazil. His main research interests include processing of energy in dc/dc and dc/ac converters, digital control of power converters, distributed generation systems, smart grids, and control of renewable energy sources.

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