A transformerless topology for a micro inverter with elevation factor of 1:10 for photovoltaic applications
Por:
Vidales, B., Monroy-Morales J.L., Rodriguez-Rodriguez, J. R., Madrigal, M., Torres-Lucio, D.
Publicada:
1 ene 2019
Resumen:
In this paper, a modified transformerless inverter topology for photovoltaic (PV) applications is presented. This proposal is capable to produce a nine-level AC output from a single low DC voltage source with an efficiency of 95.59%, making it ideal as a micro-inverter. This is achieved by an elevation phase that generates two isolated DC outputs from a single source, using a redesigned DC/DC parallel boost converter that elevates up to ten times the input with no extreme duty cycles and performing it with fewer components compared to similar capacities topologies. These two isolated voltages are employed to feed an asymmetrical cascade cells DC/AC inverter. The theoretical fundaments and both simulation and experimental results presented in this paper validate the proposed topology. © 2019 Elsevier Ltd
Filiaciones:
Vidales, B.:
Instituto Tecnológico de Morelia, Posgrado de Graduados e Investigación en Ingeniería Eléctrica, Avenida Tecnológico 1500, Lomas de Santiaguito, Morelia, Michoacan 58120, Mexico
Inst Tecnol Morelia, Posgrad Grad & Invest Ingn Elect, Ave Tecnol 1500, Morelia 58120, Michoacan, Mexico
Monroy-Morales J.L.:
Instituto Tecnológico de Morelia, Posgrado de Graduados e Investigación en Ingeniería Eléctrica, Avenida Tecnológico 1500, Lomas de Santiaguito, Morelia, Michoacan 58120, Mexico
Rodriguez-Rodriguez, J. R.:
Universidad Nacional Autónoma de México, Avenida Universidad 3000, Cd. Universitaria, Coyoacán, Ciudad de México, CDMX, 04510, Mexico
Univ Nacl Autonoma Mexico, Ave Univ 3000,Cd Univ, Mexico City 04510, DF, Mexico
Madrigal, M.:
Instituto Tecnológico de Morelia, Posgrado de Graduados e Investigación en Ingeniería Eléctrica, Avenida Tecnológico 1500, Lomas de Santiaguito, Morelia, Michoacan 58120, Mexico
Inst Tecnol Morelia, Posgrad Grad & Invest Ingn Elect, Ave Tecnol 1500, Morelia 58120, Michoacan, Mexico
Torres-Lucio, D.:
Instituto Tecnológico de Morelia, Posgrado de Graduados e Investigación en Ingeniería Eléctrica, Avenida Tecnológico 1500, Lomas de Santiaguito, Morelia, Michoacan 58120, Mexico
Inst Tecnol Morelia, Posgrad Grad & Invest Ingn Elect, Ave Tecnol 1500, Morelia 58120, Michoacan, Mexico
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