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2 Transactions on Environment and Electrical Engineering

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Simulation and analysis of an isolated full-bridge DC/DC boost converter operating with a modified perturb and observe maximum power point tracking algorithm

Matias C. A., Medeiros G. P., Moraes P. H. F., Fernandes B. de A., Alves A. J., Calixto W. P., Furriel G. P.

Transactions on Environment and Electrical Engineering

2017

Vol. 2, No. 2

45--50

The purpose of the present study is to simulate and analyze an isolated full-bridge DC/DC boost converter, for photovoltaic panels, running a modified perturb and observe maximum power point tracking method. The zero voltage switching technique was used in order to minimize the losses of the converter for a wide range of solar operation. The efficiency of the power transfer is higher than 90% for large solar operating points. The panel enhancement due to the maximum power point tracking algorithm is 5.06%.

Reconditioning in synchronous operation with one parallel induction generator

Magalhães A. S., Moraes P. H. F., Silva A. H. F., Gomes P. H. G., Alves A. J., Calixto W. P.

Transactions on Environment and Electrical Engineering

2016

Vol. 1, No. 4

66--72

The purpose of this paper is to compare mathematical modeling and practical bench in order to validate the electrical interactions between an induction generator and a synchronous generator. Two generators was connected to a common bus in steady state, subject to non-linear load. The results comparing modeling and bench tests show that the induction generator besides the active power increasing, has a better way for harmonic currents flowing in common bus. It was concluded that the induction generator repowering and attenuates current harmonic components present at the connection point, improving the network voltage profile.