Numerical Optimization of Switching Ripples in the Double Dual Boost Converter through the Evolutionary Algorithm L-SHADE
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Fecha
2020-10
Autores
Alejo-Reyes, Avelina
Cuevas, Erik
Robles-Campos, Héctor R.
Rosas-Caro, Julio C.
Rodríguez-Vázquez, Alma N.
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MDPI
Resumen
Descripción
Power-electronics based converters are essential circuits in renewable energy applications
such as electricity generated with photovoltaic panels. The research on the field is getting increasing
attention due to climate change problems and their possible attenuation with the use of renewable
energy. Mathematical models of the converters are being used to optimize several aspects of
their operation. This article is dedicated to optimizing (through the mathematical model and an
evolutionary algorithm) the operation of a state-of-the-art converter. The converter, which is composed
of two parts or phases, is controlled by pulse width modulation with two switching signals (one for
each phase). The converter provides by itself low switching ripple in both the output voltage and
the input current, which is beneficial for renewable energy applications. In the traditional operation,
one of the switching signals has an algebraic dependence on the other one. This article proposes a
new way to select the duty cycle for both signals. In the proposed method, duty cycles of both phases
are considered independent of each other; this provides an extra degree of freedom; on the other
hand, this produce that the possible combinations of duty cycles which produce a certain voltage
gain is infinite, it becomes a problem with infinite possible solutions. The proposed method utilizes
the a linear success-history based adaptive di erential evolution with linear population reduction,
also called L-SHADE algorithm for simplicity, to find the two duty cycles that achieve the desired
voltage gain and to minimize the converters switching ripple. The obtained results are compared
with the former operation of the converter; the proposed operation achieves a lower output voltage
ripple while achieving the desired operation (voltage gain).
Palabras clave
L-SHADE Algorithm, Metaheuristic Algorithms, Evolutionary Algorithm
Citación
Rodríguez, A.; Alejo-Reyes, A.; Cuevas, E.; Robles-Campos, H.R.; Rosas-Caro, J.C. Numerical Optimization of Switching Ripples in the Double Dual Boost Converter through the Evolutionary Algorithm L-SHADE. Mathematics 2020, 8, 1911.