High Static Gain DC–DC Double Boost Quadratic Converter
Author:
de Sá Franciéli Lima1ORCID, Ruiz-Caballero Domingo2, Dal’Agnol Cleiton3ORCID, da Silva William Rafhael3ORCID, Mussa Samir Ahmad3ORCID
Affiliation:
1. Department of Electrical Engineering, Facvest University Center, Lages 88501-101, Brazil 2. Escuela de Ingeniería Eléctrica, Pontificia Universidad Católica de Valparaíso, Av. Brasil 2147, Valparaíso 2362804, Chile 3. Department of Electrical and Electronic Engineering, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil
Abstract
This paper presents a study of a new topology of a DC–DC converter titled double quadratic boost non-isolated. This converter has high static gain and proposes to reduce the voltage stress on the switches, where the maximum voltage value at each switch is equal to half of the total output voltage. The paper first presents the theoretical analysis of the converter operating in open loop. The objective of the work is the mathematical modeling and control strategy of the converter, as well as validation through closed loop experimental results. In addition, we present the results of practical tests to demonstrate the operation of the converter, such as the experimental static gain curve, the practical efficiency of the converter, and the output voltage control, as well as the capacitor voltage swing control. The authors designed the prototype for 1 kW, with a switching frequency of fs=50 kHz, with FPGA-based control and modulation.
Funder
Private financial support
Subject
Energy (miscellaneous),Energy Engineering and Power Technology,Renewable Energy, Sustainability and the Environment,Electrical and Electronic Engineering,Control and Optimization,Engineering (miscellaneous),Building and Construction
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