TY - JOUR
T1 - Quadratic buck-boost converter with reduced input current ripple and wide conversion range
AU - García-Vite, Pedro Martín
AU - Rosas-Caro, Julio C.
AU - Martínez-Salazar, Ana Lidia
AU - De Jesus Chavez, Jose
AU - Valderrábano-González, Antonio
AU - Sánchez-Huerta, Victor M.
PY - 2019/12/18
Y1 - 2019/12/18
N2 - This study introduces an advanced DC-DC power converter with two main objectives, (i) to achieve a wide range of voltage gain, which means the converter may work over a wide range of input voltage for a fixed desired output voltage and (ii) to achieve a reduced input current ripple. Those features are highly desired in renewable energy applications, for example with photovoltaic panels and fuel cells. The proposed converter was designed in a structure in which the input voltage is composed by the difference of two inductor currents, the currents through inductors are driven with transistors that may have different duty cycle, this allows the current ripple cancellation. In addition, the structure of the converter provides a quadratic type voltage gain, which leads to a wide range of operation voltage. The converter achieves both the wire range of voltage gain and current ripple cancellation, nonetheless, the buck-boost capability is also provided. The input current ripple reduction helps preserve the renewable energy sources since they suffer deterioration when current with considerable ripple is drawn from them. Dynamic and steady-state analysis are performed along with the components sizing. Simulation and experimental results are provided to demonstrate the principle of the proposition.
AB - This study introduces an advanced DC-DC power converter with two main objectives, (i) to achieve a wide range of voltage gain, which means the converter may work over a wide range of input voltage for a fixed desired output voltage and (ii) to achieve a reduced input current ripple. Those features are highly desired in renewable energy applications, for example with photovoltaic panels and fuel cells. The proposed converter was designed in a structure in which the input voltage is composed by the difference of two inductor currents, the currents through inductors are driven with transistors that may have different duty cycle, this allows the current ripple cancellation. In addition, the structure of the converter provides a quadratic type voltage gain, which leads to a wide range of operation voltage. The converter achieves both the wire range of voltage gain and current ripple cancellation, nonetheless, the buck-boost capability is also provided. The input current ripple reduction helps preserve the renewable energy sources since they suffer deterioration when current with considerable ripple is drawn from them. Dynamic and steady-state analysis are performed along with the components sizing. Simulation and experimental results are provided to demonstrate the principle of the proposition.
UR - http://www.scopus.com/inward/record.url?scp=85075828393&partnerID=8YFLogxK
U2 - 10.1049/iet-pel.2018.5616
DO - 10.1049/iet-pel.2018.5616
M3 - Article
AN - SCOPUS:85075828393
SN - 1755-4535
VL - 12
SP - 3977
EP - 3986
JO - IET Power Electronics
JF - IET Power Electronics
IS - 15
ER -