Floating Interleaved Boost Converter with Zero-Ripple Input Current Using Variable Inductor

Author:

Hidalgo Hector1ORCID,Vázquez Nimrod2ORCID,Orosco Rodolfo2,Huerta-Ávila Hector3,Pinto Sergio4,Estrada Leonel5ORCID

Affiliation:

1. Mechatronics Department, Technological National of Mexico/Higher Technological Institute of Villa La Venta, Huimanguillo 86410, Mexico

2. Electronics Department, Technological National of Mexico/Technological Institute of Celaya, Celaya 38010, Mexico

3. Department of Computational Sciences and Engineering, Universidad de Guadalajara/Centro Universitario de los Valles, Ameca 46600, Mexico

4. The “Universidad de Panama”, Faculty of Informatics, Electronics and Communications, Central Campus, Panama 0843-03561, Panama

5. Electronics Department, Technological National of Mexico/Higher Technological Institute from South of Guanajuato, Benito Juárez 38980, Mexico

Abstract

A zero-ripple input current is known to improve the lifetime of battery sets and fuel cells and to assure maximum power point tracking in PV panels. To perform current ripple elimination in a floating interleaved boost converter (FIBC), one of the typical linear inductors is substituted by a variable inductor, and phases of the converter have complementary duty cycles. This variable inductor is controlled using a switched current-source converter, which adjusts the input current ripple. An equivalent model for the variable inductor is presented, including uncertainties in the component description. To achieve current stabilization, a variable inductor controller was designed using the sliding modes approach via fixed frequency. An experimental prototype is implemented and tested with an output voltage controller to compare with the conventional FIBC. The results demonstrate that the input current ripple of the proposed converter is eliminated without significantly decreasing the efficiency.

Funder

TecNM

Publisher

MDPI AG

Subject

General Medicine

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