Forward-flyback resonant converter for high-efficient medium-power photovoltaic applications

Oscar Andres Montes; Sungho Son; Sooa Kim; Hwasoo Seok; Jin S. Lee; Minsung Kim

doi:10.1109/APEC.2017.7930851

Forward-flyback resonant converter for high-efficient medium-power photovoltaic applications

Oscar Andres Montes
, Sungho Son
, Sooa Kim
, Hwasoo Seok
, Jin S. Lee
, Minsung Kim

Department of Electronics & Electrical Engineering

Pohang University of Science and Technology

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

15 Scopus citations

Abstract

In this paper, a quasi-resonant forward-flyback converter is proposed for photovoltaic power system. Since the output of forward-flyback converter is connected in series, the proposed circuit offers high-step up conversion. The quasi-resonant forward circuit that consists of a transformer leakage inductance and a resonant capacitor generates almost sinusoidal currents during the switch on-time so the primary switching stress has been significantly reduced. The flyback circuit transfers the energy stored in the magnetizing inductance to the load during the switch off-time. Design guidelines of the circuit parameters are presented. To verify the proposed circuit design, a 400-W experimental prototype has been designed, fabricated, and tested. Simulation and experimental results verify the effectiveness of the proposed circuit design.

Original language	English
Title of host publication	2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1223-1228
Number of pages	6
ISBN (Electronic)	9781509053667
DOIs	https://doi.org/10.1109/APEC.2017.7930851
State	Published - 17 May 2017
Event	32nd Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2017 - Tampa, United States Duration: 26 Mar 2017 → 30 Mar 2017

Publication series

Name	Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC

Conference

Conference	32nd Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2017
Country/Territory	United States
City	Tampa
Period	26/03/17 → 30/03/17

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

Forward-flyback
High-efficiency
Medium power capacity
Photovoltaic power applications
Resonant
Zero current switching

Access to Document

10.1109/APEC.2017.7930851

Cite this

Montes, O. A., Son, S., Kim, S., Seok, H., Lee, J. S., & Kim, M. (2017). Forward-flyback resonant converter for high-efficient medium-power photovoltaic applications. In 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017 (pp. 1223-1228). Article 7930851 (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/APEC.2017.7930851

Montes, Oscar Andres ; Son, Sungho ; Kim, Sooa et al. / Forward-flyback resonant converter for high-efficient medium-power photovoltaic applications. 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017. Institute of Electrical and Electronics Engineers Inc., 2017. pp. 1223-1228 (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).

@inproceedings{eb87ced1dc1341248aecd61d1eca9711,

title = "Forward-flyback resonant converter for high-efficient medium-power photovoltaic applications",

abstract = "In this paper, a quasi-resonant forward-flyback converter is proposed for photovoltaic power system. Since the output of forward-flyback converter is connected in series, the proposed circuit offers high-step up conversion. The quasi-resonant forward circuit that consists of a transformer leakage inductance and a resonant capacitor generates almost sinusoidal currents during the switch on-time so the primary switching stress has been significantly reduced. The flyback circuit transfers the energy stored in the magnetizing inductance to the load during the switch off-time. Design guidelines of the circuit parameters are presented. To verify the proposed circuit design, a 400-W experimental prototype has been designed, fabricated, and tested. Simulation and experimental results verify the effectiveness of the proposed circuit design.",

keywords = "Forward-flyback, High-efficiency, Medium power capacity, Photovoltaic power applications, Resonant, Zero current switching",

author = "Montes, \{Oscar Andres\} and Sungho Son and Sooa Kim and Hwasoo Seok and Lee, \{Jin S.\} and Minsung Kim",

note = "Publisher Copyright: {\textcopyright} 2017 IEEE.; 32nd Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2017 ; Conference date: 26-03-2017 Through 30-03-2017",

year = "2017",

month = may,

day = "17",

doi = "10.1109/APEC.2017.7930851",

language = "English",

series = "Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

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booktitle = "2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017",

address = "United States",

}

Montes, OA, Son, S, Kim, S, Seok, H, Lee, JS & Kim, M 2017, Forward-flyback resonant converter for high-efficient medium-power photovoltaic applications. in 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017., 7930851, Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC, Institute of Electrical and Electronics Engineers Inc., pp. 1223-1228, 32nd Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2017, Tampa, United States, 26/03/17. https://doi.org/10.1109/APEC.2017.7930851

Forward-flyback resonant converter for high-efficient medium-power photovoltaic applications. / Montes, Oscar Andres; Son, Sungho; Kim, Sooa et al.
2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017. Institute of Electrical and Electronics Engineers Inc., 2017. p. 1223-1228 7930851 (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

TY - GEN

T1 - Forward-flyback resonant converter for high-efficient medium-power photovoltaic applications

AU - Montes, Oscar Andres

AU - Son, Sungho

AU - Kim, Sooa

AU - Seok, Hwasoo

AU - Lee, Jin S.

AU - Kim, Minsung

PY - 2017/5/17

Y1 - 2017/5/17

N2 - In this paper, a quasi-resonant forward-flyback converter is proposed for photovoltaic power system. Since the output of forward-flyback converter is connected in series, the proposed circuit offers high-step up conversion. The quasi-resonant forward circuit that consists of a transformer leakage inductance and a resonant capacitor generates almost sinusoidal currents during the switch on-time so the primary switching stress has been significantly reduced. The flyback circuit transfers the energy stored in the magnetizing inductance to the load during the switch off-time. Design guidelines of the circuit parameters are presented. To verify the proposed circuit design, a 400-W experimental prototype has been designed, fabricated, and tested. Simulation and experimental results verify the effectiveness of the proposed circuit design.

AB - In this paper, a quasi-resonant forward-flyback converter is proposed for photovoltaic power system. Since the output of forward-flyback converter is connected in series, the proposed circuit offers high-step up conversion. The quasi-resonant forward circuit that consists of a transformer leakage inductance and a resonant capacitor generates almost sinusoidal currents during the switch on-time so the primary switching stress has been significantly reduced. The flyback circuit transfers the energy stored in the magnetizing inductance to the load during the switch off-time. Design guidelines of the circuit parameters are presented. To verify the proposed circuit design, a 400-W experimental prototype has been designed, fabricated, and tested. Simulation and experimental results verify the effectiveness of the proposed circuit design.

KW - Forward-flyback

KW - High-efficiency

KW - Medium power capacity

KW - Photovoltaic power applications

KW - Resonant

KW - Zero current switching

UR - https://www.scopus.com/pages/publications/85019974421

U2 - 10.1109/APEC.2017.7930851

DO - 10.1109/APEC.2017.7930851

M3 - Conference contribution

AN - SCOPUS:85019974421

T3 - Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC

SP - 1223

EP - 1228

BT - 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 32nd Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2017

Y2 - 26 March 2017 through 30 March 2017

ER -

Montes OA, Son S, Kim S, Seok H, Lee JS, Kim M. Forward-flyback resonant converter for high-efficient medium-power photovoltaic applications. In 2017 IEEE Applied Power Electronics Conference and Exposition, APEC 2017. Institute of Electrical and Electronics Engineers Inc. 2017. p. 1223-1228. 7930851. (Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC). doi: 10.1109/APEC.2017.7930851

Forward-flyback resonant converter for high-efficient medium-power photovoltaic applications

Abstract

Publication series

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UN SDGs

Keywords

Access to Document

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