Multilevel buck dc-dc converter for high voltage application

Levy F. Costa; Samir A. Mussa; Ivo Barbi

doi:10.1109/INDUSCON.2012.6453673

Multilevel buck dc-dc converter for high voltage application

Levy F. Costa, Samir A. Mussa, Ivo Barbi

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

12 Citations (Scopus)

Abstract

This paper presents a nonisolated multilevel step-down dc-dc converter suitable for high voltage application. The main features of this topology are: low voltage across the semiconductors; low switching losses and reduced volume of output filter. This paper focuses on the five-level structure of the proposed converter, in which the theoretical analysis is carried out and discussed. The five-level proposed dc-dc converter has four capacitors and their voltages should be balanced for its correct operation. Therefore, a capacitor voltage balancing active control is presented and analyzed in detail herein. In order to demonstrate the performance of this converter, experimental results for a prototype of the 700-V input voltage to 450-V output voltage, 5-kW rated power and switching frequency of 20 kHz are reported herein.

Original language	English
Title of host publication	2012 10th IEEE/IAS International Conference on Industry Applications
Publisher	Institute of Electrical and Electronics Engineers
Number of pages	8
ISBN (Electronic)	978-1-4673-2411-3
ISBN (Print)	9781467324120
DOIs	https://doi.org/10.1109/INDUSCON.2012.6453673
Publication status	Published - 7 Feb 2013
Externally published	Yes
Event	2012 10th IEEE/IAS International Conference on Industry Applications, INDUSCON 2012 - Fortaleza, CE, Brazil Duration: 5 Nov 2012 → 7 Nov 2012

Conference

Conference	2012 10th IEEE/IAS International Conference on Industry Applications, INDUSCON 2012
Country/Territory	Brazil
City	Fortaleza, CE
Period	5/11/12 → 7/11/12

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10.1109/INDUSCON.2012.6453673

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title = "Multilevel buck dc-dc converter for high voltage application",

abstract = "This paper presents a nonisolated multilevel step-down dc-dc converter suitable for high voltage application. The main features of this topology are: low voltage across the semiconductors; low switching losses and reduced volume of output filter. This paper focuses on the five-level structure of the proposed converter, in which the theoretical analysis is carried out and discussed. The five-level proposed dc-dc converter has four capacitors and their voltages should be balanced for its correct operation. Therefore, a capacitor voltage balancing active control is presented and analyzed in detail herein. In order to demonstrate the performance of this converter, experimental results for a prototype of the 700-V input voltage to 450-V output voltage, 5-kW rated power and switching frequency of 20 kHz are reported herein.",

author = "Costa, {Levy F.} and Mussa, {Samir A.} and Ivo Barbi",

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doi = "10.1109/INDUSCON.2012.6453673",

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note = "2012 10th IEEE/IAS International Conference on Industry Applications, INDUSCON 2012 ; Conference date: 05-11-2012 Through 07-11-2012",

}

Costa, LF, Mussa, SA & Barbi, I 2013, Multilevel buck dc-dc converter for high voltage application. in 2012 10th IEEE/IAS International Conference on Industry Applications., 6453673, Institute of Electrical and Electronics Engineers, 2012 10th IEEE/IAS International Conference on Industry Applications, INDUSCON 2012, Fortaleza, CE, Brazil, 5/11/12. https://doi.org/10.1109/INDUSCON.2012.6453673

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T1 - Multilevel buck dc-dc converter for high voltage application

AU - Costa, Levy F.

AU - Mussa, Samir A.

AU - Barbi, Ivo

PY - 2013/2/7

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N2 - This paper presents a nonisolated multilevel step-down dc-dc converter suitable for high voltage application. The main features of this topology are: low voltage across the semiconductors; low switching losses and reduced volume of output filter. This paper focuses on the five-level structure of the proposed converter, in which the theoretical analysis is carried out and discussed. The five-level proposed dc-dc converter has four capacitors and their voltages should be balanced for its correct operation. Therefore, a capacitor voltage balancing active control is presented and analyzed in detail herein. In order to demonstrate the performance of this converter, experimental results for a prototype of the 700-V input voltage to 450-V output voltage, 5-kW rated power and switching frequency of 20 kHz are reported herein.

AB - This paper presents a nonisolated multilevel step-down dc-dc converter suitable for high voltage application. The main features of this topology are: low voltage across the semiconductors; low switching losses and reduced volume of output filter. This paper focuses on the five-level structure of the proposed converter, in which the theoretical analysis is carried out and discussed. The five-level proposed dc-dc converter has four capacitors and their voltages should be balanced for its correct operation. Therefore, a capacitor voltage balancing active control is presented and analyzed in detail herein. In order to demonstrate the performance of this converter, experimental results for a prototype of the 700-V input voltage to 450-V output voltage, 5-kW rated power and switching frequency of 20 kHz are reported herein.

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M3 - Conference contribution

AN - SCOPUS:84874400550

SN - 9781467324120

BT - 2012 10th IEEE/IAS International Conference on Industry Applications

PB - Institute of Electrical and Electronics Engineers

T2 - 2012 10th IEEE/IAS International Conference on Industry Applications, INDUSCON 2012

Y2 - 5 November 2012 through 7 November 2012

ER -

Multilevel buck dc-dc converter for high voltage application

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