A class of single-step high-voltage DC-DC converters with low voltage stress and high output current capacity

Huai Wang; Henry Chung; Saad Tapuchi; Adrian Ioinovici

doi:10.1109/ECCE.2009.5316353

A class of single-step high-voltage DC-DC converters with low voltage stress and high output current capacity

Huai Wang
, Henry Chung
, Saad Tapuchi
, Adrian Ioinovici

City University of Hong Kong

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

7 Citations (Scopus)

Abstract

A multiphase converter suitable for a very high input voltage is proposed. It is formed by n switch pairs in the primary-side, an n-phase isolation transformer, whose primary windings are connected with dc blocking capacitors, and an n-phase rectifier. The switching patterns applied to the switch pairs have a phase difference of 360° / n. It features V_i / n voltage stress on the primary-side switches, which commute under a ZVS condition, and a high output current capacity. The current stress of the inductors and diodes in the rectifier is reduced to one-nth of the load current. Compared with the input-series connected modular converters, the proposed converter feature a half of the switches number, for the same voltage stress across them. The reduced conduction losses and soft-switching give a high efficiency: 88.3% measured for a 1500V/48V, 2 kW prototype. © 2009 IEEE.

Original language	English
Title of host publication	2009 IEEE Energy Conversion Congress and Exposition, ECCE 2009
Pages	1868-1875
DOIs	https://doi.org/10.1109/ECCE.2009.5316353
Publication status	Published - 2009
Event	2009 IEEE Energy Conversion Congress and Exposition (ECCE 2009) - San Jose, United States Duration: 20 Sept 2009 → 24 Sept 2009

Conference

Conference	2009 IEEE Energy Conversion Congress and Exposition (ECCE 2009)
Place	United States
City	San Jose
Period	20/09/09 → 24/09/09

UN SDGs

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

SDG 7 Affordable and Clean Energy

Research Keywords

DC-DC power conversion
High voltage converter
Soft-switching converter

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10.1109/ECCE.2009.5316353

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title = "A class of single-step high-voltage DC-DC converters with low voltage stress and high output current capacity",

abstract = "A multiphase converter suitable for a very high input voltage is proposed. It is formed by n switch pairs in the primary-side, an n-phase isolation transformer, whose primary windings are connected with dc blocking capacitors, and an n-phase rectifier. The switching patterns applied to the switch pairs have a phase difference of 360° / n. It features Vi / n voltage stress on the primary-side switches, which commute under a ZVS condition, and a high output current capacity. The current stress of the inductors and diodes in the rectifier is reduced to one-nth of the load current. Compared with the input-series connected modular converters, the proposed converter feature a half of the switches number, for the same voltage stress across them. The reduced conduction losses and soft-switching give a high efficiency: 88.3\% measured for a 1500V/48V, 2 kW prototype. {\textcopyright} 2009 IEEE.",

keywords = "DC-DC power conversion, High voltage converter, Soft-switching converter",

author = "Huai Wang and Henry Chung and Saad Tapuchi and Adrian Ioinovici",

year = "2009",

doi = "10.1109/ECCE.2009.5316353",

language = "English",

isbn = "9781424428939",

pages = "1868--1875",

booktitle = "2009 IEEE Energy Conversion Congress and Exposition, ECCE 2009",

note = "2009 IEEE Energy Conversion Congress and Exposition (ECCE 2009) ; Conference date: 20-09-2009 Through 24-09-2009",

}

Wang, H, Chung, H, Tapuchi, S & Ioinovici, A 2009, A class of single-step high-voltage DC-DC converters with low voltage stress and high output current capacity. in 2009 IEEE Energy Conversion Congress and Exposition, ECCE 2009., 5316353, pp. 1868-1875, 2009 IEEE Energy Conversion Congress and Exposition (ECCE 2009), San Jose, California, United States, 20/09/09. https://doi.org/10.1109/ECCE.2009.5316353

A class of single-step high-voltage DC-DC converters with low voltage stress and high output current capacity. / Wang, Huai; Chung, Henry; Tapuchi, Saad et al.
2009 IEEE Energy Conversion Congress and Exposition, ECCE 2009. 2009. p. 1868-1875 5316353.

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

TY - GEN

T1 - A class of single-step high-voltage DC-DC converters with low voltage stress and high output current capacity

AU - Wang, Huai

AU - Chung, Henry

AU - Tapuchi, Saad

AU - Ioinovici, Adrian

PY - 2009

Y1 - 2009

N2 - A multiphase converter suitable for a very high input voltage is proposed. It is formed by n switch pairs in the primary-side, an n-phase isolation transformer, whose primary windings are connected with dc blocking capacitors, and an n-phase rectifier. The switching patterns applied to the switch pairs have a phase difference of 360° / n. It features Vi / n voltage stress on the primary-side switches, which commute under a ZVS condition, and a high output current capacity. The current stress of the inductors and diodes in the rectifier is reduced to one-nth of the load current. Compared with the input-series connected modular converters, the proposed converter feature a half of the switches number, for the same voltage stress across them. The reduced conduction losses and soft-switching give a high efficiency: 88.3% measured for a 1500V/48V, 2 kW prototype. © 2009 IEEE.

AB - A multiphase converter suitable for a very high input voltage is proposed. It is formed by n switch pairs in the primary-side, an n-phase isolation transformer, whose primary windings are connected with dc blocking capacitors, and an n-phase rectifier. The switching patterns applied to the switch pairs have a phase difference of 360° / n. It features Vi / n voltage stress on the primary-side switches, which commute under a ZVS condition, and a high output current capacity. The current stress of the inductors and diodes in the rectifier is reduced to one-nth of the load current. Compared with the input-series connected modular converters, the proposed converter feature a half of the switches number, for the same voltage stress across them. The reduced conduction losses and soft-switching give a high efficiency: 88.3% measured for a 1500V/48V, 2 kW prototype. © 2009 IEEE.

KW - DC-DC power conversion

KW - High voltage converter

KW - Soft-switching converter

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U2 - 10.1109/ECCE.2009.5316353

DO - 10.1109/ECCE.2009.5316353

M3 - RGC 32 - Refereed conference paper (with host publication)

SN - 9781424428939

SP - 1868

EP - 1875

BT - 2009 IEEE Energy Conversion Congress and Exposition, ECCE 2009

T2 - 2009 IEEE Energy Conversion Congress and Exposition (ECCE 2009)

Y2 - 20 September 2009 through 24 September 2009

ER -

A class of single-step high-voltage DC-DC converters with low voltage stress and high output current capacity

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