The hybrid-cascaded DC-DC converters suitable for HVdc applications

Jie Yang; Zhiyuan He; Hui Pang; Guangfu Tang

doi:10.1109/TPEL.2015.2420666

The hybrid-cascaded DC-DC converters suitable for HVdc applications

Jie Yang
, Zhiyuan He
, Hui Pang
, Guangfu Tang

School of Electrical Engineering

State Grid Corporation of China

Research output: Contribution to journal › Article › peer-review

169 Scopus citations

Abstract

A dc-dc converter is essential for interconnecting HVdc networks of different voltage levels. This letter introduces a new family of dc-dc converters consisting of semiconductor switches and stack of submodules, which is named as hybrid-cascaded dc-dc converter (HCDC). This concept shows very attractive capital costs and low power losses. In this letter, the detailed operating principle of the HCDC is analyzed. Simulation results are obtained from PSCAD/EMTDC to verify the feasibility of the converters. The performances of the converters are evaluated in detail.

Original language	English
Article number	7081342
Pages (from-to)	5358-5363
Number of pages	6
Journal	IEEE Transactions on Power Electronics
Volume	30
Issue number	10
DOIs	https://doi.org/10.1109/TPEL.2015.2420666
State	Published - 1 Oct 2015

Keywords

HVdc applications
Hybrid cascaded dc-dc converters
power losses
soft-switching

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10.1109/TPEL.2015.2420666

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abstract = "A dc-dc converter is essential for interconnecting HVdc networks of different voltage levels. This letter introduces a new family of dc-dc converters consisting of semiconductor switches and stack of submodules, which is named as hybrid-cascaded dc-dc converter (HCDC). This concept shows very attractive capital costs and low power losses. In this letter, the detailed operating principle of the HCDC is analyzed. Simulation results are obtained from PSCAD/EMTDC to verify the feasibility of the converters. The performances of the converters are evaluated in detail.",

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N2 - A dc-dc converter is essential for interconnecting HVdc networks of different voltage levels. This letter introduces a new family of dc-dc converters consisting of semiconductor switches and stack of submodules, which is named as hybrid-cascaded dc-dc converter (HCDC). This concept shows very attractive capital costs and low power losses. In this letter, the detailed operating principle of the HCDC is analyzed. Simulation results are obtained from PSCAD/EMTDC to verify the feasibility of the converters. The performances of the converters are evaluated in detail.

AB - A dc-dc converter is essential for interconnecting HVdc networks of different voltage levels. This letter introduces a new family of dc-dc converters consisting of semiconductor switches and stack of submodules, which is named as hybrid-cascaded dc-dc converter (HCDC). This concept shows very attractive capital costs and low power losses. In this letter, the detailed operating principle of the HCDC is analyzed. Simulation results are obtained from PSCAD/EMTDC to verify the feasibility of the converters. The performances of the converters are evaluated in detail.

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KW - soft-switching

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The hybrid-cascaded DC-DC converters suitable for HVdc applications

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Keywords

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