SST system with multiple LVDC outputs

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United States of America Patent

PATENT NO 11791628
APP PUB NO 20230178982A1
SERIAL NO

17916473

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Abstract

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An electrical interconnection circuit can be used with a solid-state-transformer (SST) system. The interconnection circuit includes medium voltage direct current (MVDC) to low voltage direct current (LVDC) direct current to direct current (DC/DC) converters, independent LVDC buses respectively connected to one of the MVDC to LVDC DC/DC converters, and an interconnecting DC/DC converter connecting at least two of the independent LVDC buses in order to ensure equal power demand from each MVDC to LVDC DC/DC converters. The interconnecting DC/DC converter is configured to re-route power between the plurality of independent LVDC buses. A power rating of the interconnecting DC/DC converter is set according to power to be rerouted from other LVDC buses via the interconnecting DC/DC converter.

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Patent Owner(s)

Patent OwnerAddress
HITACHI ENERGY LTD8050 ZÜRICH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Canales, Francisco Baden-Dättwil, CH 40 639
Isler, Stephane Faucigny, FR 9 4
Ortiz, Gabriel Ignacio Schlieren, CH 4 2
Steinke, Juergen Albbruck, DE 9 5

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