CPC H02J 1/12 (2013.01) [H02J 1/082 (2020.01); H02J 1/106 (2020.01); H02M 3/01 (2021.05)] | 20 Claims |
1. An electrical interconnection circuit for a solid-state-transformer (SST) system, the interconnection circuit comprising:
a plurality of medium voltage direct current (MVDC) to low voltage direct current (LVDC) direct current to direct current (DC/DC) converters;
a plurality of independent LVDC buses respectively connected to one of the MVDC to LVDC DC/DC converters; and
at least one 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;
wherein the at least one interconnecting DC/DC converter is configured to re-route power between the plurality of independent LVDC buses; and
wherein a power rating of the at least one 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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