Table 7 Comparison of the proposed RS-SQAB converter with DAB and SQAB.

From: Reduced switch multiple active bridge DC-DC converter for modular solid-state transformers

Converter type

Comparison item

 

Number of units

Number of switches

Total standing voltage (TSV)

DAB

U

8U

\(U{V_{LV}}(4+4N{{{D_s}} \mathord{\left/ {\vphantom {{{D_s}} {{D_p}}}} \right. \kern-0pt} {{D_p}}})\)

SQAB

U/2

16×(U/2) = 8U

\(U{V_{LV}}(4+4N{{{D_s}} \mathord{\left/ {\vphantom {{{D_s}} {{D_p}}}} \right. \kern-0pt} {{D_p}}})\)

RS-SQAB

U/2

12×(U/2) = 6U

\(U{V_{LV}}(3+4N{{{D_s}} \mathord{\left/ {\vphantom {{{D_s}} {{D_p}}}} \right. \kern-0pt} {{D_p}}})\)