US 12,334,832 B2
Dual active bridge converter, voltage converter arrangement and method for operating a dual active bridge converter
Christian Winter, Tamm (DE); and Jan Riedel, Esslingen Am Neckar (DE)
Assigned to Robert Bosch GmbH
Appl. No. 18/009,404
Filed by Robert Bosch GmbH, Stuttgart (DE)
PCT Filed May 25, 2021, PCT No. PCT/EP2021/063871
§ 371(c)(1), (2) Date Dec. 9, 2022,
PCT Pub. No. WO2021/249765, PCT Pub. Date Dec. 16, 2021.
Claims priority of application No. 10 2020 207 325.2 (DE), filed on Jun. 12, 2020.
Prior Publication US 2023/0223857 A1, Jul. 13, 2023
Int. Cl. H02M 3/335 (2006.01); H02M 1/14 (2006.01)
CPC H02M 3/33573 (2021.05) [H02M 1/14 (2013.01); H02M 3/33584 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method for operating a dual active bridge converter (1), the method comprising:
determining (S1) a control variable (d) as a phase shift for the dual active bridge converter (1);
superimposing (S2) the control variable (d) with a ripple component; and
controlling (S3) the dual active bridge converter (1) using the control variable (d) superimposed with the ripple component,
wherein the ripple component includes a periodic quantity having a predetermined signal shape, and
wherein an amplitude of the ripple component is selected to be at least large enough that a stagnation of the control variable when passing through a dead time region is avoided.