公开(公告)号：US20210075331A1

公开(公告)日：2021-03-11

申请号：US16999680

申请日：2020-08-21

Applicant: ROLLS-ROYCE plc

Inventor： Mohd TARIQ ,  Chandana J GAJANAYAKE ,  Ali I MASWOOD ,  Amit K GUPTA

IPC: H02M3/335 ,  H02M3/337 ,  H02M3/158 ,  B60L53/20 ,  H01F30/04 ,  H02J7/00

Abstract: Electrical power distribution systems and methods of operating electrical power distribution systems are provided. One electrical power distribution system comprises: an electrical power storage unit; a transformer; a first bidirectional converter circuit connected between the electrical power storage unit and a first winding of the transformer; a first DC bus; a second DC bus; a second bidirectional converter circuit connected between the first DC bus and a second winding of the transformer; a third bidirectional converter circuit connected between the second DC bus and a third winding of the transformer; and a controller connected for control of the first, second and third converter circuits to distribute electrical power between the electrical power storage unit, the first DC bus and the second DC bus.