公开(公告)号：US20210126567A1

公开(公告)日：2021-04-29

申请号：US17061140

申请日：2020-10-01

Applicant: ROLLS-ROYCE plc

Inventor： Mark SWEET ,  David F BROOKES

IPC: H02P9/42 ,  F02C7/06 ,  F02C6/00 ,  H02P101/25 ,  H02P103/20

Abstract: A turboelectric generator system includes a gas turbine engine which includes, in fluid flow series, a gas-generator compressor, a combustor, a gas-generator turbine, and a variable-speed free power turbine. The system further comprises a variable-frequency electric machine rotatably connected with the free power turbine and a power converter configured to convert a variable frequency electrical output from the electric machine to a fixed frequency output.