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公开(公告)号：US20250141313A1
公开(公告)日：2025-05-01
申请号：US18906737
申请日：2024-10-04
Applicant: ROLLS-ROYCE plc
Inventor： Hao CHEN , Ellis F H CHONG , Carl BOETTCHER
Abstract: The disclosure relates to electrical machine condition monitoring by placement of a Fibre Bragg Grating (FBG) in the stator of an electrical machine. Example embodiments include an electrical machine comprising: a stator having a plurality of stator teeth having windings around each tooth; a rotor rotatably mounted within the stator; and an optical fibre mounted to the stator, wherein the optical fibre comprises a Fibre Bragg Grating, FBG, positioned between an adjacent pair of stator teeth and oriented to measure a tangential strain between the pair of stator teeth.
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