The compensation of long‐term temperature induced error in the all fiber current transformer through optimizing initial phase delay in λ/4 wave plate | Zendy

Hu Haoliang | Zendy; Huang Junchang | Zendy; Xia Li | Zendy; Yan Zhenlin | Zendy; Peng Shen | Zendy

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The compensation of long‐term temperature induced error in the all fiber current transformer through optimizing initial phase delay in λ/4 wave plate

Author(s) -

Hu Haoliang,

Huang Junchang,

Xia Li,

Yan Zhenlin,

Peng Shen

Publication year - 2019

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.31793

Subject(s) - verdet constant , materials science , transformer , optical fiber , optics , current transformer , faraday effect , physics , electrical engineering , voltage , engineering , magnetic field , quantum mechanics

The long‐term temperature induced errors caused by fiber λ/4 wave plate and the Verdet constant of sensing fiber in the all fiber current transformer (FOCT) are theoretically analyzed. A temperature related response of fiber λ/4 wave plate is adopted to compensate for the change caused by temperature related Verdet constant through choosing appropriate initial phase retardation of the λ/4 wave plate. The experimental results show high temperature‐cycle accuracy in this kind of FOCT with relative error within 0.6%.

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