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

• DOI: 10.1002/mop.31793
• Publication Date: 2019-02-27T10:36:04Z
• Authors: Haoliang Hu; Junchang Huang; Li Xia; Zhenlin Yan; Shen Peng
• Keywords: Verdet constant

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