Principle of adaptive optical current transducer on independent variables and its test |
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Authors: | LU Zhong-feng GUO Zhi-zhong |
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Affiliation: | School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China |
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Abstract: | In order to improve the measurement precision of the optical current transducer (OCT), the adaptive optical transducing principle on independent variables is presented in this paper. And one of the adaptive opti-cal current transducer(AOCT) on the independent variables of the output of the electricmegnet current trans-ducer is introduced. According to IEC660044-8, the performance of AOCT was examined roundly applying the standard testing system authenticated by the state authority. The results indicate that the measurement precision of the AOCT has already reached 0.2 class under the temperature from -40℃ to 60℃,which proves the feasi-bility of the method. |
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Keywords: | optical current transducer Faraday effect adaptive control |
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