Study on dualway temperature compensation method based on least square method for fiber optical current transformer

Home > Archive>Volume 39, Issue 6, 2016 >190-195

Study on dualway temperature compensation method based on least square method for fiber optical current transformer
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                        Ding Hao1Ding Hao
Shandong Power Equipment Co. Ltd., Jinan 250022, China
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Li Jun1Li Jun
Shandong Power Equipment Co. Ltd., Jinan 250022, China
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Shang Helong1Shang Helong
Shandong Power Equipment Co. Ltd., Jinan 250022, China
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Li Hongquan1Li Hongquan
Shandong Power Equipment Co. Ltd., Jinan 250022, China
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Zhang Meng1Zhang Meng
Shandong Power Equipment Co. Ltd., Jinan 250022, China
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Yan Guanfeng1Yan Guanfeng
Shandong Power Equipment Co. Ltd., Jinan 250022, China
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Wang Xingang1Wang Xingang
Shandong Power Equipment Co. Ltd., Jinan 250022, China
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Lu Huaidong2Lu Huaidong
Jinan Power Supply Company, State Grid Shandong Electric Power Corporation, Jinan 250001, China
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Yin Xiaomin2Yin Xiaomin
Jinan Power Supply Company, State Grid Shandong Electric Power Corporation, Jinan 250001, China
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Affiliation:1.Shandong Power Equipment Co. Ltd., Jinan 250022, China;2.Jinan Power Supply Company, State Grid Shandong Electric Power Corporation, Jinan 250001, China
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Abstract:

Accuracy decrease is one of problems that restricting engineering application of fiber optical current transformer (FOCT). The function of FOCT is introduced. The influence of temperature on the measurement results were studied and the dualway temperature compensation algorithm based on least square method were discussed. And its feasibility was verified by experiment. Analysis and experimental results show that this method improves the performance of FOCT in the whole temperature range.

Key words:fiber optical current transformer (FOCT), Faraday magnetooptical effect, λ/4 wave plate, least square method, dualway temperature compensation

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Online: July 21,2016
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