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Analysis on critical component failure mode of fiber optical current transformer
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Affiliation:

1. Shandong Power Equipment Co. Ltd., Jinan 250022, China; 2.Electric Power Research Institute of Fujian Electric Power Limited Company, Fuzhou 350007, China

Clc Number:

TM452; TN256

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    Abstract:

    The optical and electrical components of fiber optical current transformer (FOCT) are studied. The principle and structure of the system are described. By means of FMECA and FTA the reliability analysis of the system is made. Through the fault cases in practical application, the critical component failure modes of the system are determined. The fault tree of the optical unit is constructed. According to the risk priority number of failures the design weak points are determined and the improve measures are put forward. In this way the risks of critical components failure can be reduced. The fault cases of FOCT are analyzed and the validity of the system reliability analysis method is verified.

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  • Online: January 30,2018
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