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The Fiber Grating Sensors Technology And Its Applications In Power System

Based on analyzing the sensing principles of Bragg fiber grating and LPG,fiber grating,the applications of fiber grating sensors in power system are summarized systematically,especially in monitoring power cable 、two-phase wet steam flow moisture field 、 HV switchgear temperature,winding temperature,the leaf of wind power generator and the edge's vibration of generator winding . Their practical values are analyzed too in detail.. A fiber grating current sensor measurement model with 0.0888nm/A of prospected sensing sensitivity which is based on giant magnetostrictive material is proposed,
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