Suzhou Electric Appliance Research Institute
期刊號: CN32-1800/TM| ISSN1007-3175

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船用光纖電流互感器沖擊試驗誤差分析

來源:電工電氣發(fā)布時間:2022-02-28 09:28 瀏覽次數(shù):536

船用光纖電流互感器沖擊試驗誤差分析

劉勇1,張國昌2,高偉3
(1 海軍裝備部駐上海地區(qū)第一軍事代表室,上海 201913;
2 煙臺哈爾濱工程大學研究院,山東 煙臺 264006;
3 哈爾濱工業(yè)大學 儀器科學與工程學院,黑龍江 哈爾濱 150001)
 
    摘 要:對于船舶環(huán)境來說,因各類原因而產(chǎn)生的沖擊對光纖電流互感器 (FOCT) 的影響不可忽略。分析了沖擊對直波導共線型光纖電流互感器的影響,基于胡克定律和彈光效應建立了光纖延遲環(huán)在沖擊機械應力作用下非互易性相位誤差產(chǎn)生的數(shù)學模型,在模型中引入了機械平臺固定部分的簡諧受迫振動分析,并根據(jù)相關標準對 FOCT 樣機進行了沖擊試驗,試驗結果證明了誤差數(shù)學模型的正確性,對分析補償光纖電流互感器的沖擊誤差具有重要的意義。
    關鍵詞:光纖電流互感器;沖擊模型;非互易性相位誤差;彈光效應
    中圖分類號:TM452+.94     文獻標識碼:A     文章編號:1007-3175(2022)02-0041-06
 
Impact Test Error Analysis of Fiber-Optic
Current Transformer Applied to Ship
 
LIU Yong1, ZHANG Guo-chang2, GAO Wei3
(1 The First Military Representative Office of the Navy in Shanghai, Shanghai 201913, China;
2 Yantai Research Institute and Graduate School of Harbin Engineering University, Yantai 264006, China;
3 School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin 150001, China)
 
    Abstract: In the marine environment, many reasons could cause an impact on the fiber-optic current transformer(FOCT). This paper studied the influence of impact on the straight waveguide collinear fiber-optic current transformer. It established the mathematical model of non-reciprocity phase error of optical fiber delay ring under mechanical impact based on Hooke's law and elastic-optic effect. This research brought the harmonically excited vibration analysis of the fixed part of the platform of machinery in the model, and the experiment of the FOCT prototype is carried out according to the relevant standards. The experimental results prove the correctness of the mathematical model of error, which has significant meaning for analyzing and compensating the impact error of the fiber-optic current transformer.
    Key words: fiber-optic current transformer; impact model; nonreciprocal phase error; elastic-optic effect
 
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