一種基于電壓互感器的絕緣子狀態(tài)檢測(cè)方法
趙雨生,金鈞,張震,李昂,王聰
大連交通大學(xué) 電氣信息學(xué)院,遼寧 大連 116028
摘 要:從電壓互感器工作原理與絕緣子電壓分布檢測(cè)原理入手,基于分布電壓檢測(cè)方法,提出一種絕緣子狀態(tài)檢測(cè)方法,通過(guò)對(duì)絕緣子末端傘裙電壓的測(cè)量,并與正常工作時(shí)絕緣子電壓比較,據(jù)此判斷絕緣子是否被損壞。該方法操作簡(jiǎn)單、工作量小,能準(zhǔn)確高效地檢測(cè)出絕緣子的工作狀態(tài),提高了高速鐵路安全運(yùn)行的可靠性。
關(guān)鍵詞:絕緣子;電壓互感器;電壓分布法;高壓分壓器
中圖分類(lèi)號(hào):TM451;TM855 文獻(xiàn)標(biāo)識(shí)碼:A 文章編號(hào):1007-3175(2014)02-0052-04
A Kind of Insulator State Test Method Based on Voltage Transformer
ZHAO Yu-sheng, JIN Jun, ZHANG Zhen, LI Ang, WANG Cong
School of Electronics and Information Engineering, Dalian Jiaotong University, Dalian 116028, China
Abstract: Starting from voltage transformer working principle and insulator voltage distribution test principle, this paper raised a kind of insulator state test method based on distribution voltage test. Via measuring of insulator end umbrella skirt voltage and comparing with normal working insulator voltage, judgments were made to determine whether the insulator was damaged or not. The method is simple in operation with a little working quantity, being able to correctly and effectively test working conditions of insulators, which improves safe operation’s reliability of express railway line.
Key words: insulator; voltage transformer; voltage distribution method; high-voltage voltage divider
參考文獻(xiàn)
[1] 王玉濤. 淺談絕緣子防污閃技術(shù)[ J ] . 科技資訊,2012(13):122.
[2] 趙智大. 高電壓技術(shù)[ M ] .2 版. 北京:中國(guó)電力出版社,2008.
[3] 魏儔元. 接觸網(wǎng)棒式絕緣子大面積污閃原因分析及防范對(duì)策[J]. 鐵道標(biāo)準(zhǔn)設(shè)計(jì),2006(8):101-103.
[4] 關(guān)志成,劉瑛巖,周遠(yuǎn)翔,等. 絕緣子及輸變電設(shè)備外絕緣[M]. 北京:清華大學(xué)出版社,2006.
[5] 裴升文,支紅強(qiáng). 一起復(fù)合絕緣子污閃事故的原因分析及防范[J]. 電力安全技術(shù),2011,13(1):36-37.
[6] 蔡偉,李敏,楊顏紅. 污穢絕緣子在線監(jiān)測(cè)系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn)[J]. 電力系統(tǒng)自動(dòng)化,2002,26(17):45-48.
[7] Karady G G,Amarh F.Signature analysis for leakage current waveforms of polluted insulators[C]//IEEE Transmission and Distribution Conference,1999.
[8] 王雪,張冠軍,嚴(yán)璋. 國(guó)內(nèi)高壓絕緣子在線檢測(cè)方法綜述[J]. 電磁避雷器,2002(6):3-5.
[9] 任志超,吳廣寧,周利軍,等. 大秦線大同地區(qū)接觸網(wǎng)外絕緣污閃因素調(diào)查與污穢測(cè)試的研究[ J ] .機(jī)車(chē)電傳動(dòng),2010(5):47-50.
[10] 吳廣寧,張冠軍,劉剛. 高電壓技術(shù)[M]. 北京:機(jī)械工業(yè)出版社,2007.
[11] 安玲,江秀臣,朱宇,等. 檢測(cè)劣質(zhì)絕緣子的新方法——敏感絕緣子法[ J ].中國(guó)電機(jī)工程學(xué)報(bào),2002,22(9):108-112.
[12] 李彥吉,王蘭河,杜心康. 瓷絕緣子防污閃技術(shù)的研究[J]. 鐵道標(biāo)準(zhǔn)設(shè)計(jì),2008(11):108-110.
[13] 呂躍剛, 高晟輔, 范俊峰, 等. 基于nRF905 無(wú)線數(shù)傳模塊的設(shè)計(jì)及其實(shí)現(xiàn)[ J ] . 微計(jì)算機(jī)信息,2006,22(35):274-276.