基于超聲波信號(hào)檢測的GIS擊穿放電定位方法研究
張軍民,劉伸展,李環(huán)
平高集團(tuán)有限公司,河南 平頂山 467001
摘 要:針對(duì)氣體絕緣開關(guān)設(shè)備(GIS)擊穿放電定位難的問題,提出了一種基于超聲波信號(hào)檢測的GIS擊穿放電定位方法。利用傳感器采集放電引起的超聲波信號(hào),經(jīng)過無線傳輸進(jìn)入上位機(jī)進(jìn)行信號(hào)處理,并通過比較不同位置的超聲波信號(hào)時(shí)間先后及超聲波幅值大小來實(shí)現(xiàn)放電的精確定位。試驗(yàn)結(jié)果表明,該法對(duì)擊穿放電定位準(zhǔn)確,簡化了排查故障的過程,縮短了GIS調(diào)試周期。
關(guān)鍵詞:氣體絕緣開關(guān)設(shè)備(GIS);超聲波信號(hào);擊穿放電;精確定位;ZigBee技術(shù)
中圖分類號(hào):TM591;TM855 文獻(xiàn)標(biāo)識(shí)碼:B 文章編號(hào):1007-3175(2013)08-0053-03
Study of Disruptive Discharge Positioning Method of Gas Insulated Switchgear Based on Ultrasonic Wave Signal Test
ZHANG Jun-min, LIU Shen-zhan, LI Huan
Pinggao Group Co., Ltd, Pingdingshan 467001, China
Abstract: Aiming at the problem that the disruptive discharge of gas insulated switchgear (GIS) is difficult to position, this paper raised a kind of disruptive discharge position method of GIS based on ultrasonic wave signal test. The sensor was used to collect ultrasonic wave signals caused by discharge and the signals were sent to the upper computer to carry out signal processing through wireless transmission. Time sequence and scale value size of different position’s ultrasonic wave signals were compared to realize accurate position of discharge. The test results show that the method for disruptive discharge position is accurate, simplifying fault checking process and shortening the commissioning cycle of GIS.
Key words: gas insulated switchgear; ultrasonic wave signal; disruptive discharge; accurate position; ZigBee technology
參考文獻(xiàn)
[1] 楊文杰,楊卓,譚向宇,等.GIS設(shè)備絕緣檢測技術(shù)研究[J].儀器儀表用戶,2012,19(6):25-26.
[2] 孫強(qiáng),董明,任重,等.現(xiàn)場用GIS沖擊耐壓試驗(yàn)及局部放電檢測裝置設(shè)計(jì)[J].高電壓技術(shù),2012,38(3):639-644.
[3] 王鑫.電氣設(shè)備的在線監(jiān)測與故障診斷[D].濟(jì)南:山東大學(xué),2005.
[4] 王萬寶,李永寧,周迎新,等.GIS超聲波局部放電檢測技術(shù)的應(yīng)用分析[J].電氣技術(shù),2012(2):49-52.
[5] 嚴(yán)玉婷,王亞舟,段紹輝,等.GIS局部放電帶電測試原理研究及現(xiàn)場缺陷分析[J].電瓷避雷器,2012(3):51-56.
[6] 唐炬.組合電器局放在線監(jiān)測外置傳感器和復(fù)小波抑制干擾的研究[D].重慶:重慶大學(xué),2004.
[7] 楊飛,王小華,榮命哲,等.一種新的中壓真空斷路器三相同期在線監(jiān)測方法[J].中國電機(jī)工程學(xué)報(bào),2008,28(12):139-144.