
您的位置:首頁 > 產(chǎn)品展廳 > 儀器儀表 > 專用儀器儀表 > 其他專用儀器儀表 > NAJFXD多通道局部放電超聲自動定位系統(tǒng)
NAJFXD several phases automatic PD discharge positioning system
設(shè)備別名
局部放電分析系統(tǒng),局部放電檢測系統(tǒng),局放儀,局部放電測試系統(tǒng),局部放電超聲自動定位系統(tǒng),局放超聲定位系統(tǒng),局部放電超聲定位系統(tǒng),超聲局放自動定位系統(tǒng)
功能概述
采用超聲波(AE )及特高頻(UHF )檢測原理,結(jié)合無線信號傳輸技術(shù)實現(xiàn)對GIS、變壓器等高壓電氣設(shè)備的局部放電缺陷檢測和定位。運作中大型變壓器的故障檢測及定位始終是電氣工程師們關(guān)注的焦點問題。國家“七五”重點科技攻關(guān)項目“大型變壓器局部放電超聲定位方法及裝置的研究“課題中研制的NAJFXD系統(tǒng)為解決這一問題提供了有效手段。
NAJFXD系統(tǒng)先后在葛州壩500kV開關(guān)站、武漢鳳凰山500kV變電站、上海變壓器廠、合肥變壓器廠、衡陽變壓器廠、廣州供電局、武漢供電局、湖南電力局、重慶變壓器廠、武鋼等處對數(shù)百臺變壓器,電抗器進行局部放電超聲測量。該系統(tǒng)工作可靠、操作方便,滿足測量要求。作為電力部“八五”重點推廣項目之一,目前該電裝置已廣泛應(yīng)用于東北、華中、華東、華北和西北等有關(guān)單位的電力測試研究及現(xiàn)場測量。
NAJFXD超聲定位系統(tǒng)集高性能計算機、高靈敏度局放聲測探頭、程控放大濾波、高速A/D轉(zhuǎn)換器、瞬態(tài)波形記錄、信號分析、故障定位計算機軟件于一體,適用于大型變壓器和充油高電壓電器設(shè)備以及GIS和其他電力運行設(shè)備中局部放電超聲信號的采集、測量、分析和定位以及在線監(jiān)測。
NAJFXD超聲定位系統(tǒng)對通常產(chǎn)生的變壓器圍屏、引線、金屬件及高壓線圈表面的放電能迅速判明故障位置。定位誤差小于250mm,整套測量系統(tǒng)能檢測出小于1000pC局部放電量的超聲信號。
功能與特點:
1、基于Windows平臺下的軟件,使局部放電超聲波探測的操作、分析更簡捷。
2、超聲波傳感器具有低噪聲、高靈敏度和抗干擾性能,使信號的獲取更可靠。
3、具有局部放電超聲波信號的電-聲定位和聲-聲定位功能,使現(xiàn)場測量更靈活。
4、任意選擇超聲波信號的球面定位計算或雙曲面定位計算,使定位結(jié)果更精確。
5、用立體幾何圖形展現(xiàn)超聲波探頭和定位點的坐標(biāo)位置。
6、方便建立測量和定位的數(shù)據(jù)庫,便于進一步分析和管理。
7、本儀器還可以作為局部放電在線監(jiān)測儀使用,可監(jiān)測電力設(shè)備的局放產(chǎn)生和發(fā)生發(fā)展。
技術(shù)參數(shù):
超聲探頭靈敏度:-150dB
輸入通道數(shù):2/6/8
A/D轉(zhuǎn)換精度:8bit±1/2LSB
采樣長度:32k/通道
最小可測放電量:<50pC(實驗室) <300(1000)pC(現(xiàn)場)
最小定位誤差:<50mm(實驗室)< 250mm(現(xiàn)場)
NAJFXD Type Local Discharge Ultrasonic Automatic Positioning Device
Also called name
Partial discharge analysis system, partial discharge detection system, partial discharge tester, partial discharge test system, partial discharge ultrasonic automatic positioning system, partial discharge ultrasonic positioning system, partial discharge ultrasonic positioning system, ultrasonic partial discharge automatic positioning system
Main functions
The failure testing and positioning of operating the medium and large sized transformers have always been the points that electrical engineers focus for a long time. The NAJFXD system, manufactured in the large-sized transformer local discharge ultrasonic position method and equipment research subject which is one of the national key scientific and technological project has provided an effective solution.
The NAJFXD system has carried the ultrasonic measurement to the local discharge of the hundreds of transformers and reactor in Gezhou Dam 500kV switch station, Wuhan Phoenix Mountain 500kV transformer substation, Shanghai transformer factory, Hefei transformer factory, Hengyang transformer factory, Guangzhou power supply bureau, Hunan electricity generating board, Chongqing transformers factory and Wuhan steel. This system has the advantage of operation reliable and easy to operate. It can meet the needs of measurement. As one of the key items of the of eight-five project, this electrical device has been widely used for the spot test and research in the related unit in the north, east, central and northwest parts of China.
The NAJFXD ultrasonic positioning system which is including the high performance computer, high-sensitivity local discharge sound probe, programmed amplified filter, high-speed A/D transducer, transient waveform recording, signal analysis and fault location software is applied for acquiring, measuring, analyzing, positioning and spot observing the local discharge ultrasonic signal in the large-sized transformer, oil-immersed high voltage electrical apparatus and the GIS electrical operation equipment.
The NAJFXD ultrasonic positioning system can position the fault and the error is less than 250mm. The whole measuring system can find out the local discharge ultrasonic signal which is less than 1000pC.
Main characteristics:
(1) Making the detecting operation of local discharge ultrasonic more convenient and the analyzing more simple under the platform of the windows.
(2) Making the signal acquired more reliably for the ultrasonic sensor has the performance of low noise, high-sensitivity and anti-jamming.
(3) Making the spot testing more flexible with the local discharge ultrasonic signal electrical-acoustical position and acoustical-acoustical position functions
(4) Making the result of the position more precisely by choosing freely the spherical position calculation and the hyperboloid position calculation of the ultrasonic signal.
(5) Showing the position coordinates by ultrasonic probe and the locating point by solid geometric drawing.
(6) Convenient for building the measuring and positioning database for further analyzing and managing.
(7) Be the local discharge on-line detecting instrument which is useful for detecting the local generating and developing.
Technical parameter:
The sensitivity of the ultrasonic probe: -150dB
A/D conversion accuracy: 8bit±1/2LSB
Sample length: 32k/channel
Minimum detectable discharge:<50pC (laboratory)<300(1000)pC (spot)
Minimum positional error:<50mm(laboratory)< 250mm (spot)
NAJFB地鐵巡線定位專用遠程超聲波巡檢巡線裝置,主要適用于35kV以下的配網(wǎng)線路巡檢,用于發(fā)現(xiàn)放電點故障。
NAJFS數(shù)字局部放電檢測裝置,是近年來南澳電氣公司最新研制生產(chǎn)的又一新穎局部放電檢測儀。廣泛適用于變壓器、互感器、高壓開關(guān)、氧化鋅避雷器、電力電纜等各種高電壓電工產(chǎn)品的局部放電的測量,產(chǎn)品的型式試驗
南澳電氣專業(yè)生產(chǎn)NA23雷電沖擊峰值電壓表
NA23型沖擊峰值電壓表是測量任一波頭時間大于500ns單次沖擊全波,也可以測量和儲存沖擊電壓峰值、沖擊電流峰值以及其它單次脈沖峰值,截波峰值的智能型專用儀表,是為測試條件較為惡劣的高壓試驗場所使用而
① 凡本網(wǎng)注明"來源:易推廣"的所有作品,版權(quán)均屬于易推廣,未經(jīng)本網(wǎng)授權(quán)不得轉(zhuǎn)載、摘編或利用其它方式使用。已獲本網(wǎng)授權(quán)的作品,應(yīng)在授權(quán)范圍內(nèi)
使用,并注明"來源:易推廣"。違者本網(wǎng)將追究相關(guān)法律責(zé)任。② 本網(wǎng)凡注明"來源:xxx(非本網(wǎng))"的作品,均轉(zhuǎn)載自其它媒體,轉(zhuǎn)載目的在于傳遞更多信息,并不代表本網(wǎng)贊同其觀點和對其真實性負責(zé),且不承擔(dān)此 類作品侵權(quán)行為的直接責(zé)任及連帶責(zé)任。如其他媒體、網(wǎng)站或個人從本網(wǎng)下載使用 ,必須保留本網(wǎng)注明的"稿件來源",并自負版權(quán)等法律責(zé)任。
③ 如涉及作品內(nèi)容、版權(quán)等問題,請在作品發(fā)表之日起兩周內(nèi)與本網(wǎng)聯(lián)系,否則視為放棄相關(guān)權(quán)利。
④易推廣頁面顯示產(chǎn)品信息均由企業(yè)自主發(fā)布,信息內(nèi)容真實性、準確性與合法性由相關(guān)企業(yè)負責(zé),易推廣對此不承擔(dān)任何責(zé)任,如遇非法或侵權(quán)信息歡迎監(jiān)督,請聯(lián)系QQ:1273397930或者發(fā)郵件至:1273397930@qq.com,如有確實證件證明屬實,本站將對其刪除處理,謝謝!
⑤ 本信息由注冊會員:南澳電氣(武漢)有限公司發(fā)布并且負責(zé)版權(quán)等法律責(zé)任。
易推廣客服微信