[艾爾電氣 局放測(cè)試儀 執(zhí)行標(biāo)準(zhǔn)]
IEC-270、GB7354
[艾爾電氣 局放測(cè)試儀 產(chǎn)品簡(jiǎn)介]
立足新科學(xué)技術(shù)發(fā)展,刻意創(chuàng)新開(kāi)發(fā)的局部放電檢測(cè)系統(tǒng),專門用于變壓器、電機(jī)、互感器、電纜、GIS、開(kāi)關(guān)、避雷器等電器設(shè)備的局部放電測(cè)量。是電器設(shè)備制造廠、發(fā)供電運(yùn)行部門、電力建設(shè)安裝調(diào)試部門的測(cè)試設(shè)備。局部放電檢測(cè)系統(tǒng)其的多通道同時(shí)測(cè)量功能,可方便地完成多臺(tái)試品的同時(shí),測(cè)量或單臺(tái)試品的多點(diǎn)同時(shí)測(cè)量。這樣使大型變壓器放電部位的診斷成為可能,該方法已成功地用于大型變壓器的檢測(cè)及變電站的變壓器局部放電在線監(jiān)測(cè)。
別名:數(shù)字局放測(cè)試儀、局部放電測(cè)試儀、局放測(cè)試等等。
[艾爾電氣 局放測(cè)試儀 產(chǎn)品特征]
1、測(cè)量通道:2/4/6通道測(cè)量,獨(dú)立的信號(hào)調(diào)理、AD采樣、處理、顯示,且實(shí)現(xiàn)同步采樣。
2、測(cè)量功能:可檢測(cè)局部放電幅值、極性、相位、放電起始電壓、熄滅電壓、次數(shù)等相關(guān)參數(shù)。
3、同步功能:內(nèi)、外同步任意選擇,且具有零標(biāo)指示和相位分辨功能。
4、顯示方式:可選擇橢圓、直線、正弦及二維、三維等界面顯示局部放電信號(hào),可直觀的分析測(cè)試過(guò)程中信號(hào)的頻率、相位、幅度以及試驗(yàn)電壓之間的相互關(guān)系。
5、局部放大:可對(duì)單個(gè)或某一段放電信號(hào)進(jìn)行波形分析,確定信號(hào)的性質(zhì)。
6、開(kāi)窗功能:可在任意相位開(kāi)窗(消隱),用于特別顯示(或屏蔽)相位的信號(hào)。
7、同步消隱:在配合阻抗單元和耦合電容的情況下,可對(duì)來(lái)自地網(wǎng)、試驗(yàn)電源和試驗(yàn)現(xiàn)場(chǎng)空間的干擾進(jìn)行同步濾除。
8、極性鑒別:可通過(guò)放電信號(hào)的脈沖極性區(qū)分,是試品內(nèi)部、外部的放電,有效去除外部干擾。
9、頻譜分析:基于FFT算法實(shí)現(xiàn)的頻譜分析與FIR數(shù)字濾波功能。
10、增益可調(diào):在量程切換跨度內(nèi),實(shí)現(xiàn)增益連續(xù)可調(diào)。
11、保存打?。嚎杀4鎲未畏烹姷臄?shù)據(jù),也可記錄一段時(shí)間的局部放電圖形及相關(guān)參數(shù),保存的數(shù)據(jù)可回放和重現(xiàn)方便后期分析。對(duì)單次放電的數(shù)據(jù)提供打印功能。
[艾爾電氣 局放測(cè)試儀 產(chǎn)品參數(shù)]
1、測(cè)量通道:獨(dú)立2/4/6通道
2、檢測(cè)靈敏度:0.5pC
3、采樣精度:12位
4、采樣速率:12.5M/s
5、測(cè)量范圍:0.5pC~1μC
6、量程線性度誤差:優(yōu)于±5%
7、量程切換:/10、×1、×10、×100
8、試品電容量范圍:6pF~250μF
9、測(cè)量頻帶:10kHz~1MHz
10、程控濾波:
低端頻率:20kHz,40kHz,60kHz,80kHz
頻率:100kHz,200kHz,300kHz,400kHz
11、數(shù)字濾波:10kHz~1MHz可選
12、試驗(yàn)電源頻率:30~300Hz
13、工作環(huán)境:環(huán)境溫度:-10~45℃ 相對(duì)濕度:≤95%
14、電源: AC220V;頻率50Hz
[艾爾電氣 產(chǎn)品選型]
根據(jù)用戶具體要求,設(shè)計(jì)相應(yīng)的產(chǎn)品配置方案。
AL103 Turns on electricity tester
Implementation of standards.
IEC-270、GB7354
Product characteristic:
1.Adopt the big screen shows a tube, can the clear observation turn on electricity a form;
2.The adoption double's watch head's manifestation turns on electricity quantity and have numerical form and point needle watch a head to show a PC value in the meantime;
3.Zao voice inside the machine is small, examine an intelligent degree Gao, the electric capacity overlays scope big;
4.The physical volume is small, the weight is light, easy to take.
5, two-dimensional and three-dimensional partial discharge on-map display of the most innovative, compelling.
6, more informative, and it easier to distinguish between partial discharge pulse and interference.
7, any phase, double Windows, single pane Windows Optional, 360 degree rotation of the ellipse.
8 open Windows, unique digital technology to avoid interference on measuring the impact.
9, two-channel measurement and digital differential technology, which can flexibly pulse polarity measurement of differential or balanced circuit, effectively suppress interference pulses. Test and measuring both goods or a test of partial discharge signals of two points.
Technique parameter:
1.The examination tries the electric capacity scope of article:6 μ pFs-250s F;
2.Examine an intelligent degree<0.02 PCs(the electric capacity 50 pFs);
3.Oval scan hour Ji: The 50 Hz 100 Hz 150 Hz 200 Hz 400 Hz takes 30 degrees as on block, can make 120 degrees to revolve;
4.Enlarger:The 3 DB low level frequency FZ: The 10 KHz 20 KHz 40 KHz term choose;
5.High level frequency FH: The 80 KHz 200 KHz 300 KHz term choose;
6.The window of time: The window breadth 15 degrees - is 150 degrees, the window position can revolve 0 degrees - 170 degrees;
7.The pulse Feng is worth form:31/2 numerical forms show, 0 -s are 1000 error margins<3%;
8.Experiment electric voltage form: Measure the distance 50 KVs(can expand)31/2 numerical forms show, 0 -s are 1000 error margins<± 3%;
9.Power supply: The AC220 ±s 10%50 Hz ± is 5%.