材料電壓擊穿強(qiáng)度測(cè)試儀術(shù)語(yǔ)和定義:
- 耐電壓值: 迅速將電壓升高到規(guī)定值,保持一定時(shí)間試樣未被擊穿,稱此電壓值為試樣的耐電壓值,以kV表示。?
- 擊穿電壓: 試樣在某一電壓作用下被擊穿,此時(shí)的電壓值稱擊穿電壓,以kV表示。?
- 擊穿電壓強(qiáng)度: 試樣的擊穿電壓與其厚度之比,稱電壓強(qiáng)度,以KV/mm表示。
材料電壓擊穿強(qiáng)度測(cè)試儀概述
電壓擊穿試驗(yàn)儀采用計(jì)算機(jī)控制,通過(guò)人機(jī)對(duì)話方式,完成對(duì)絕緣介質(zhì)材料的工頻電壓擊穿,工頻耐壓試驗(yàn)。
適用于對(duì)固體絕緣材料(如:絕緣漆、樹脂和膠、浸漬纖維制品、層壓制品、云母及其制品、塑料、薄膜復(fù)合制品、陶瓷和玻璃等)在工頻電壓下?lián)舸╇妷?,擊穿?qiáng)度和耐電壓的測(cè)試。
儀器對(duì)實(shí)驗(yàn)過(guò)程中的各種數(shù)據(jù)快速、準(zhǔn)確地進(jìn)行采集、處理、存取、顯示、打印。
滿足標(biāo)準(zhǔn):
GB1408-2006 GB/T1695-2005 GB/T3333 HG/T3330 /GB12656 /ASTM D149 .
GB1408-2006 絕緣材料電氣強(qiáng)度試驗(yàn)
GB/T1695-2005 硫化橡膠工頻電壓擊穿強(qiáng)度和耐電壓強(qiáng)度試驗(yàn)
GB/T3333 電纜紙工頻電壓擊穿試驗(yàn)
HG/T 3330絕緣漆漆膜擊穿強(qiáng)度測(cè)定
GB12656 電容器紙工頻電壓擊穿試驗(yàn)
ASTM D149 固體電絕緣材料在工業(yè)電源頻率下的介電擊穿電壓和介電強(qiáng)度試驗(yàn)
安全保護(hù)功能:
◆ 試驗(yàn)在試驗(yàn)箱中進(jìn)行,試驗(yàn)箱門打開時(shí)電源加不到高壓變壓器輸入端,即高壓側(cè)無(wú)電壓。100KV測(cè)試設(shè)備高壓電極距離試驗(yàn)箱壁的zui近距離大于370mm,50KV測(cè)試設(shè)備高壓電極距離試驗(yàn)箱壁的zui近距離大于250mm,試驗(yàn)時(shí)即使人接觸箱壁也不會(huì)有危險(xiǎn)。
◆ 設(shè)備要安裝單獨(dú)的保護(hù)地線。接保護(hù)地線,主要是減少試樣擊穿時(shí)對(duì)周圍產(chǎn)生的較強(qiáng)的電磁干擾。也可避免控制計(jì)算機(jī)失控。
◆ 該試驗(yàn)設(shè)備的電路設(shè)有多項(xiàng)保護(hù)措施,主要有:過(guò)流保護(hù)、失壓保護(hù)、漏電保護(hù)、短路保護(hù)、直流試驗(yàn)放電報(bào)警等。
◆直流試驗(yàn)放電報(bào)警功能:在設(shè)備做完直流試驗(yàn)時(shí),當(dāng)開啟試驗(yàn)門時(shí)設(shè)備會(huì)自動(dòng)報(bào)警,直至使用設(shè)備上的放電裝置放電后報(bào)警會(huì)自動(dòng)取消.(注:因?yàn)橹绷髟囼?yàn)后不放電會(huì)危險(xiǎn)到人身安全,不能直接拿取電極,起到提醒使用人員放電以免造成人身傷害)。
◆ 試驗(yàn)放電裝置,隨主機(jī)為一體化,改進(jìn)了以往單獨(dú)配備一根放電桿的功能。
軟件功能:
01、軟件平臺(tái):WINDOWS窗口操作平臺(tái),界面直觀,便于操作
02、曲線顯示:在實(shí)驗(yàn)過(guò)程中可以動(dòng)態(tài)顯示試驗(yàn)曲線
03、數(shù)據(jù)導(dǎo)出:可以對(duì)試驗(yàn)結(jié)果導(dǎo)入EXCEL表格
04、實(shí)驗(yàn)報(bào)告:可以人為設(shè)置報(bào)告名稱,并對(duì)實(shí)驗(yàn)報(bào)告進(jìn)行打印
05、試驗(yàn)方式:可以根據(jù)需求對(duì)直流試驗(yàn)和交流試驗(yàn)進(jìn)行靈活選擇
06、試驗(yàn)方法:可以根據(jù)需求自行選擇擊穿電壓、耐壓試驗(yàn)、梯度試驗(yàn)
07、參數(shù)設(shè)置:可以根據(jù)不同的試驗(yàn)方式及試驗(yàn)方法靈活設(shè)置所需的不同參數(shù)值
08、試樣設(shè)置:可對(duì)不同標(biāo)準(zhǔn)的試樣參數(shù)靈活設(shè)置
09、人員管理:設(shè)置用戶名及密碼,不同的操作員登入進(jìn)行不同的試驗(yàn),互不影響
10、標(biāo)準(zhǔn)選擇:含有不同標(biāo)準(zhǔn),可根據(jù)需求自行選擇
11、連續(xù)操作:連續(xù)操作試驗(yàn)時(shí),可直接在軟件里選擇電機(jī)復(fù)位,進(jìn)行二次試驗(yàn)
技術(shù)指標(biāo):
01、輸入電壓: 交流 220 V
02、輸出電壓: 交流 0--100 KV ;
直流 0—100 KV
03、電器容量: 10KVA
04、高壓分級(jí): 0-100KV
05、升壓速率:0.01-5.0kv
(備注:滿足標(biāo)準(zhǔn)要求并可以根據(jù)用戶需求設(shè)定不同的升壓速率)
06、試驗(yàn)方式:
直流試驗(yàn):1、勻速升壓 2、梯度升壓 3、耐壓試驗(yàn)
交流試驗(yàn):1、勻速升壓 2、梯度升壓 3、耐壓試驗(yàn)
07、試驗(yàn)介質(zhì):空氣,試驗(yàn)油
08、安裝靈敏度較高的過(guò)電流保護(hù)裝置保證試樣擊穿時(shí)在0.05S內(nèi)切斷電源。
09、儀器配備*的故障報(bào)警系統(tǒng) 避免用戶操作故障儀器發(fā)生危險(xiǎn)。(上位機(jī)報(bào)警和下位機(jī)報(bào)警)
整機(jī)組成:
1、升壓部件:由調(diào)壓器和高壓變壓器組成0~50KV的升壓部分。
2、動(dòng)部件:由步進(jìn)電機(jī)均勻調(diào)節(jié)調(diào)壓器使加給高壓變壓器的電壓變化。
3、檢測(cè)部件:由集成電路組成的測(cè)量電路。通過(guò)信號(hào)線把檢測(cè)的模擬信號(hào)和開關(guān)信號(hào)傳給計(jì)算機(jī)。
4、計(jì)算機(jī)軟件:通過(guò)智能電路把由檢測(cè)設(shè)備采集的測(cè)控信號(hào)傳給計(jì)算機(jī)。計(jì)算機(jī)根據(jù)采集的信息控制設(shè)備運(yùn)行并處理試驗(yàn)結(jié)果。
5、試驗(yàn)電極:根據(jù)標(biāo)準(zhǔn)(1408.1-2006)隨設(shè)備提供三個(gè)電*體規(guī)格為:Ф25mm×25mm兩個(gè);Ф75mm×25mm一個(gè)。
標(biāo)簽:
電壓擊穿試驗(yàn)儀,
介電擊穿強(qiáng)度試驗(yàn)儀,
耐電壓擊穿測(cè)試儀,
工頻電壓擊穿測(cè)試儀,
電壓擊穿儀,
工頻介電擊穿強(qiáng)度測(cè)定儀,
工頻耐電壓擊穿試驗(yàn)機(jī),
電壓擊穿試驗(yàn)機(jī),
絕緣材料電氣強(qiáng)度測(cè)試儀,
擊穿強(qiáng)度試驗(yàn)儀,
電氣強(qiáng)度測(cè)試儀,
介電強(qiáng)度試驗(yàn)機(jī),
擊穿電壓試驗(yàn)機(jī),
電氣介電強(qiáng)度試驗(yàn)儀,
固體絕緣材料電氣強(qiáng)度試驗(yàn)儀,
硫化橡膠工頻擊穿電壓強(qiáng)度耐電壓擊穿測(cè)定儀,
耐電壓擊穿強(qiáng)度試驗(yàn)儀,
工頻耐擊穿電壓試驗(yàn)儀,
固體電絕緣材料工業(yè)電源頻率下的介電擊穿電壓和介電強(qiáng)度的試驗(yàn)儀,
橡膠塑料薄膜工頻電壓或直流電壓下?lián)舸?qiáng)度和耐電壓的測(cè)試儀器。
注意事項(xiàng):
●本儀器試驗(yàn)過(guò)程中如空氣相對(duì)濕度大于70%,兩電極間空氣放電的距離會(huì)增加很多,所以試驗(yàn)中請(qǐng)與儀器保持1.2米的距離。
●本儀器之控制計(jì)算機(jī)專為電壓擊穿試驗(yàn)機(jī)設(shè)計(jì),請(qǐng)勿隨意添加和刪除程序或移作它用。
●本公司保留對(duì)設(shè)備改進(jìn)的權(quán)利,并不另行通知用戶。
注意事項(xiàng):
1、介電擊穿強(qiáng)度試驗(yàn)儀安裝時(shí)應(yīng)具有獨(dú)立的接地線。
2、在開機(jī)前,操作者要首先熟悉操作方法。
3、儀器不能在有強(qiáng)烈腐蝕性氣體及有顆粒雜質(zhì)的氣體環(huán)境中使用。
4、試驗(yàn)環(huán)境溫度15度到25度之間,相對(duì)濕度60%到70%之間
5、試樣擊穿瞬間有火花產(chǎn)生并伴有聲響,屬正?,F(xiàn)象。
6、每次更換試樣或接觸高壓電極時(shí)必須用高壓放電棒對(duì)高壓電極進(jìn)行放電,放電時(shí)間5秒以上。
7、每次進(jìn)行試驗(yàn)前,必須檢查儀器接地。
注: 其它未盡事宜請(qǐng),我們將竭誠(chéng)為您服務(wù)。
配置
01 試驗(yàn)主機(jī) 一臺(tái)
02 高壓發(fā)生器 一套
03 試驗(yàn)電極 二套 (國(guó)標(biāo)1408.1)
04 試驗(yàn)油箱 一只
05 放電系統(tǒng) 一套
06 控制系統(tǒng) 一套
07 數(shù)據(jù)采集系統(tǒng) 一套
08 試驗(yàn)軟件 一套 光盤
09 計(jì)算機(jī) 一套 品牌 可選 PC/EPC
10 噴墨打印機(jī) 一臺(tái) 品牌
11 產(chǎn)品使用說(shuō)明書 一份
12 計(jì)量證書 一份
13 產(chǎn)品合格證 一份
14 電子穩(wěn)壓器 一臺(tái)
15 藍(lán)牙發(fā)射器 一支
16 藍(lán)牙接收器 一支
Voltage breakdown tester overview
Computer controlled by voltage breakdown testing instrument, through the man-machine dialogue mode, the completion of the power frequency voltage breakdown of dielectric material,power frequency withstand voltage test.
Suitable for solid insulation materials (such as: insulating paint, resin and rubber, impregnatedfiber products, laminated products, mica and its products, plastic, thin film composite products,such as ceramic and glass) in the breakdown voltage of power frequency voltage, breakdown strength and voltage withstand test.
Instruments of various kinds of data in experiment process fast, accuray acquisition,processing, display, printing, access.
Voltage breakdown tester to meet the standard:
GB1408-2006 GB/T1695-2005 GB/T3333 HG/T3330 /GB12656 /ASTM D149.
GB1408-2006 insulation electrical strength test of material
GB/T1695-2005 vulcanized rubber power frequency voltage breakdown strength and voltage resistance strength test
GB/T3333 cable paper power frequency voltage breakdown test
HG/T 3330 insulation paint film breakdown strength determination
GB12656 capacitor paper power frequency voltage breakdown test
ASTM D149 of solid electrical insulating materials at commercial power frequencies the dielectricbreakdown voltage and dielectric strength test
Voltage breakdown testing instrument equipment safety protection function:
The experiment was conducted in the experimental box, test box door is open source applied tohigh voltage transformer input end, no voltage is high pressure side. 100KV test equipment of high voltage electrode distance test box wall nearest distance is greater than 370mm, 50KV testequipment of high voltage electrode distance test box wall nearest distance is greater than 250mm, the test even when people contact the wall of the box will not be in danger.
The equipment to install a separate protective ground. Grounding protection ground, mainly is the strong electromagnetic interference to reduce the sample breakdown when the surrounding the. Also avoid control computer control.
The test circuit of the device is provided with a number of protective measures, mainly include:over current protection, voltage loss protection, leakage protection, short-circuit protection, DC test discharge alarm.
The DC discharge alarm function: in the equipment finished the DC test, when opening the doorwhen the test equipment will automatically alarm, discharge device discharge until useequipment after the alarm will be cancelled automatically. (Note: because the DC test and not put electricity danger to personal safety, can not directly get electrode, to remind the use of personnel in order to avoid personal injury) Adult discharge.
The experimental discharge device, with the host for the integration, improves the past with separate one puts pole function.
The software function:
01, the software platform: WINDOWS windows operating platform, intuitive interface, easy operation
02, curve display: during the experiment can dynamically display the test curve
03, data export: can the test results into EXCEL table
04, experimental report: can be artificially set the report name, and print the test report
05, test mode: can flexibly select for DC test and AC test according to the requirements of
06, test methods: you can choose the breakdown voltage, voltage withstand test, gradient testaccording to the requirements of
07, the parameter settings: you can test different ways according to different parameters and test methods flexibly set the required value
08, sample set: on the specimen parameters of different standard flexible settings
09, personnel management: set the username and password, different operators in differenttest, mutual influence
Selection criteria: 10, with different standards, can choose according to need
11, continuous operation: continuous operation test, can directly select the motor reset in software, carries on two times of test
Voltage breakdown tester technical indicators:
01, the input voltage: AC 220 V
02, the output voltage: AC 0--100 KV;
DC 0 - 100 KV
03, electrical capacity: 10KVA
04, high grade: 0-100KV
05, the rate of pressure rise: 0.01-5.0kv
(Note: to meet the standard requirement and can set different rates according to the user demand boost)
06, test methods:
DC test: 1, 2, 3 speed boost pressure gradient, pressure test
AC test: 1, 2, 3 speed boost pressure gradient, pressure test
07, the test medium: air, test oil
Over current protection device 08, the installation of high sensitivity to ensure the power supply is cut off in the 0.05S sample breakdown.
09, the instrument is equipped with advanced fault alarm system to avoid user fault instrument of danger. (the host computer and slave computer alarm alarm)
Voltage breakdown tester machine component:
1, the step-up component: a pressure regulator and high voltage transformer is composed of 0 ~ 50KV pressor part.
2, dynamic components: by stepping motor even regulator is adjusted make added to the voltage change of the high voltage transformer.
The 3 part: measurement, detection circuit is composed of integrated circuit. The detection of the analog signal and switch signal to the computer through the signal line.
4, computer software: the control signal by the detection equipment acquisition to the computerthrough the inligent circuit. According to the information collected by computer controlequipment operation and processing test results.
5, the test electrode: according to the national standard (1408.1-2006) provided with the equipment of three electrodes, specifications: diameter of 25mm * 25MM two; with 75mm * 25MMa.
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