一、電壓擊穿試驗(yàn)儀 生產(chǎn)廠家結(jié)構(gòu)原理及性能特點(diǎn)
ZJC-20KV主要由：升壓系統(tǒng)(高壓變壓器)、測(cè)量系統(tǒng)、A/D轉(zhuǎn)換器、放電系統(tǒng)、電極、油箱、電極定位架、計(jì)算機(jī)數(shù)據(jù)處理系統(tǒng)、軟件等組成；高壓變壓器主要產(chǎn)生試樣所需的直流電壓，調(diào)壓器用于調(diào)節(jié)升壓變壓器輸入端電壓以產(chǎn)生高壓所需的輸入電壓，電壓測(cè)量主要是從高壓變壓器測(cè)量端測(cè)量，高壓變壓器測(cè)量端和高壓端是線性的；試驗(yàn)軟件是我公司研發(fā)的功能強(qiáng)大、操作簡(jiǎn)單、顯示直觀的試驗(yàn)軟件系統(tǒng)。采用計(jì)算機(jī)控制，過(guò)人機(jī)對(duì)話方式，完成對(duì)、絕緣介質(zhì)的工頻電壓擊穿，工頻耐壓試驗(yàn)。
二、電壓擊穿試驗(yàn)儀 生產(chǎn)廠家制造和檢驗(yàn)標(biāo)準(zhǔn)
1、GB1408.1-2006《絕緣材料電氣強(qiáng)度試驗(yàn)方法》
2、GB1408.2-2006《絕緣材料電氣強(qiáng)度試驗(yàn)方法
第2部分：對(duì)應(yīng)用直流電壓試驗(yàn)的附加要求》
3、JJG 795-2004 《耐電壓測(cè)試儀檢定規(guī)程》
三、適用的試驗(yàn)方法標(biāo)準(zhǔn)
1、GB/T1695-2005《硫化橡膠工頻擊穿電壓強(qiáng)度和耐電壓的測(cè)定方法》
2、GB/T3333《電纜紙工頻擊穿電壓試驗(yàn)方法》
3、GB12913-2008《電容器紙》
4、ASTM D149《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)方法》
四、應(yīng)用范圍
主要適用于固體絕緣材料如電線套管、樹(shù)脂和膠、浸漬纖維制品、云母及其制品、塑料、薄膜復(fù)合制品、陶瓷和玻璃等介質(zhì)在工頻電壓或直流電壓下?lián)舸?qiáng)度和耐電壓時(shí)間的測(cè)試；該儀器采用計(jì)算機(jī)控制，可對(duì)試驗(yàn)過(guò)程中的各種數(shù)據(jù)進(jìn)行快速、準(zhǔn)確的采集、處理，并可存取、顯示、打印。
五、主要技術(shù)指標(biāo)
輸入電壓： AC 220 V
輸出電壓： AC 0--20 kV ;
DC 0--20 kV
電器容量： 2 KVA
高壓分級(jí)： 0--5kV； 0-10kV；0--20kV；
擊穿電壓： 0-20kV
擊穿電壓升壓速率共分七級(jí)（可選定）：
A、0.1 kV/s
B、0.2 kV/s
C、0.3 kV/s
D、0.5 kV/s
E、1.0 kV/s
F、2.0 kV/s
G、3.0 kV/s
升壓方式：
1、勻速升壓
2、階梯升壓
3、耐壓試驗(yàn)
過(guò)電流保護(hù)裝置：試樣擊穿時(shí)在0.1S內(nèi)切斷電源.
漏電電流選擇： 1—30 mA.
耐壓時(shí)間： 0-6H
六、安全說(shuō)明：
1、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。
2、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(kāi)啟試驗(yàn)門(mén)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傷害)。
3、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。
4、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。
5、九級(jí)安全防護(hù)措施：
①超壓保護(hù)
②試驗(yàn)過(guò)流保護(hù)
③調(diào)壓器復(fù)位開(kāi)關(guān)
④試驗(yàn)箱門(mén)安全開(kāi)關(guān)
⑤自動(dòng)放電保護(hù)
⑥漏電保護(hù)開(kāi)關(guān)
⑦試驗(yàn)短路保護(hù)
⑧獨(dú)立接地保護(hù)
⑨安全防護(hù)網(wǎng)保護(hù)
七、計(jì)算機(jī)系統(tǒng)及軟件包
1、試驗(yàn)過(guò)程中可動(dòng)態(tài)繪制出試驗(yàn)曲線，試驗(yàn)的曲線可以多種顏色疊加對(duì)比，局部放大，曲線上任意一段可進(jìn)行區(qū)域放大分析；
2、可對(duì)試驗(yàn)數(shù)據(jù)進(jìn)行編輯修改，靈活適用；
3、試驗(yàn)條件及測(cè)試結(jié)果等數(shù)據(jù)可自動(dòng)存儲(chǔ)；
4、試驗(yàn)報(bào)告格式靈活可變，適用于不同用戶的不同需求；
5、可對(duì)一組試驗(yàn)中曲線數(shù)據(jù)的有效與否進(jìn)行人為選定；
6、試驗(yàn)結(jié)果數(shù)據(jù)可導(dǎo)入EXECL,WORD文檔編輯；
7、軟件設(shè)備人員管理功能，試驗(yàn)人員可設(shè)置自己的試驗(yàn)項(xiàng)目和試驗(yàn)參數(shù)，設(shè)置自己的試驗(yàn)內(nèi)容后別人無(wú)法進(jìn)入程序；
8、過(guò)電流保護(hù)裝置有足夠的靈敏度，能夠保證試樣擊穿時(shí)在0.1S內(nèi)切斷電源；
9、儀器運(yùn)行的持久性: 儀器可連續(xù)運(yùn)行使用，不需為保護(hù)儀器而定期停機(jī)。
電壓擊穿試驗(yàn)儀 英文簡(jiǎn)介
Structure principle and performance characteristics
ZJC-20KV mainly by: boost (high voltage transformer) system, measurement system, a / D converter, discharge system, electrode, fuel tank, electrode positioning frame and computer data processing software system, and composition; high voltage transformer mainly produce the specimen required DC voltage, voltage regulator for regulating the input ends of the booster transformer voltage to generate high voltage input voltage, voltage measurement is mainly from the high voltage transformer measurement terminal measurement, high voltage transformer measurement end and high end is linear; software test is our latest development of powerful, simple operation, display visual test software system. Using computer control, man-machine dialogue mode, the completion of the power frequency voltage breakdown of insulation media, power frequency withstand voltage test.
Two, manufacturing and inspection standards
1, "GB1408.1-2006 insulated electrical strength of materials testing method"
2, "GB1408.2-2006 electrical strength of insulating materials test methods
Part second: Additional requirements for tests using direct voltage "
, 3 JJG 795-2004 "verification regulation for withstanding voltage tester"
Three, applicable test method standards
1, "GB/T1695-2005 vulcanized rubber breakdown strength and voltage resistance determination method"
2, GB/T3333 "cable paper breakdown voltage test method"
, 3 "GB12913-2008" paper capacitor
, ASTM D149 4 "test method of solid electrical insulating materials industrial power frequency of dielectric breakdown voltage and dielectric strength"
Four, the scope of application
Mainly applicable to solid insulation materials such as wire casing, resin and rubber, impregnated fiber products, mica and its products, plastics, composite film products, ceramics and glass medium in the frequency of the voltage or DC voltage breakdown strength and resistance to time voltage test; the device is controlled by computer, all the test data of rapid and accurate acquisition, processing, and access, display, print.
Five, the main technical indicators
Input voltage: AC 220 V
Output voltage: AC kV 020;
DC 0 - 20 kV
Electrical capacity: 2 KVA
High grade: 05kV; 0-10kV; 020kV;
Breakdown voltage: 0-20kV
Breakdown voltage boost rate is divided into seven levels (can be selected):
A, 0.1 kV/s
B, 0.2 kV/s
C, 0.3 kV/s
D, 0.5 kV/s
E, 1 kV/s
F, 2 kV/s
G, 3 kV/s
Boost mode:
1, speed boost
2 step-up voltage
3, pressure test
Over current protection device: when the sample breakdown in the 0.1S cut off the power.
Leakage current: 1 - 30 mA.
Pressure time: 0-6H
Six, safety instructions:
1, equipment to install a separate protective ground. The protective earth wire is mainly to reduce the strong electromagnetic interference generated by the breakdown of the sample. Can also avoid the control of computer control.
2, DC discharge test alarm function: when we finish DC test equipment. When opening the door test equipment will automatically alarm until after using the device discharge discharge device alarm will automatically be cancelled. (Note: because the DC test on it would be dangerous to personal safety, can not be directly fetching electrode to remind users discharge so as not to cause harm).
3, test discharge device, with the host for the integration, improved in the past with separate a discharge pole function.
4, the test equipment of the circuit with several kinds of protective measures, mainly has: over-current protection, loss of voltage protection, leakage protection, short-circuit protection, DC discharge test alarm.
5, nine level of safety protection measures:
1 overpressure protection
II test overcurrent protection
Third regulator reset switch
4 test box door safety switch
Automatic discharge protection
6 leakage protection switch
, short-circuit protection test
8 independent grounding protection
9 safety net protection
Seven, computer systems and software package
1, test process can be dynamic draw the test curve and test curves can be a variety of color overlay contrast, local amplification curve of arbitrary section can be of regional amplification analysis.
2, edited test data, flexible application;
3, test conditions and test results and other data can be automatically stored;
4, test report format is flexible, suitable for different needs of different users;
, 5 of a group of test curve data is effective or not artificially selected;
6, the test results data can be imported into EXECL, WORD document editing;
7, personnel management functions of equipment software, test personnel can set their own test project and test parameters, set up their own test content after others can not enter the program.
8, overcurrent protection device has enough sensitivity, can cut off the power supply in the 0.1S to ensure the sample breakdown;
9, the persistence of the operation of the instrument: the instrument can be used continuously, without the need for the protection of equipment and regular downtime.
