一、电压击穿试验仪 生产厂家结构原理及性能特点

    ZJC-20KV主要由：升压系统(高压变压器)、测量系统、A/D转换器、放电系统、电极、油箱、电极定位架、计算机数据处理系统、软件等组成；高压变压器主要产生试样所需的直流电压，调压器用于调节升压变压器输入端电压以产生高压所需的输入电压，电压测量主要是从高压变压器测量端测量，高压变压器测量端和高压端是线性的；试验软件是我公司研发的功能强大、操作简单、显示直观的试验软件系统。采用计算机控制，过人机对话方式，完成对、绝缘介质的工频电压击穿，工频耐压试验。

二、电压击穿试验仪 生产厂家制造和检验标准

    1、GB1408.1-2006《绝缘材料电气强度试验方法》

    2、GB1408.2-2006《绝缘材料电气强度试验方法 

         第2部分：对应用直流电压试验的附加要求》

    3、JJG 795-2004 《耐电压测试仪检定规程》

三、适用的试验方法标准

    1、GB/T1695-2005《硫化橡胶工频击穿电压强度和耐电压的测定方法》

    2、GB/T3333《电缆纸工频击穿电压试验方法》

    3、GB12913-2008《电容器纸》

    4、ASTM D149《固体电绝缘材料工业电源频率下的介电击穿电压和介电强度的试验方法》

四、应用范围

       主要适用于固体绝缘材料如电线套管、树脂和胶、浸渍纤维制品、云母及其制品、塑料、薄膜复合制品、陶瓷和玻璃等介质在工频电压或直流电压下击穿强度和耐电压时间的测试；该仪器采用计算机控制，可对试验过程中的各种数据进行快速、准确的采集、处理，并可存取、显示、打印。

五、主要技术指标

输入电压： AC 220 V

输出电压： AC 0--20 kV ;

              DC 0--20 kV

电器容量： 2 KVA

高压分级： 0--5kV； 0-10kV；0--20kV；

击穿电压： 0-20kV

击穿电压升压速率共分七级（可选定）：

           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

升压方式：

          1、匀速升压 

          2、阶梯升压 

          3、耐压试验 

过电流保护装置：试样击穿时在0.1S内切断电源.

漏电电流选择：  1—30 mA.

耐压时间：      0-6H

六、安全说明：

    1、设备要安装单独的保护地线。接保护地线，主要是减少试样击穿时对周围产生的较强的电磁干扰。也可避免控制计算机失控。

    2、直流试验放电报警功能:在设备做完直流试验时,当开启试验门时设备会自动报警,直至使用设备上的放电装置放电后报警会自动取消.(注：因为直流试验后不放电会危险到人身安全,不能直接拿取电极,起到提醒使用人员放电以免造成伤害)。

    3、试验放电装置，随主机为一体化，改进了以往单独配备一根放电杆的功能。

    4、该试验设备的电路设有多项保护措施，主要有：过流保护、失压保护、漏电保护、短路保护、直流试验放电报警等。

    5、九级安全防护措施：

                       ①超压保护

                       ②试验过流保护

                       ③调压器复位开关

                       ④试验箱门安全开关

                       ⑤自动放电保护

                       ⑥漏电保护开关

                       ⑦试验短路保护

                       ⑧独立接地保护

                       ⑨安全防护网保护

七、计算机系统及软件包

    1、试验过程中可动态绘制出试验曲线，试验的曲线可以多种颜色叠加对比，局部放大，曲线上任意一段可进行区域放大分析；

    2、可对试验数据进行编辑修改，灵活适用；

    3、试验条件及测试结果等数据可自动存储；

    4、试验报告格式灵活可变，适用于不同用户的不同需求；

    5、可对一组试验中曲线数据的有效与否进行人为选定；

    6、试验结果数据可导入EXECL,WORD文档编辑；

    7、软件设备人员管理功能，试验人员可设置自己的试验项目和试验参数，设置自己的试验内容后别人无法进入程序；

    8、过电流保护装置有足够的灵敏度，能够保证试样击穿时在0.1S内切断电源；

9、仪器运行的持久性: 仪器可连续运行使用，不需为保护仪器而定期停机。

电压击穿试验仪 英文简介

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.