GB 12656-90 Capacitor paper power frequency breakdown voltage measurement method
HJC-50kV dielectric breakdown tester
Product Name: Dielectric breakdown tester
Product model: HJC-50kV
Main technical requirements of dielectric strength tester:
Input voltage: AC 220 V
Output voltage: AC 0ï¼ï¼50 kV;
DC 0ï¼ï¼50 kV
Electrical capacity: 2 KVA
High voltage classification: 0ï¼ï¼50kV (full range without division)
Breakdown voltage: 0-50kV
The breakdown voltage boost rate is divided into seven levels (optional):
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
Voltage measurement accuracy (10% ~ 100% FS): ≤ 2%
Test voltage: 0-50 kV continuously adjustable Test method: DC test, AC test
Boosting method: 1. Uniform speed boosting 2. Step boosting 3. Pressure test
Overcurrent protection device: cut off the power within 0.1S when the sample breaks down.
Leakage current selection: 1-30 mA.
The main purpose and function of dielectric breakdown tester meets GB1408-2006 insulation material electrical strength test method, GB / T1695-2005 vulcanized rubber power frequency voltage breakdown strength and withstand voltage strength test GB / T3333 electric paper power frequency voltage breakdown test Method HG / T 3330 insulating film paint film breakdown strength determination method GB12656 capacitor paper power frequency voltage breakdown test method and ASTM D149 standard requirements.
Dielectric breakdown tester is mainly applicable to the dielectric strength of solid insulating materials such as cardboard, plastic, film, rubber, resin, mica, ceramics, glass, insulating paint and various insulating materials under power frequency voltage or DC voltage And the test of withstand voltage time.
Software program control function of dielectric breakdown tester:
1. During the test of the equipment, the test curve can be drawn dynamically. The test curve can be superimposed and contrasted in multiple colors, locally enlarged, and any section on the curve can be analyzed for regional amplification.
2. The test data can be edited and modified for flexible application;
3. Data such as test conditions and test results can be automatically stored;
4. The test report format is flexible and adaptable to different requirements of different users.
5. The validity of the curve data in a set of experiments can be selected manually.
6. The test result data can be imported into EXECL.
7. Software equipment personnel management function, in which test personnel can set their own test items and test parameters, after setting their own test content, others can not enter and other functions.
Equipment security protection function:
â—† The equipment should be installed with a separate protective ground wire. Connecting the protective ground wire is mainly to reduce the strong electromagnetic interference to the surrounding when the sample breaks down. It can also prevent the control computer from getting out of control.
â—† The circuit of the test equipment is equipped with multiple protection measures, mainly including: overcurrent protection, voltage loss protection, leakage protection, short circuit protection, DC test discharge alarm, etc.
â—† DC test discharge alarm function: When the device is done DC test, the device will automatically alarm when the test door is opened, and the alarm will be automatically canceled until the discharge device on the device is used to discharge. (Note: It will be dangerous if not discharged after the DC test When it comes to personal safety, the electrode cannot be directly taken to remind the user to discharge to avoid personal injury).
â—† The test discharge device is integrated with the host, which improves the function of a single discharge rod in the past.
â—† Six-level high-voltage safe power-off control:
â‘ General power switch â‘¡High-voltage power-off switch (key switch)
③Reset switch of the voltage regulator ④Safety switch of the test box door ⑤Current-limiting open circuit on the input side of the high-voltage transformer ⑥Leakage protection switch
The main configuration of the dielectric strength tester equipment is a host and a test device.
A set of control system
A set of data acquisition system Two electrodes for experiment ï¿ 25mm, one for ï¿ 75mm, one set for test oil tank, one set for discharge rod, one set for test software, one set for brand computer, one set for printer
One instruction manual
Model specifications can be divided into:
HJC-10kV dielectric breakdown strength tester
HJC-20kV dielectric breakdown strength tester
HJC-50kV dielectric breakdown strength tester
HJC-100kV dielectric breakdown strength tester
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