AC/DC voltage breakdown strength tester

Computer controlled plastic film voltage breakdown tester bdjc-100kv

1、 Overview of Plastic Film Voltage Breakdown TesterAC/DC voltage breakdown strength tester

The breakdown voltage tester is controlled by a computer and is a self-developed dielectric breakdown detection instrument by our company. The electronic control system of the dielectric breakdown strength tester is controlled by Siemens PLC, and the data acquisition method is through photoelectric pigeon, effectively solving the anti-interference problem during the test process. The software operation is convenient and can display dynamic curves in real time. At the same time, the boost rate can be infinitely adjusted according to one's own needs, with a range of 10v-5000v/s, which is in a leading position in China (the domestic manufacturer that can achieve this function), making the boost rate precise and accurate, and can accurately measure the data of leakage current. The dielectric breakdown strength tester can draw real-time test curves, display test data, make accurate judgments, and can save, analyze, and print test data.

2、 Software functions of plastic film voltage breakdown tester:

01. Software platform: Windows window operation platform, intuitive interface, easy to operate

02. Curve display: During the experiment, the test curve can be dynamically displayed

03. Data export: The experimental results can be imported into an Excel spreadsheet

04. Experimental report: The report name can be manually set and the experimental report can be printed

05. Test method: Flexible selection of DC and AC tests can be made according to requirements

06. Test method: You can choose breakdown voltage, withstand voltage test, and gradient test according to your needs

07. Parameter setting: Different parameter values can be flexibly set according to different experimental methods and techniques

08. Sample setting: Flexible setting of sample parameters for different standards

09. Personnel management: Set usernames and passwords, and allow different operators to log in for different experiments without affecting each other

10. Standard selection: Contains different standards, can be chosen according to needs

11. Continuous operation: During the continuous operation test, the test can be ended directly in the software and a second test can be conducted

4、 Plastic film voltage breakdown tester Anquan description:

1. The equipment needs to be equipped with a separate protective grounding wire, mainly to reduce the strong electromagnetic interference generated by the sample breakdown on the surrounding area. It can also prevent the computer from losing control.AC/DC voltage breakdown strength tester

2. DC test discharge surge function: After the equipment completes the DC test, when the test door is opened, the equipment will automatically surge until the discharge device on the equipment is used to discharge, and the surge will be automatically cancelled (Note: Not discharging electricity after DC testing can be dangerous to human health.),

Do not directly take the motor to remind the user to discharge to avoid personal injury during the process.

3. Add a manual discharge device for testing, which is integrated with the main unit. In case of sudden power failure during the DC test, a manual discharge rod can be used for discharge, ensuring the safety of the testing personnel.

4. The circuit of the experimental equipment is equipped with multiple protection measures, mainly including overcurrent protection, voltage loss protection, leakage protection, short circuit protection, DC test discharge protection, etc.

5、 Technical requirements for plastic film voltage breakdown tester:

01. Input voltage: AC 220V

02. Output voltage: AC 0-50 kV

DC 0-70 kV

03. Electrical capacity: 5kva

04. High voltage classification: 0-5kv; 0-10kv; 0-20kv

05. Boosting rate: 100v/s, 200v/s, 500v/s, 1000v/s, 2500v/s, 3000v/s

06. Test method:

DC test: 1. Breakdown test 2. Gradient boost test 3. Voltage withstand test

Communication test: 1. Breakdown test 2. Gradient boost test 3. Voltage withstand test

07. Breakdown judgment stop method: 1. Voltage judgment stop 2. Current judgment stop

08. Voltage test accuracy: ≤ 1%

09. Motor specifications: Two pieces of ￠ 25mm, one piece of ￠ 75mm

10. Host size: L/W/H -800 * 700 * 1600 (mm)

11. Console dimensions: L/W/H -800 * 700 * 650 (mm)

12. Protective cover material: Organic glass

13. Equipment weight: approximately 100kg

6、 Product configuration of plastic film voltage breakdown tester

1 host, one unit

One 2 ￠ 75mm test motor

Two 3 ￠ 25mm test motors

4 sets of experimental software

A set of 5 branded computers

6 printers per unit

7 sets of random files

8 sets of random wires

7、 Anquan Protection:

The breakdown voltage tester has relatively complete saddle spring protection measures:

1. Threshold protection: If the door is not closed, even if the experiment starts at the power point, the device will not respond, and the software will prompt that the Anquan door is not closed.

2. Voltage zeroing protection: If there is a sudden power outage during the experiment, it will automatically return to zero position after the next power on, and the initial voltage of the battery will be at zero position

3. Termination voltage protection: The termination voltage can be set through software. If there is an abnormal rise to the voltage indicated during the boosting process, the voltage will automatically terminate and return to zero

4. High voltage mechanical limit: If the software system loses control, the voltage continues to rise and automatically returns to zero after reaching the high voltage limit

5. If the fault is not stopped after breakdown, the positive voltage will automatically reset to zero by collecting data through the overcurrent protector

6. There is a high voltage indicator light, and by observing the status of the indicator light, it can be determined whether the actual boost is at zero position or not

7. If the experiment is conducted for a long time, in order to ensure the good operation of the transformer, the equipment should have a transformer exhaust port,

Increase service life

8. If there is any odor or burning or smoking phenomenon in the sample during the experiment, it can be eliminated through the exhaust system.

9. Reading slang grounding protection

10. Short circuit protection

11. Software misoperation protection

12. Leakage protection

13. End of experiment discharge protection

8、 After sales management:

Our company implements computerized management, implements a regular telephone follow-up system for customers, regularly reviews the working condition of equipment, provides regular telephone guidance to users on equipment maintenance and testing to ensure normal operation, tracks customer equipment usage, and enables timely maintenance of equipment

1. The equipment is covered by a two-year warranty with lifetime service. Parts that are not damaged by human factors will be replaced within two years. Upon receiving an invitation from the user during the warranty period, the response time will be within 2 hours. After confirming the fault with the user, our company will send engineers to the site for service within 48 hours to quickly identify the location and cause of the fault, and report the cause and troubleshooting methods to the user in a timely manner.

2. During the warranty period, parts damaged by human factors will be replaced at the purchase (processing) price.

3. Continue to provide technical services for users beyond the warranty period, and dispatch engineers to the user's site for repairs within 3 days after receiving the user's repair invitation. And enjoy preferential treatment for purchasing spare parts.

4. Overloading of sensors and damage to the overall circuit caused by overvoltage are not covered by the warranty.

Meet the standards:

gb1408-2006 gb/t1695-2005 gb/t3333 hg/t3330 /gb12656 /astm d149 .

GB1408-2006 Electrical Strength Test for Insulation Materials

GB/T1695-2005 Vulcanized Rubber Power Frequency Voltage Breakdown Strength and Voltage Endurance Strength Test

GB/T3333 Cable paper power frequency voltage breakdown test

Determination of breakdown strength of HG/T 3330 insulation paint film

GB12656 capacitor paper power frequency voltage breakdown test

Dielectric breakdown voltage and dielectric strength test of ASTM D149 solid electrical insulation material at industrial power frequency

The voltage breakdown tester is controlled by a computer and completed through our company's independently developed Quanshen intelligent digital integrated circuit system and software control system, achieving a uniform and accurate boost rate and accurately measuring leakage current data.

Real time dynamic drawing of experimental curves, display of experimental data, accurate judgment, and the ability to save, analyze, modify, and print.

When using a voltage breakdown tester/dielectric strength tester (withstand voltage tester) to test the breakdown strength of vulcanized rubber or other insulation materials, it is necessary to strictly follow the Anquan specifications and ensure the accuracy of the test results. The following is a detailed explanation of key precautions:

1、 Anquan protective measures

1. High voltage hazard protection

Operator Bi must receive training on high-voltage equipment and be familiar with the emergency stop button and power-off process of the equipment.

Set up warning signs (such as "High Voltage Danger") in the testing area and prohibit unrelated personnel from approaching.

The equipment must be reliably grounded (grounding resistance ≤ 4 Ω) to avoid leakage or static electricity accumulation.

2. Protective devices

Ensure that the testing instrument is equipped with a saddle spring interlock device (such as automatic power-off when the protective cover is not closed).

Use insulated operating tools (such as high-voltage insulated gloves, insulated pads) to assist in the operation.

3. Personal protective equipment (PPE)

Wear insulated gloves, goggles, and avoid electric arcs or flying debris injuries.

2、 Equipment setup and calibration

1. Voltage parameter setting

Boosting rate: Select the appropriate rate (usually 500 v/s or 100 v/s) according to the standard (such as astm d149).

Initial voltage: Gradually increase the voltage from 0 to avoid momentary high voltage impact on the sample.

2. Motor selection and installation

Use standard motors (such as spherical or cylindrical motors, in accordance with IEC 60243 requirements).

Ensure that the surface of the motor is smooth, clean, and free of oxidation or stains (can be wiped with a cleaning tool).

3. Calibration and Verification

Regularly calibrate equipment (voltmeter and ammeter accuracy must meet standard requirements).

Verify the accuracy of the equipment using standard samples with known breakdown voltage.

3、 Sample processing and testing conditions

1. Sample preparation

The sample thickness is uniform (usually 1-3 mm), without bubbles, impurities, or mechanical damage.

Clean and dry the surface (avoid hand sweat, dust, or grease contamination).

2. Environmental control

Temperature: 23 ± 2 ℃, humidity: 50 ± 5% RH (according to standard requirements).

Avoid electromagnetic interference (stay away from high-power equipment or high-frequency signal sources).

3. Sample fixation and contact

Ensure that the sample is in close contact with the motor to avoid partial discharge caused by air gaps.

A slight pressure (such as 1 n) can be applied to the soft rubber sample for proper bonding.

4、 Test process operation specifications

1. Gradually increase the voltage

Slowly increase the voltage to avoid misjudging the breakdown point due to sudden voltage changes.

Real time monitoring of current (sudden increase in current at breakdown moment).

2. Breakdown determination

Breakdown standard: If the current exceeds the set threshold (such as 5 mA) or the sample undergoes carbonization or perforation.

The same sample should be tested at least 3 times at different locations, and the average value should be taken (excluding outliers).

3. Data recording

Record the breakdown voltage, sample thickness, environmental conditions, and breakdown mode (such as surface discharge or through breakdown).

5、 Post test processing and maintenance

1. Release of residual charge

2. Differences in functional design

Comparison item: Dielectric strength tester, breakdown voltage tester

The output result automatically calculates the dielectric strength (breakdown voltage/thickness) and usually directly displays the breakdown voltage value

Thickness requirements require measurement of sample thickness (affecting results) and non whisker parameters (soaking records of raw data)

Performance comparison of insulation materials in application scenarios (such as thin films and rubber) and saddle spring testing of high-voltage equipment (such as cables and sleeves)

Additional functions may integrate dielectric constant testing modules with a focus on overcurrent protection and arc detection

3. Overlap in actual use

Instrument hardware: Both usually use the same high-voltage generator, motor system, and saddle spring protection design.

Testing principle: Both methods gradually increase the voltage until the sample breaks down, and the difference mainly lies in the data processing method (whether it is divided by the thickness).

Industry habits:

In the power industry, it is commonly referred to as a "breakdown voltage tester" (such as transformer oil testing).

In the field of material research and development, it is commonly referred to as a "dielectric strength tester" (such as plastic and rubber).

4. Suggestions for selection

If intrinsic properties of the material are required: choose a dielectric strength tester whose results are independent of thickness for easy horizontal comparison.

If Anquan threshold verification is required: choose a breakdown voltage tester (directly obtain the actual withstand voltage).

Note: Some modern instruments can output two types of data simultaneously (such as the bdjc series from Beiguang Jingyi Instrument Equipment Co., Ltd.), and the mode needs to be switched through software settings.