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 &Nbsp; 1. The meaning of high voltage testHigh voltage electrical test equipment refers to the continuous or intermittent testing of the operating performa...
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 &Nbsp; 1. The meaning of high voltage test
High voltage electrical test equipment refers to the continuous or intermittent testing of the operating performance of power equipment using corresponding means. The information obtained from the test is analyzed in conjunction with the specified operating standards of electrical equipment, and hidden equipment hazards are identified and timely measures are taken to eliminate them, in order to prevent potential problems and ensure the long-term stable operation of the power grid p>
2. Process of high-voltage test equipment testing
Step 1: Select a matching power supply suitable for the test equipment and a configuration that meets the requirements of software system operation p> Step 2: Initialize measurement parameters and record various types of data p> Step 3: Diagnose potential faults of equipment based on data information and estimate fault trends p> Step 4: Evaluate the health status of the testing equipment p> Step 5: Develop preliminary test results p> Step 6: Determine the main indicators and factors that affect equipment operation p>
3. Common high-voltage tests and methods for high-voltage testing equipment
Based on the properties of the power supply used, common types of high-voltage tests include DC withstand voltage test, AC withstand voltage test, high-frequency oscillation withstand voltage test, and leakage current:
1) DC withstand voltage test
DC withstand voltage test is destructive, and electrical equipment may be affected by it. In order to detect the voltage peak that the equipment can withstand, the test voltage is very high. This helps to timely detect electrical equipment with local insulation defects, intercept equipment with poor insulation performance in the power system, and ensure stable operation of the power grid p>
2) AC withstand voltage test
This is a direct and effective method for detecting the insulation strength of equipment, and is an important part of preventive testing, which can detect concentrated and serious problems in the equipment as soon as possible.
. AC withstand voltage test is not only an important means to avoid insulation accidents, but also a guarantee of the insulation level of electrical equipment, which determines the possibility of equipment operation p>3) High frequency oscillation wave withstand voltage test
High frequency oscillation wave withstand voltage test has a good effect on discovering mechanical damage and water tree type insulation defects.
. The requirement for power capacity at the experimental site is relatively small, and it is generally used for on-site testing and regular preventive testing after laying high-voltage polymer insulated power cables p>4) Leakage current test
Leakage current test is a method of determining the insulation status of equipment by measuring the leakage current value between the insulation of equipment using DC voltage and ground, based on data.
. This method cannot judge insulation performance solely based on the magnitude of the values obtained, as they are related to various factors p>1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problems1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is required1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China1、Project bidding: issue authoritative third-party CMA/CNAS qualification report;
2、E-commerce platform entry: quality inspection reports recognized by major e-commerce platforms;
3、Used as sales report: issuing a test report with legal effect to make consumers feel more at ease;
4、Papers and scientific research: providing professional and personalized testing needs;
5、Judicial services: providing scientific, fair and accurate testing data;
6、Industrial problem diagnosis: verifying the troubleshooting and correction of problems in industrial production;
Testing process
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