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Detection and testing of lightning arresters! The function of lightning arrester: When lightning overvoltage invades the substation or other buildings along the...
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AC lightning arrester (10kV-35kV) detectionHow to apply for a report? What items need to be tested? We will conduct testing and evaluation in strict accordance with the standards. We can also provide personalized testing plans and reports according to your needs.
Detection and testing of lightning arresters! The function of lightning arrester: When lightning overvoltage invades the substation or other buildings along the overhead line, it will cause flashover and even break down the insulation of electrical equipment. Therefore, if a protective device, namely a lightning arrester, is connected in parallel at the power input terminal of electrical equipment, when the overvoltage value reaches the specified operating voltage, the lightning arrester will immediately act, flow charges, limit the overvoltage amplitude, and protect the insulation of the equipment; After the voltage value is normal, the lightning arrester quickly returns to its original state to ensure the normal power supply of the system p> The prerequisite for the protective effect of a lightning arrester is:1. The characteristics match well with the characteristics of the protected insulation
2. Ensure that its residual voltage is lower than the impact electrical strength of the protected insulation
3. The protected equipment must be within the protection range of the lightning arrester
Parameters of the lightning arrester:1. Continuous operating voltage: voltage that allows long-term operation p> 2. Rated voltage (kV): The maximum power frequency voltage allowed for short time. The lightning arrester can discharge and extinguish the arc at this power frequency voltage, but it cannot operate for a long time at this voltage p> 3. Power frequency withstand voltage second characteristic: indicates the ability of zinc oxide lightning arrester to withstand overvoltage under specified conditions p> 4. Nominal discharge current (kA): The peak discharge current of the lightning arrester level 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;
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