IEC Edition INTERNATIONAL. STANDARD. Surge arresters –. Part 5: Selection and application recommendations. INTERNATIONAL. IEC is not a mandatory standard but provides information, guidance, and recommendations for the selection and application of. 5. Voltages limited by arresters. Arrester power frequency witstand voltage. Resulting . An allowance of at least 5% (IEC ) is recommended. With this.
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Surge arresters – Part 5: Selection and application recommendations
What is a standard? Preview Abstract IEC Shopping cart Close cart 0, foreach: This third edition cancels and replaces the second edition published in Surge arrester residual voltage is a major parameter to which most users have paid a lot of attention to when selecting the type and rating.
This edition includes the following significant technical changes with respect to the previous edition regarding the new surge arrester classification introduced in IEC Typical maximum residual voltages are given in Annex F.
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The user of surge arresters will, in that case, not be required to apply the whole process introduced here to any new installation and the 600099 of characteristics resulting from prior practice may be continued.
Annexes H and I idc comparisons and calculations between old line discharge classification and new charge classification. TC 37 – Surge arresters rss. Related publications IEC Subscribe on standards – Read more. The following test report forms are related: We accept all major credit cards American Express, Mastercard and VisaPayPal and bank transfers as form of payment.
The standard is now in your shopping cart. Report error on page. It is likely, however, that for some systems, or in some countries, the requirements on system reliability and design are sufficiently uniform, so that the recommendations of the present standard 55 lead to the definition of narrow ranges of arresters.
This edition constitutes a technical revision. Surge protective devices connected to telecommunications and signalling networks – Performance requirements and testing methods. Sustainable Development Goals and standardisation, how do they connect? Your shopping cart is empty. Selection and application recommendations Status: Selection and application recommendations Article no: Do you need a multi-user copy?
Fuses and other overcurrent protection devices Substations, surge arresters.
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It applies to gapless metal-oxide surge arresters as defined in IECto surge arresters containing both series and parallel gapped structure — rated 52 kV and less as defined in IEC and metal-oxide surge arresters with external series gap for overhead transmission and distribution lines EGLA as defined 55 IEC Subscribe on standards with our subscription service. Selection and application recommendations. In Annex J, some aspects regarding the old type of SiC gapped arresters are discussed.
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