IEC 60099-5 is a standard published by the International Electrotechnical Commission (IEC) that deals with surge arresters. Specifically, it covers the requirements for surge arresters used in electrical power systems to protect against overvoltages caused by lightning or switching operations.
The standard provides a technical framework for several vital areas: iec 600995 pdf link
Official copies of the standard are protected by copyright and typically require a purchase. The most current version is Edition 3.0 (2018) IEC Webstore Official IEC Webstore IEC 60099-5:2018 (Available in PDF and Redline versions). ANSI Webstore IEC 60099-5 Ed. 3.0 en:2018 (Electronic Adobe Acrobat PDF format). Standards iTeh IEC 60099-5:2018 Catalogue (Includes a free PDF preview VDE Verlag IEC 60099-5 Preview PDF (Free technical preview of the contents). iTeh Standards Key Features of the 2018 Edition Technical Revision IEC 60099-5 is a standard published by the
: Includes new annexes (Annex H and I) for calculating arrester cumulative charges and energies during line switching. Application Guidance The most current version is Edition 3
: Provides detailed comparisons between old "line discharge classes" and the newer "charge classification" system.
The IEC 60099-5 standard is available for download in PDF format from the IEC website or other authorized sources. To access the PDF link, follow these steps:
Ensure the arrester can handle the Temporary Overvoltage (TOV) of your specific grid.