: Utility engineers, protection and insulation coordination specialists, and substation designers. iTeh Standards between the 2013 and 2018 editions? IEC 60099-5:2018
Engineers must follow a structured workflow to correctly size a high-voltage surge arrester according to network conditions: Determine Continuous Operating Voltage ( Uccap U sub c
The standard provides a technical framework for several vital areas:
You can verify the latest edition on the IEC website. iec 600995 pdf link
Surge arresters – Part 5: Selection and application recommendations Current Edition: 3.0 (2018)
The standard is named Surge arresters – Part 5: Selection and application recommendations . It is published by the International Electrotechnical Commission (IEC) . The standard applies to three-phase power systems. These systems operate at voltages above 1 kV .
provides comprehensive guidance for selecting and applying surge arresters in three-phase systems with nominal voltages above 1 kV. Core Content of IEC 60099-5 Surge arresters – Part 5: Selection and application
The standard IEC 60099-5 provides guidelines for the design, testing, and application of surge arresters, including:
The technical guidelines can be officially accessed through the IEC 60099-5 Official Publication Page or previewed via the iTeh Standards Sample Document Link . What is IEC 60099-5?
| Source | Best For | Action | | :--- | :--- | :--- | | | Accessing the definitive, most current version of the standard. | Visit the IEC Webstore | | National Standards Bodies | Purchasing a localized version (e.g., BS EN IEC 60099-5 in the UK, CEI EN IEC 60099-5 in Italy). | Search your country's national standards organization website. | | Commercial Platforms (e.g., Techstreet, ANSI) | Comparing prices and package options (e.g., PDF + print) from various resellers. | Use your preferred search engine to find authorized resellers. | | Affiliate Programme Access | Accessing the standard for free through a participating national committee for standards development work. | Check eligibility on the IEC Affiliate Programme page . | | Standards Info Points | Viewing (not downloading) the standard for free at a designated physical or online library, typically associated with universities and research institutions. | Contact your local university or major public library's reference desk. | These systems operate at voltages above 1 kV
The 2018 edition (the current active version) is highly detailed, covering modern surge protection technology. It applies to:
To purchase or locate the authorized document, you can access the IEC Webstore 60099-5 Publication Page or view standard overview samples provided via the iTeh Standards Sample Repository . Key Technical Scope of IEC 60099-5
Older versions sorted high-voltage arresters by generic Line Discharge Classes (Classes 1 through 5). The updated standard uses a physical measurement system based on and thermal charge transfer capability ( Qthcap Q sub t h end-sub ) . Enhanced Energy and Stress Estimation
: Guidance on selection, application, and coordination of surge arresters.