IEC 62305-2:2024/COR1:2024
(Corrigendum)Corrigendum 1 - Protection against lightning - Part 2: Risk management
General Information
- Abstract
IEC 62305-2:2024 is applicable to the risk management of a structure due to lightning flashes to earth.
Its purpose is to provide a procedure for the evaluation of such a risk. Once an upper tolerable limit for the risk has been selected, this procedure provides a means for the selection of appropriate protection measures to be adopted to reduce the risk to or below the tolerable limit.
This third edition cancels and replaces the second edition, published in 2010. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) The concept of a single risk, to combine loss of human life and loss due to fire, has been introduced.
b) The concept of frequency of damage that can impair the availability of the internal systems within the structure has been introduced.
c) The lightning ground strike-point density NSG has been introduced replacing the lightning flash density NG in the evaluation of expected average annual number of dangerous events.
d) Reduction of a few risk components can be achieved by the use of preventive temporary measures activated by means of a thunderstorm warning system (TWS) compliant with IEC 62793. The risk of direct strike to people in open areas has been introduced, considering the reduction of that risk using a TWS.
- Status
- Published
- Publication Date
- 16-Oct-2024
- Technical Committee
- TC 81 - Lightning protection
- Drafting Committee
- MT 9 - TC 81/MT 9
- Current Stage
- PPUB - Publication issued
- Start Date
- 17-Oct-2024
- Completion Date
- 16-Dec-2024
Relations
- Effective Date
- 05-Oct-2024
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Frequently Asked Questions
IEC 62305-2:2024/COR1:2024 is a standard published by the International Electrotechnical Commission (IEC). Its full title is "Corrigendum 1 - Protection against lightning - Part 2: Risk management". This standard covers: IEC 62305-2:2024 is applicable to the risk management of a structure due to lightning flashes to earth. Its purpose is to provide a procedure for the evaluation of such a risk. Once an upper tolerable limit for the risk has been selected, this procedure provides a means for the selection of appropriate protection measures to be adopted to reduce the risk to or below the tolerable limit. This third edition cancels and replaces the second edition, published in 2010. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) The concept of a single risk, to combine loss of human life and loss due to fire, has been introduced. b) The concept of frequency of damage that can impair the availability of the internal systems within the structure has been introduced. c) The lightning ground strike-point density NSG has been introduced replacing the lightning flash density NG in the evaluation of expected average annual number of dangerous events. d) Reduction of a few risk components can be achieved by the use of preventive temporary measures activated by means of a thunderstorm warning system (TWS) compliant with IEC 62793. The risk of direct strike to people in open areas has been introduced, considering the reduction of that risk using a TWS.
IEC 62305-2:2024 is applicable to the risk management of a structure due to lightning flashes to earth. Its purpose is to provide a procedure for the evaluation of such a risk. Once an upper tolerable limit for the risk has been selected, this procedure provides a means for the selection of appropriate protection measures to be adopted to reduce the risk to or below the tolerable limit. This third edition cancels and replaces the second edition, published in 2010. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) The concept of a single risk, to combine loss of human life and loss due to fire, has been introduced. b) The concept of frequency of damage that can impair the availability of the internal systems within the structure has been introduced. c) The lightning ground strike-point density NSG has been introduced replacing the lightning flash density NG in the evaluation of expected average annual number of dangerous events. d) Reduction of a few risk components can be achieved by the use of preventive temporary measures activated by means of a thunderstorm warning system (TWS) compliant with IEC 62793. The risk of direct strike to people in open areas has been introduced, considering the reduction of that risk using a TWS.
IEC 62305-2:2024/COR1:2024 is classified under the following ICS (International Classification for Standards) categories: 29.020 - Electrical engineering in general; 91.120.40 - Lightning protection. The ICS classification helps identify the subject area and facilitates finding related standards.
IEC 62305-2:2024/COR1:2024 has the following relationships with other standards: It is inter standard links to IEC 62305-2:2024. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
IEC 62305-2:2024/COR1:2024 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
© IEC 2024
INTERNATIONAL ELECTROTECHNICAL COMMISSION
COMMISSION ÉLECTROTECHNIQUE INTERNATIONALE
____________
IEC 62305-2 IEC 62305-2
Edition 3.0 2024-09 Édition 3.0 2024-09
PROTECTION AGAINST LIGHTNING PROTECTION CONTRE LA FOUDRE
Part 2: Risk management Partie 2: Évaluation des risques
CO RRI G E NDUM 1
Corrections to the French version appear after the English text.
Les corrections à la version française sont données après le texte anglais
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