IEC 62793:2020 

Thunderstorm warning systems - Protection against lightning


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IEC 62793:2020(E) describes the characteristics of thunderstorm warning systems (TWSs) in order to implement lightning hazard preventive measures.
Single sensors and/or a network of sensors (e.g. lightning location system) can be used as a TWS.
This second edition cancels and replaces the first edition, published in 2016. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
- portable devices are no longer covered by this standard;
- in Clause 5, classes of TWS have been deleted;
- in Clause 6, updated figures and more detailed text are provided to better illustrate the alarm timeline;
- in Clause 9, the text has been summarized and refers now to the application guide given in Annex F;
- annexes have been reorganized;
- Annex E is normative.

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Additional information

Publication typeInternational Standard
Publication date2020-09-21
Available language(s)English
TC/SCTC 81 - Lightning protectionrss
ICS29.020 - Electrical engineering in general
91.120.40 - Lightning protection
Stability date  2023
File size3095 KB

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