IEC 62793 Ed. 2.0 en:2020

Current Revision
Thunderstorm warning systems - Protection against lightning

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Thunderstorm warning systems - Protection against lightning

PUBLISH DATE 2020
PAGES 48

Thunderstorm warning systems are essential for protection against lightning.

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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