EN IEC 62793:2020

Thunderstorm warning systems - Protection against lightning EN IEC 62793:2020

Publication date:   Mar 17, 2021

Scope

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.