IEC 62793, ‘Protection against lightning – Thunderstorm warning systems,” has just been released. This new standard not only describes these types of warning systems available but also shows you how to evaluate the data you’ll use in order to implement lightning hazard prevention measures. This information covers sensors, networks, and how to apply the data gathered this way in order to provide both warnings and historical data.
Why a standard on thunderstorm warning systems? The standard was developed in response to the extraordinary development of real-time monitoring systems for atmospheric electric activity and lightning. These systems have had a positive impact on safety as warning systems are implemented. So it’s natural for standardization to follow where a body of knowledge about a measured phenomena starts to yield concrete criteria for action.
What’s actually included in the IEC 62793? Your scope paragraph points to the following areas:
- General information about available lightning and storm electrication warning systems
- A classification system for these devices and their properties
- Guidelines for alarming methods
- A procedure for determining how useful thunderstorm information is
- Examples of possible prevention actions
So you’ll find specific data on thunderstorm phases and what phenomena can be used as alarm triggers. There’s also discussion of various devices and of alarm methods. Clause 7 covers installation and maintenance of your system while Clause 8 provides you with the criteria for alarm evaluation. The last area covered by the standard is a thunderstorm warning systems application guide.
There are also 6 informative Annexes. They cover such topics as an overview of lightning phenomena itself, thunderstorm detection techniques, a catalog of potential preventitive actions, and how to test thunderstorm detectors. A 17-item bibliography completes the document.
Now to get your copy of this new publication. You can order at the Document Center Inc. webstore, www.document-center.com, with confidence. We have been an authorized distributor of the IEC standards since the 1990’s. Here is a direct link to the order page for IEC 62793 for your convenience. It is available for you to order in both paper format and for pdf download.
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