Earthing & Lightning Protection
On January 5, 2021, a recognized
domestic expert in the field of grounding and lightning protection, Shahzad Muhammad Khan is the Technical Director will hold a webinar
on the topic "Grounding and lightning protection. Methods of active
influence on lightning. How effective and expedient are active lightning
rods". This is the sixth webinar in the series "Grounding and
Lightning Protection - Issues and Problems Arising in Design".
DESCRIPTION
OF THE EVENT
Is it possible to control the lightning
strike point? To this question, any specialist, without hesitation, will
give a positive answer. He will think when the question is clarified ''…for
the purposes of practical Lightning Protection.''
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Now we have to take into account the cost of
generating control actions, their reliability, operating costs, and
compatibility with the technological functions of the protected object.
The physics of control actions on lightning is clear. The lightning strike point is determined by the channel of the counter leader, which starts from the ground structure. To achieve effective protection against direct lightning strikes, it is necessary either to initiate the counter leader from the lightning rod as early as possible or to slow it down from the protected object. The required levels of control actions are also known. Unfortunately, they are realizable for research purposes but are not very suitable for mass practical lightning protection. That is why neither in Pakistan nor in the vast majority of technically developed countries, regulatory documents on lightning protection are guided by active lightning rods.
However, advertising of active lightning rods
is carried out by all permitted and prohibited methods. Unfortunately,
even the decision-making bodies of our country are involved in the advertising
process. In this form, a commercial event becomes socially dangerous and
needs to be resisted. This webinar is planned to give a detailed analysis
of the mechanisms of control actions on lightning, to provide factual data on
their real capabilities obtained in the course of field observations,
laboratory studies, and theoretical considerations. It is also supposed to
consider the consequences of the possible use of active lightning rods (including
the most famous ESE Lightning Rods)
at real industrial facilities.
In conclusion, the possibilities of combining
active lightning rods with the domestic regulatory framework for lightning
protection will be considered and the prospects for the planned developments
will be assessed.

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