About lightning spike generation

In summary, the user is new to the forum and is currently working on their master project using COMSOL Multiphysics. Their research involves analyzing materials for grounding and they are seeking information on how to generate a lightning signal in COMSOL and apply it to a grounding rod. They are also considering using source voltage and source impedance models for the lightning source, as well as looking into industry standards such as EN-61000-4-5 for immunity testing. However, they are currently stuck on how to incorporate these standards into their work in COMSOL.
  • #1
AbdulManan
2
0
Hello i am new user of in this forum...
i am working on COMSOL Multiphysics for my master project
i am working in the area of grounding so i have to analyze the material with lightning effect so i want to know how i can generate the lightning signal in COMSOL and how we apply to grounding rod
 
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  • #2
AbdulManan said:
Hello i am new user of in this forum...
i am working on COMSOL Multiphysics for my master project
i am working in the area of grounding so i have to analyze the material with lightning effect so i want to know how i can generate the lightning signal in COMSOL and how we apply to grounding rod

Welcome to the PF. What can you show us of your work and research so far? What models are you considering using for the source voltage and source impedance for the lightning source? There are also some lightning strike standard test procedures that are used in the industry for immunity testing, like EN-61000-4-5. Are you familiar with that test standard?
 
  • #3
Recently i see these standards but i stucked these types of spike in COMSOL Multipyscis and also how i apply to the grounding rod
 

What is a lightning spike?

A lightning spike is a sudden, intense burst of electrical energy that occurs during a lightning strike. It is characterized by a sharp increase in voltage and current, followed by a rapid decrease.

How is a lightning spike generated?

A lightning spike is generated when a large amount of electrical charge builds up in a cloud or between a cloud and the ground. This charge separation creates an electric field that becomes strong enough to cause a rapid discharge of electricity, resulting in a lightning strike.

What factors affect the generation of lightning spikes?

The generation of lightning spikes is influenced by several factors, including the strength and distribution of charge within the cloud, the atmospheric conditions, and the topography of the surrounding area. Additionally, the type of lightning, such as cloud-to-ground or intracloud, can also affect the generation of lightning spikes.

Can lightning spikes be predicted?

While scientists have made strides in understanding the conditions that lead to lightning spikes, the exact timing and location of these events cannot be predicted with complete accuracy. However, weather forecasting technologies and tools can provide valuable information and warnings about potential lightning activity.

What are the potential dangers of lightning spikes?

Lightning spikes can pose a significant threat to both people and property. Direct strikes can cause severe injuries or death, while the electrical current from a nearby strike can also cause damage to electronic equipment and start fires. It is important to take precautions and seek shelter during thunderstorms to minimize the risk of being struck by lightning.

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