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Recommended to install an external Lightning Protection System (LPS) of Level III. A lightning strike onto a tracker mounted Air termination rod which connects to the earthing system via the Tracker
Recommended to install an external Lightning Protection System (LPS) of Level III. A lightning strike onto a tracker mounted Air termination rod which connects to the earthing system via the Tracker
Before considering the effective lightning protection of a PV system, we need to understand the common types of lightning strikes. Diagram 1_Standard lightning protection plan
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Protection against surges of photovoltaic plants is custom-designed for every installation in order to protect photovoltaic cells and all the integrated elements as much as possible.
Lightning discharges cause field-based and conducted electrical interference. This effect increases in relation with increasing cable lengths or conductor loops. Surges do not only damage the PV
Figure 5 shows an appropriate integrated lightning protection system for a sample solar power system located on a building at roof level, while figure 6 depicts a free field solar panel farm
PS and so the risk of a direct lightning strike is not considered. This is the configuration that applies to 95% of residential solar PV installations in Australia. Figure 3 shows a building with roof
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Galvanic coupling occurs when lightning hit a lightning rod or the roof of a building. Conductive coupling occurs when lightning hit an aerial electric line or a low voltage line.
This paper identifies the fundamental aspects of lightning interaction on PV and to summarize the lightning protection system requirement according to the standards and guidelines.
This paper can help engineers design effective lightning protection system for PV systems and select appropriate protective devices.
Designing a Lightning Protection System Using the Rolling Sphere Method, Proceeding in the 2009 International Conference on Computer and Electrical Engineering, pp 502-506
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