Technical FAQs 4

Can lightning protection be combined with SMA inverters?

Also, special features of combining overvoltage protection devices with SMA inverters are described. The document covers lightning protection in as far as it influences overvoltage protection. Lightning protection systems are intended to prevent damage to buildings from lightning strikes.

Can a PV system withstand flashes of lightning & overvoltage?

In PV systems, the PV arrays are outdoors, frequently on buildings. Depending on the situation, the inverters are also installed outdoors. For this reason, even at the planning stage of the PV system, you should determine whether measures need to be taken to deal with flashes of lightning and overvoltage.

Can PV systems be protected from lightning?

Despite the high lightning risk that PV systems are exposed to, they may be protected by the appropriate application of Surge Protection Devices and a Lighting Protection System.   One must give thoughtful and careful consideration to the following: 

What is internal lightning protection?

The internal lightning protection provides equipotential bonding between metal installations and cables within the system. Metal and conductive system parts, e.g. water pipes, are connected directly with each other for this purpose.

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