Photovoltaic surge protection

Photovoltaic surge protection

When lightning strikes into a lightning protection system, voltage surges can occur in the photovoltaic system as a result of inductive and capacitive connections.

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21 Products

It makes sense to protect photovoltaic systems from direct and indirect lightning strikes. To ensure an effective protection, it is necessary to prevent a direct lightning strike into the system itself as well as to prevent damage to electrical devices in the event of an indirect impact. Adequate protection is achieved by a lightning conductor system that is separate from the photovoltaic system and the installation of surge protection. When lightning strikes into a lightning protection system, voltage surges can occur in the photovoltaic system as a result of inductive and capacitive connections. Defects in the photovoltaic system due to such voltage surges are prevented by a careful selection and installation of a high-quality surge protection.

Various surge arresters are available based on the recommended use in the lightning protection zone concept at the LPZ boundaries (according to IEC 1312-1 and EN 62305) to equalize the potentials of positive and negative conductors of photovoltaic systems and eliminate transient overvoltage generated during atmospheric discharges or switching processes. 


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Do you need help with your purchase?

The HERMI team will be happy to advise you and help you find the most suitable solution for your situation. Let us know about your needs and wishes. 


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Hermi, d.o.o.

Trnoveljska cesta 15

3000 Celje

Slovenia