DEHN + SOHNE HVI power conductors

DEHN + SOHNE’s patented HVI conductors are suitable for sophisticated architecture or complex installations/building structures.

The conductor is said to ensure an equivalent separation distance of 90 cm in air. The lightning current carrying conductor of the insulated down conductor is covered by an insulating material so that the required separation distance from other conductive parts of the building construction as well as from electric lines and pipelines is kept. Impermissible proximities are thus prevented.

The coaxial high-voltage-insulated conductor consists of an inner conductor made of copper with a thick-walled, high-voltage-resistant insulation and a weatherproof semiconductive external sheath. This sheath is designed in such a way that the lightning-related, high-impulse voltage is discharged in a defined way, thus preventing creepage flashover at the surface of the conductor.

This high-voltage-insulated down conductor fulfils the electrical requirements of the IEC/EN 62305 standard. The specific energy of a lightning strike, in other words the time integral of the square of the lightning current over the entire lightning duration, significantly stresses the mechanical and thermal strength of the conductor, which is no problem for the HVI power conductor. The HVI power complete system is tested with lightning currents (10/350 µs) of 200 kA and can thus be used for all classes of LPS. This allows consultants and installers of lightning protection systems to keep separation distances even under difficult conditions, thus preventing injection of lightning currents in the building.

The conductor will be a key element of the HVI family and extends the portfolio in the upper performance range. The HVI light Conductor, for example, is a part of the HVI system and provides various design options for the external lightning protection system, eg, for protecting photovoltaic systems.