Solid state relays provide high-power control

Delcon solid state interface relays are suitable for industrial applications where noise immunity is important

Delcon solid state interface relays are being used by Areva TandD to provide reliable switching in its HV DC power network control equipment.

The allows the interconnection of two asynchronous AC networks at different operating frequencies.

This is typically used to share power between different countries or regions and recent projects have been successfully completed in South America, India and the Middle East.

The equipment operates in an environment that is surrounded by high-voltage power lines where signal cables are subject to extremely high levels of noise and interference.

The relays are required to provide an interface between the control system and the field signal connections and Areva needed a solution that could operate reliably under these harsh conditions.

Delcon relays were selected because their circuit design with pulse transformer technology and multilayer interface suppression allowed them to pass all required test specifications.

The relays are manufactured in Finland and have proven their exceptional reliability and functionality over the years in the harsh Scandinavian pulp and paper industry.

The relays are suitable for a wide variety of other industrial applications where noise immunity is important and are also suited to switching DC loads and highly inductive loads without the need for derating.

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