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Featured Video - ABB Power - 8th December 2015

Turning on the Lights in the Åland Islands, Finland – HVDC Light Black-Start Demonstration

SmartCool™ i-drive (Inverter Compressor) precision air conditioning system

ABB, the leading power and automation technology group, has handed over the new high-voltage direct current (HVDC) power link between the Åland islands in the Baltic Sea and mainland Finland to Kraftnät Åland, the transmission grid operator. Prior to handover ABB successfully simulated the ‘black-start’ outage restoration functionality, a key feature of ABB’s HVDC solution. The real-time simulation was carried out in the early hours of the morning, with the power supply to intentionally cut off and then restored with an automatic start-up sequence.

The Åland link transmits electricity between mainland Finland and the archipelago, which lies between the Finnish west coast and Swedish east coast. The link will allow integration of renewable energy sources, delivering clean power to 28,000 inhabitants.

With the ‘Black Start’ feature restoration time can be reduced to fractions of a second under operational conditions. This functionality when incorporated with ABB’s HVDC Light® technology, performs an intelligent and controlled injection of electricity into the grid to quickly re-energize the system. As demonstrated in the Åland simulation, even when the link is not in active operation, the black-start system can restore power in under five minutes - many times faster than in the absence of this innovative feature. It also replaces local auxiliary power supply needs like diesel generators, and eliminates the use of costly and carbon dioxide emitting fossil fuels.

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