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Windtech International January February 2024 issue






Saft has supplied batteries to provide four days of emergency power for turbines at E.ON’s Amrumbank West offshore wind farm. The company has supplied its Uptimax nickel battery systems to ensure continuity of power for critical communication and lighting services for sea marking at the offshore wind farm.

Saft has provided a total of 80 Saft Uptimax battery systems, one for each turbine. In the event of an interruption to the main power supply, the batteries are designed to deliver peak power for essential safety systems for an initial period of eight hours, followed by a further 88 hours of low power. Each battery is rated at 24 V and has energy storage capacity of 150 Ah or 390 Ah. The batteries have been built into the modular transition sections of the wind turbine towers and they will require no topping-up for their entire 20 plus year lifetime.

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