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INNAS und Hydrautrans entwickeln hydraulisches Getriebe für 12 WM-Offshore-Windenergieanlagen

Pressebild: INNAS and Hydrautrans develop hydraulic transmission for offshore wind turbines

Das Ingenieurbüro INNAS und das Technologieunternehmen Hydrautrans bieten mit dieser leichten, kostengünstigen Übertragung eine wettbewerbsfähige Lösung für die Offshore-Windkraftanlagen der nächsten Generation.

(WK-intern) – Hydrauliksysteme arbeiten ohne internen Metall-Metall-Kontakt, was zu einem überlegenen Systemwirkungsgrad ohne Verschleiß führt mit einer Lebensdauer von mehr als 25 Jahren und einer Effizienz von über 95%.

Vorläufige Berechnungen zeigen, dass durch die Umsetzung dieses hydraulischen Getriebes die Energiekosten (LCoE) deutlich reduzieren. Der niedrige Turbinenpreis in Verbindung mit einer längeren Lebensdauer führt zu einer LCoE-Reduktion bis zu € 6, – pro MWh.

INNAS and Hydrautrans develop hydraulic transmission for offshore wind turbines (>12 MW)

INNAS and Hydrautrans are developing an innovative mechanical-hydraulic transmission for offshore wind turbines with a capacity of more than 12 megawatt. The engineering company INNAS and technology company Hydrautrans offer a competitive solution for the next generation offshore wind turbines with this light-weight, cost effective transmission. This technology has a long lifetime and high efficiency and therefore distinguishes itself from the current direct drive and geared technology in wind turbines. The companies aim to contribute to the cost reduction of offshore wind energy.

The Floating Cup Technology will be used for the transmission, invented and patented by INNAS. The hydraulic pumps and motors operate without internal metal-to-metal contact, which translates into superior system efficiency without wear. This results in an elongated service life of more than 25 years and an efficiency of more than 95%.

Preliminary calculations show that, by implementing this hydraulic transmission in new wind turbine models of existing suppliers, the levelized cost of energy (LCoE) can be reduced significantly. The low turbines price in combination with an elongated service life results in a LCoE reduction up to €6,- per MWh.

The 12 MW transmission consists of 4 independent modules of 3 MW each. The components are light-weight which leads to a 10-25% head mass reduction. Wind turbines with a lower capacity (6 MW or 9 MW) can also use this new technology by placing less modules. With this development it is even possible to upscale to more than 12 MW in the future. The expectation is that this technology will be released in the market by 2020.

PR: Hydrautrans

Pressebild: INNAS and Hydrautrans develop hydraulic transmission for offshore wind turbines

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