Senvion has successfully completed the installation of the first 3MW class 3.4M140 EBC turbine prototype in Heckelberg for the Notus energy group. The 3.4M140 is equipped with a sound-optimised blade profile and a new pitch control system to reduce turbine load.
Serial production of the 3.4M140 with hub heights of 110 and 130 m will start towards the end of this year. Owing to its larger rotor compared with previous models and the 68-m blades at these tower heights, this type of turbine is particularly suited to low-wind locations such as forested and mountainous areas.
Jürgen Geissinger, CEO at Senvion, commented: "Senvion is focused on optimisation of and developing the most cost efficient solutions for our clients. The Senvion 3.4M140 EBC is one of the quietest turbines on the market and the load-reducing pitch control system ensures a cost-effective design. This development makes a significant reduction to the levelized cost of energy and demonstrates that even inland low-wind locations can be profitable."
The 3.4M140 is equipped with the ‘Next Electrical System’ (NES), which Senvion introduced for its 3.XM series in 2015. The gearbox-based concept, which features an asynchronous generator and a fully rated converter, is said to permit stable grid feed-in and meets future grid requirements in a range of markets.
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