Siemens G4 platform – 3.6-MW and 4.0-MW geared wind turbines The offshore workhorse - redefined Answers for energy.

Siemens, the offshore leader Siemens has been a major driver of innovation in the wind power industry since 1980 when wind turbine technology was still in its infancy. Technology has changed with the times, but Siemens’ commitment to providing its customers with proven wind turbine solutions remains the same. In recent times, the world has seen an intense increase in the nature and capacity of offshore wind power plants. Given the logistical challenges of offshore projects where even the smallest issue can amplify costs, having technology that works and continues to work is paramount. This was...

Intelligent ways to drive down the cost of electricity Wind power is coming of age. It could soon be directly competitive with traditional energy sources. Driving down the levelized cost of wind energy is a key target for Siemens as we strive to make wind power independent of subsidies. Innovation and industrialization are the core levers to this. And our new platform strategy, founded on the knowledge and experience of more than 30 years in wind power, is a milestone on this path. Standardization and modularization are fundamental to the new platform approach – allowing us to streamline the...

The new SWT-4.0-130 The next step in reliable offshore energy While the 4.0-MW turbine is based directly on the 3.6-MW turbine, it features improvements based on years of operational experience. Firstly, its structure has been strengthened, making it even more robust. Secondly, the optimized design features an improved layout, optimizing the ergonomics during maintenance. A simplified tower design with fewer weldings has led to both lower weight and greater strength. In addition, a redesign of the nacelle layout has made the moving parts easier to access and service. Both the gearbox and generator...

Aeroelastic blades for greater lifetime output Optimized and robust design Thoroughly proven on onshore wind turbines, the benefits of Siemens’ aeroelastic technology have been extended to the offshore environment. The B63 blade applied to the SWT-4.0-130 also features this blade technology. The four key wind turbine modules – the blade, rotor hub, tower and power system – have been developed from the existing Siemens portfolio. By utilizing proven components and technologies to the widest extent possible, Siemens has eliminated many of the variables traditionally associated with the introduction...

Proven technology, advanced performance Grid performance with NetConverter® High Wind Ride Through (HWRT) Siemens sets the standard in the field of grid compliance. Power conversion is implemented by the Siemens’ NetConverter® system. This system is characterized by full conversion of the power generated, efficiently decoupling generator and turbine dynamics from the grid. Wind turbines are normally programmed to shut down if the 10-minute mean wind speed exceeds 25 m/s. This may lead to significant challenges for the grid system if the turbines in large wind farms are shut down more or less...

Rotor diameter Rotor diameter Rotor diameter Blade length Blade length Blade length Swept area Swept area Swept area Site specic Site specic Site specic Power regulation Pitch regulated Power regulation Pitch regulated Power regulation Pitch regulated Nacelle weight Nacelle weight Nacelle weight Rotor weight Rotor weight Rotor weight Setting the scene in modern offshore wind power Further evolvement in offshore wind power The biggest and most advanced rotor in its class The design of this wind turbine is based on its long-term experience in offshore wind power. With a swept area 26% larger than...

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