

Introduction
The document discusses Siemens' G4 platform, focusing on 3.6-MW and 4.0-MW geared offshore wind turbines. Siemens aims to reduce the cost of wind energy, making it competitive with traditional energy sources without subsidies. The platform strategy is based on over 30 years of experience, emphasizing standardization and modularization.
Platform Evolution
The G4 platform has evolved to meet diverse customer needs. The SWT-3.6-120 turbine improved upon the SWT-3.6-107, becoming a popular choice. The introduction of the 4.0-MW turbine with a 130-meter rotor and a more powerful generator enhances power output and revenue while minimizing investment risk.
Technological Advancements
The 4.0-MW turbine builds on the 3.6-MW model, featuring a strengthened structure and optimized nacelle design. It offers a 15% increase in net annual energy production at IEC I conditions due to a larger rotor and more powerful generator. The simplified tower design and updated gearbox and generator enhance efficiency and resilience.
Innovative Blade Technology
The 4.0-MW turbine uses 63-meter-long rotor blades, increasing the swept area by 18%. Siemens' aeroelastic technology, applied to the B63 blade, optimizes load characteristics and maintains strength without adding significant weight.
Design and Grid Integration
The turbine's design incorporates proven components, ensuring reliability and a short time-to-market. The Siemens NetConverter® system allows flexibility in grid response, while IntegralBlade® technology eliminates weak points in blade construction. The WebWPS SCADA system provides comprehensive monitoring capabilities.
Service and Safety
Siemens offers a range of service solutions to optimize turbine output. Safety is prioritized, with innovations like the heli-hoist platform and gangway system for safer offshore maintenance. The vibration diagnostics service helps prevent potential failures.
Conclusion
The G4 platform, with its proven technology and advanced performance, is positioned as a reliable and profitable investment for offshore wind power. Siemens continues to lead in offshore applications, driven by a commitment to innovation and customer satisfaction.
Siemens G4 platform – 3.6-MW and 4.0-MW geared wind turbines The offshore workhorse – redefined
Open the catalog to page 1Siemens, the offshore leader Intelligent ways to drive down the cost of electricity Siemens has been a major driver of innovation in the wind power industry since 1980, when wind turbine technology was still in its infancy. Wind power is coming of age. It is fast becoming 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. Technology has changed with the times, but Siemens’ commitment to providing its customers with proven wind turbine solutions remains the same....
Open the catalog to page 2The new SWT-4.0-130 The next step in reliable offshore energy Enhanced design efficiency Aeroelastic blades for greater lifetime output Optimized and robust design While the 4.0-MW turbine is based directly on the 3.6-MW turbine, it features improvements based on years of operational experience. Its structure has been strengthened, making it even more robust. The optimized nacelle design also features an improved layout, optimizing the ergonomics during installation and maintenance. A simplified tower design with fewer weld points has led to both lower weight and greater strength. Both the gearbox...
Open the catalog to page 3Proven technology, advanced performance Swept area: 11,300 m2 Siemens NetConverter® The Siemens Wind Power power boost functionality is a wind turbine control feature that increases the annual energy production of the turbine by raising the rating up to 5 % depending on site conditions. The feature is implemented, operated, and controlled on each wind turbine. Power boost functionality The NetConverter® system offers maximum flexibility in the turbine’s response to voltage and frequency control, fault ride-through, and output adjustment. As a result, Siemens wind turbines can be configured to...
Open the catalog to page 4Published by and copyright © 2015: Siemens AG Wind Power and Renewables Division Beim Strohhause 17-31 20097 Hamburg, Germany siemens.com/wind For more information, please contact our Customer Support Center. Phone: +49 180 524 70 00 Fax: +49 180 524 24 71 (Charges depending on provider) E-mail: [email protected] Wind Power Order No. WPOF-B10006-00-7600 RS 15_01_203 Subject to change without prior notice. Trademarks mentioned in this document are the property of Siemens AG, its affiliates, or their respective owners. The information in this document contains general descriptions of the...
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