SWT-7.0-154

Offshore wind turbine

Excellent offshore reliability
With high-energy production and assured reliability, the SWT-7.0-154 is the balanced solution for your offshore wind power needs. Small upgrades to proven technology show how cost-effective innovation can be.
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Wind class
IB
Rotor diameter
154 m
Serial production
2017
Nominal power
7.0 MW
Key Facts
  • High-output workhorse
  • Robust design for extreme offshore conditions
  • Direct drive technology for high efficiency
Recommended for

High wind, offshore locations

Model Rotor diameter Wind class
SG 8.0-167 DD 167 m S (IB)
SWT-6.0-154 154 m IA
Classic features, groundbreaking innovations
Technical specifications
IEC Class IB
Nominal power 7,000 kW
Rotor diameter 154 m
Blade length 75 m
Swept area 18,600 m²
Hub height Site specific
Power regulation Pitch regulated, variable speed
Minimum upgrades for maximum effect
Compared to a new product introduction, staying within the SWT-6.0-154 design envelope means the 7 MW can provide a smooth transition for future projects in numerous ways. Product risk is reduced. Certification processes will be shorter. And the balance-of-plant supply chain impact from turbine configuration is minimal. In essence, we are reducing risk not only on a turbine level but, by extending on our proven platform, we bring valuable synergies to project development. Add a reduced need for turbine positions while increasing the power output and we arrive at a minimum upgrade for maximum effect.
Technological highlights
Direct drive technology reduces the number of rating and wear-prone components in offshore turbines, making them simpler to maintain. Efficiency is improved by using a permanent magnet generator, which needs no excitation power. These and other design simplifications keep weight low and dimensions small, lowering transport and installation costs.
The High Wind Ride Through (HWRT) system is a breakthrough in stabilizing energy output. When the wind speed is higher than 25 meters per second, wind turbines typically shut down to avoid overload. Those equipped with the HRWT system will moderate power output instead, becoming more reliable to the electrical grid.
The development of IntegralBlade® technology enables each fiberglass-reinforced epoxy blade to be cast in one piece. This process eliminates weaker areas at glue joints and delivers blades of optimum quality, strength and reliability.
Turbine sensors continuously transmit data to the Siemens Gamesa Diagnostic Center, enabling the early detection of anomalies and preventing potential failures. By analyzing vibration patterns we can optimize your service plan and anticipate repairs before serious damage occurs.
Need help?
The solutions we provide are driven by the benefits they deliver. This applies as much to our pursuit of absolute safety as to maximizing your return. Whether by inventing a new technology, evolving an existing product, or simply finding a smarter way of working, we strive to lower costs and raise returns on investments.
Our experts are on hand to help with any questions you have. Email us, or login to our customer service portal Wind Dialogue. Here you’ll be able to monitor configuration, production, and agreements for your wind power plants, and find relevant news from Siemens Gamesa Renewable Energy.
With more than 25 years’ experience in the offshore wind power business means we can offer proven solutions that are both reliable and sustainable. Whichever turbine or service you need we can help to maximize your return on investment while delivering a lower cost of energy for everyone.

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