Siemens Gamesa offshore wind turbine SWT-7.0-154

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 Versions
Model Rotor diameter Wind class
SWT-6.0-154 154 m IA
SG 8.0-167 DD 167 m S (IB)
SG 10.0-193 DD 193 m S (IB)
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 the 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 for self-protection. Those equipped with the HWRT system will slowly ramp down power output instead, enabling smoother production ramp-down and thereby a more reliable 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 glued joints and produces 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.

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