SG 3.4-132

Onshore wind turbine

Highest profitability
The SG 3.4-132 is ideal in medium to high wind sites, where customers require nominal powers higher than 3 MW with an optimum Levelized Cost of Energy. Proven technologies ensure excellent performance and reliability.
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Rotor diameter
132 m
Nominal Power
3.75 MW
Wind class
Key Facts
  • Optimum LCoE for medium and high winds
  • Enhanced performance with the highest levels of reliability
  • Several tower height options to comply with height restrictions
  • Capable of boosting its nominal power to 3.55 MW
Recommended for

Medium to high wind, onshore locations

Other models in the platform
Model Rotor Dia. Wind type
SG 2.7-129 129 m For medium wind (US market)
SG 2.6-114 114 m For medium to high wind
SG 4.2-132 132 m For high wind
An enhanced performance you can rely on
Technical specifications
General details
Rated power 3.465 MW
Wind class IA/IIA
Flexible Power ratings 3.3-3.75 MW
Control Pitch and variable speed
Standard operating temperature Range from -20ºC to 30ºC (2)
Diameter 132 m
Swept area 13,685 m²
Rotational speed 6.82 - 10.9 rpm
Power density 253.20 W/m²
Length 64.5 m
Airfoils Siemens Gamesa
Material Fiberglass reinforced with epoxy or polyester resin
Type Multiple technologies available
Height 84, 97, 101.5, 114, 134, 154, 165 m and site-specific
Type 3 stages
Ratio 1:102.75 (50 Hz), 1:123.3 (60 Hz)
Type Doubly-fed induction machine
Voltage 690 V AC
Frequency 50 Hz/60 Hz
Protection class IP 54
Power factor 0.925 CAP-0.925 IND throughout the power range (3)
(2) Different versions and optional kits are available to adapt machinery to high or low temperatures and saline or dusty environments.
(3) Power factor at generator output terminals, on low voltage side before transformer input terminals.
The most profitable product in its segment
AEP increase SG 3.4-132 vs. SG 2.6-114
The SG 3.4-132 wind turbine joins the Siemens Gamesa portfolio with a clear objective: to complement the product offer for medium- and high-wind sites where markets require nominal powers higher than 3 MW at an optimum Levelized Cost of Energy. Informed by over 35 years’ experience in wind energy and a natural evolution of the Siemens Gamesa 2.X product series, this Class I/II solution ensures enhanced performance with high levels of reliability.
Technological highlights
Our onshore approach is focused on geared technology, in which we have extensive knowledge and expertise. The hallmarks of Siemens Gamesa turbines are: reliability, robustness and a modular, flexible design for optimum adaptation and maximization of production at any site and in all wind conditions.
This turbine is equipped with blades made of fiberglass reinforced with epoxy or polyester resin. Together with the state-of-the-art aerodynamic profile, we can produce lighter blades having greater strength and improved dynamic behavior with less load transmitted to the rest of the components.
Turbine sensors continuously transmit data to our diagnostic centers, 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.
OptimaFlex represents an entirely fresh approach to wind power. Turbines can be precisely configured to turn deep insights about your business and site conditions into a lower cost of energy, this means wind power solutions that are right for you on day one and every day thereafter.
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