ALTEN supports a global leader in wind energy by providing comprehensive engineering services for onshore wind turbines. With a service center of over 50 engineers, ALTEN contributes to mechanical design, aerodynamic analysis, instrumentation-control law definition, embedded software development, and site analysis. These efforts help optimize turbine performance, reliability, and longevity. This engineering excellence has earned ALTEN recognition as a “key partner” in engineering by its client, extending this partnership to actively accelerate the energy transition across numerous countries.

Challenges

The client faced multiple challenges in designing high-performance wind turbines. 

• Energy Conversion Efficiency: Designing blades with optimized shapes, dimensions, and positioning to efficiently convert wind kinetic energy into electricity.
• Control System Precision: Requiring precise instrumentation and software for stable startup, shutdown, and directional control operations.
• Structural Durability: Ensuring robust mechanical structures and components to withstand extreme winds and harsh weather conditions.
• Environmental & Long-Term Compliance: Conducting careful analysis of aerodynamic noise and operational fatigue to meet regulatory standards and minimize environmental impact.

Solutions

ALTEN provided end-to-end engineering support covering all aspects of wind turbine design. Our comprehensive solution included:

• Aerodynamic Analysis: Conducting studies to assess site conditions, calculate critical loads, and evaluate noise generation.
• Control System Development: Defining instrumentation control laws for optimized operation and developing embedded software for precise startup, shutdown, and directional adjustments.
• Mechanical & Structural Engineering: Designing key components (tower, nacelle, blades) and performing static scaling and fatigue simulations to ensure durability under extreme conditions.

By combining multidisciplinary expertise with advanced simulation tools, ALTEN ensured that the turbines met all performance, safety, and environmental requirements, while enabling scalable deployment across multiple sites.

Outcomes

• Optimized turbine performance through precise aerodynamic and mechanical design.
• Reliable and durable turbines capable of withstanding extreme weather conditions.
• Efficient control systems ensuring safe and accurate start-up, shutdown, and directional adjustment.
• Reduced environmental impact via noise assessment and fatigue simulation.
• Strengthened client partnership and contributed to accelerating the global energy transition.