Ambient Light Resistance 100Klux Wind Measurement Lidar Providing IP65 Enclosure

Product Description:

The Molas CL tower clearance lidar is a specialized type of lidar designed to monitor the blade tip clearance distance in real-time. This advanced system constantly measures the space between the blade tips and the tower to ensure safe operation.

When the detected blade clearance approaches the predefined minimum threshold, the main controller of the wind turbine unit can promptly initiate protective actions. These measures may include slowing down the rotor speed or retracting the blades to avoid potential collisions.

Integrating tower clearance lidar into existing wind turbine units offers significant benefits. It helps prevent tower strikes, thereby raising the power output limits of turbines that were previously considered risky, and ultimately enhances overall power generation efficiency.

Looking ahead, the implementation of tower clearance lidar in future turbine designs can lead to reductions in blade manufacturing costs and lower the structural design pressures on the units. This innovation contributes to more economical and reliable turbine operations over time.

Features:

• Product Name: Wind Measurement Lidar
• Ranging Method: Time of Flight (ToF)
• Working Acceleration Range: -0.5g to 0.5g
• Operating Humidity Range: 0% to 100% RH
• Beam 3 Angle: 4.09° ± 0.2°
• Wavelength: 905nm
• Designed for remote wind measurements
• Maximum Acquisition Distance optimized for onshore wind measurements

Technical Parameters:

This Wind Measurement Lidar is designed for applications in wind power, civil aviation, and offers bankable reliability and precision.

Applications:

The Molas CL tower clearance lidar is designed to address three essential application scenarios, all aimed at ensuring the safe operation of wind turbines. Firstly, the lidar performs single point precise feedback by continuously targeting a specific location on the blade tip. This allows it to provide highly accurate, real-time clearance distance measurements directly to the main controller. Such precise data is critical, as it guarantees the reliability of each measurement and serves as the basis for all subsequent operational decisions.

Secondly, the system implements threshold detection , wherein a minimum safe clearance limit is predefined. If the measured clearance approaches or falls below this threshold, the system immediately triggers an alarm. The turbine controller then initiates protective actions such as slowing down the rotor, adjusting the blade pitch, or executing an emergency shutdown. These measures effectively prevent any potential contact between the blades and the tower structure.

The third key function is trend detection . Unlike traditional systems that focus solely on instant values, the Molas CL lidar continuously monitors how the clearance distance changes over time, analyzing both the speed and direction of this change. By forecasting possible risks a few seconds in advance, it enables the main controller to adopt proactive and subtle mitigation strategies. This approach helps to avoid sudden, severe load variations that could stress the turbine components.

These three capabilities—precise single-point feedback, prompt threshold response, and predictive trend analysis—work together seamlessly. Precise measurements provide the necessary raw data, threshold detection offers immediate protective intervention, and trend detection ensures early warnings. This comprehensive safety loop guides the turbine’s control system from “observing” and “assessing” to “anticipating” potential issues. As a result, existing turbines can safely operate with relaxed derating limits, boosting annual energy output. For future turbine designs, this technology supports reduced blade lengths and lower tower stiffness requirements, thereby decreasing both blade manufacturing costs and overall structural demands.