Accurate Wind Measurement and Atmospheric Monitoring with Lidar Technology
What is Wind liDAR?
Wind lidar, also known as wind monitoring lidar or laser wind sensing, is a remote sensing device that measures wind speed and direction using optical sensing techniques. This technology has transformed the way we monitor and analyse atmospheric conditions, delivering precise and dependable data for a wide range of applications.
Wind lidar has the ability to produce detailed measurements of wind speed and direction at various elevations, which is one of its key advantages. Wind speed detection technologies such as anemometers are confined to measuring at specified heights, whereas wind lidar can offer continuous data across the entire height of the atmosphere. This is especially useful in businesses like wind energy, where understanding wind patterns at different heights is critical for effective power generation.
Another advantage of wind lidar is that it is non-intrusive. Wind lidar can measure wind speed and direction remotely, unlike other technologies that require equipment to be placed directly in the wind flow, making it safer and easier to install and operate. This also enables observations in difficult-to-reach areas, such as offshore wind farms.
Another key application of wind lidar is atmospheric monitoring. Wind lidar can give significant data on the dispersion of pollutants and the spread of wildfires by sensing wind speed and direction. It can also be used to track air masses and forecast weather trends.
Finally, wind lidar is an effective technique for atmospheric monitoring and wind speed detection. Because of its accuracy, non-intrusive nature, and capacity to monitor wind patterns at various heights, it is a crucial component of many industries, including wind energy, aviation, and weather forecasting. As technology advances, we can anticipate progressively more advanced and inventive solutions for atmospheric monitoring and analysis.
Key Features
Bankable: fully classified by DNV-GL against DNV-GL according to IEC61400-12-1 ed2, and verified by Windguard and DTU;
Measuring distance: from 30 to 300m, with 12 configurable heights;
Robust design: State-of-Art design and manufacturing, with IP67 protection which can be deployed in harsh environment;
Complex terrain support: complex wind measurement data re-construction with no extra cost
Can operation in various site condition: proven experiences in sites with high altitude, high/low temperature & heavy rainfall area.
Applications - Molas B300 Onshore Wind Profile LiDAR System
Onshore wind farm development projects:
- Applied after wind farm development feasibility study and before or at micro-siting, to assess wind energy output in specific locations for 3 to 6 month;
Onshore Power Curve Validation:
- Replace the traditional Met-mast to setup at 2.5D away from the wind turbine
Key Features
All-inclusive: LiDAR, power supply, and communication system are all included
Portable: the whole system can be transported with 4X4 trailer
Easy to Operate: can be setup by 2 technicians within half an hour after the system arrives on site
Great quality: no comprise considered when talk about quality.
Key Features
Measuring distance: from 30 to 30m, configurable;
Easy to mobilise and setup: smaller dimensions and weight, comparing to the similar lidar products in the market;
High accuracy: Motion attitude correction algorithm secured accuracy ≤ 0.3m/s
Unattended: Satellite data communication and equipment status monitor
Strong robustness: can work stably and continuously under harsh offshore condition
Applications- Molas B300M Wind Monitoring LiDAR
Offshore development projects:
- Applied after wind farm development feasibility study and before or at micro-siting, to assess wind energy output in specific locations for 3 to 6 month;
Offshore power Curve Validation:
- Replace the traditional Met-mast to setup at 2.5D away from the wind turbine
Key Features
Measuring distance: from 45 to 10,000m, configurable;
Easy to mobilise and setup: convenient for installation and transport, it is the lightest scanning wind measurement Lidar with the similar function in the industry;
Easy to access: can be configure with wireless and remote access;
Multi working modes available: Planar Position Indicator (PPI), Range Height Indicator (RHI), Doppler Beam Swinging (DBS) & Spot Scanning mode.
Applications- Molas 3D
Meteorological detection and environmental monitoring
- National & International sports event wind condition measurement;
- Atmospheric pollution diffusion transport and diffusion meteorological conditions monitoring
Civil Aviation Weather
- Aircraft tail vortex measurement
- Airport wind shear detection
Applications in Wind Industry:
- Wind turbine wake measurement
- Wind energy measurement in complex terrain and shear analysis
- Wind farm power control the power according to the measured turbulence and wind turbine wake.
- Micro-siting for complex terrain wind farm
- More adaptable than WAsP to complex terrain.
Key Features
Measuring distance: forward-looking from 50 to 400m, configurable;
Cost-effective: under massive production, more than 2,000 units have been deployed
Built-in wind turbine control algorithm:
- Built-in algorithm to measure static wind turbine yaw deviation
- Dynamic wind turbine yaw control
- Wind turbine blades occlusion algorithm (Patent), to increase the data acquisition rate
- Molas NL wind speed prediction algorithm
Designed for high reliability;
Applications
Wind turbine performance optimization:
- Molas NL wind Lidars can be eyes of the modern wind turbines to predict the wind change and then control the pitch and rotor speed to potentially reduce the mechanical fatigue, avoid the extreme load and increase the power output;
Power Curve Validation:
- Molas NL Forward-looking wind measurement Lidar can also be used for power curve validation as the independent wind speed source for the test. This is much more cost-effective than current testing equipment.
