Lyhyt kuvaus
This notice is a detailed market investigation, i.e. a request for information.
A project will be launched at VTT to measure wind flows in wind power plants. For the measurements, 5 pcs Nacelle mounted Lidar devices are needed for rent for 12 months. The project will start in early October. Three devices must be delivered installed on top of two Enercon E70 2.3 MW turbines and two devices on top of one Vestas V126 3.3 MW turbine. The installation locations are at two separate wind farms in Finland. VTT is looking for a supplier who can rent the necessary equipment. For equipment requirements, see Performance requirements.
Performance requirements:
— for sufficient capture of the complexities of the wind flow, the LiDARs are required to record at least 50 line of sight measurements every second around a circular scan defined by a slice across a cone,
— measurements need to be repeated at 10 user-configurable ranges between 10 m and 400 m,
— the lidar device has to incorporate an anti-free functionality to assure maximal measurement availability during freezing weather conditions,
— the lidar optical head cannot exceed a weight of 20 kg in order to minimize the added loading to the wind turbine nacelle structure, especially the Enercon E70,
— the supplier has to provide the devices for rental for 12 months from the beginning of October 2020,
— the devices must be delivered installed.