Solar Thermal
The solar thermal installation is located on the south roof of the demonstration bioclimatic house at the Sotavento Experimental Wind Farm. It consists of eight solar thermal collectors with an absorber surface of 2.5 m2 each, totaling a collection area of 20 m2.
The installation is south-facing (180º) and integrated into the roof of the house with an inclination of 19º. The hydraulic connection between the panels has been carried out in parallel, distributed into two banks of four. The collectors provide the solar energy they capture to the heating and DHW system through a 1,000-liter storage tank. This energy is used to produce DHW and as a contribution to the heating system. The thermal emission system of the house is underfloor heating; one of its characteristics is that it operates at low temperatures, typically in the range of 35ºC-45ºC. Thus, installations with this type of emitters allow a percentage of the heating energy demand to be met by a solar installation, provided that the external environmental conditions and the internal demand of the building allow it.
Monitored parameters
- Fluid temperature at the inlet and outlet of the upper bank
- Fluid temperature at the inlet and outlet of the lower bank
- Fluid temperature at the inlet and outlet of the solar storage tank
- Solar storage tank temperature at three levels
- Relative humidity
- Horizontal irradiance
- Rainfall data
- Wind speed and direction
Wind turbine characteristics
| Make and Model | BORNAY Inclin 1500 |
|---|---|
| No. of blades | 2 |
| Diameter | 2.86 m |
| Blade material | Fiberglass / carbon |
| Generator type | Three-phase permanent magnet |
| Magnets | Neodymium |
| Rated power | 1,500 W |
| Rated voltage | 120 Vac |
| Cut-in wind speed | 3.5 m/s |
| Wind speed for rated power | 12 m/s |
| Wind speed for automatic braking | 14 m/s |
| Weight | 42 kg |
Demonstration application
Sotavento has a visual and interactive demonstration application that allows viewing the installation data in real time and performing multiple calculations and extrapolations.
DATA ACCESS AND DOWNLOAD
The parameters of the small-scale wind installation at the Sotavento Wind Farm are stored in a database and integrated into a data download application. This application allows organizations, companies, or universities with which Sotavento has collaboration agreements to access the information necessary for project development.
Complete list of parameters stored in the wind farm and bioclimatic house installations