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Spec Sheet Description
Computerized Solar Tracking System
The proposed system, which uses real components available on the market, allows the study and experimentation of the operation of a two-axis solar tracking system applied to a silicon cell photovoltaic panel.
Description:
System configuration: stand-alone (isolated from the grid)
The system consists of:
A) Table top silicon cell photovoltaic (PV) panel including:
A.1) Solar tracker
A.2) Solar radiation sensor
A.3) Temperature sensor
A.4) Direction sensor
A.5) Inclination sensor
B) Table top control panel including:
B.1) Charge controller
B.2) Electric load
B.3) Electric instrumentation for detecting the energy flows in the different branches of the circuit
B.4) Data acquisition board with USB interface for PC connection
C) Buffer battery
Operating Principle:
Training Program:
- Components of a stand-alone solar system for electricity production
- Operation of a one / two axis solar tracker
- Effect of panel inclination and orientation variation on the electric power output
- Effect of solar radiation on the panel output voltage
- Effect of applied load variation on the electric power produced by the panel
- Effects of shading on a real solar installation
- Photovoltaic panel energy conversion efficiency
- Battery charging system management
- Connection to portable rheostat for photovoltaic panel characteristic curve construction
PC Data Acquisition:
- The unit is supplied with data acquisition board with USBinterface for connection to PC.
- The unit is supplied with a dedicated software package (LabView environment) for monitoring the different parameters of the system.
- The visualized parameters are:
- All DC parameters
- Global solar radiation incident on the PV panel
- PV panel temperature
- PV panel deviation angle on respect to the South
- PV panel inclination angle on respect to the horizontal plane
- The software allows to:
- Calculate solar energy conversion efficiency
- Visualize the trend of the solar radiation incident on the PV panel and the energy flows to and from buffer battery and PV panel
- Save the exercises data for future analysis or project work