EESFC Equipamento de Energia Solar Fotovoltaica, Controlado por Computador (PC)
SISTEMAS INOVADORES
The Computer Controlled Photovoltaic Solar Energy Unit, "EESFC", includes equipment that uses the photo-conversion law, which directly converts solar radiation into electricity. The absorbed energy is provided by simulated solar radiation, which in our case is supplied by a panel with powerful light sources (solar lamps).
Expansões
LABORATÓRIOS
NOTÍCIAS RELACIONADAS
Descrição Geral
The Computer Controlled Photovoltaic Solar Energy Unit, "EESFC", includes equipment that uses the photo-conversion law for the direct conversion of solar radiation into electricity. The absorbed energy is provided by simulated solar radiation, which in our case is supplied by a panel with powerful light sources (solar lamps).
The unit contains:
- Photovoltaic solar panels.
- Solar simulator composed of solar lamps.
- Ventilation system.
- DC load and battery charger regulator.
- Auxiliary battery charger.
- Battery.
- DC Loads module.
- Sensors (temperature, light radiation, DC current and DC voltage).
This Computer Controlled Unit is supplied with the EDIBON Computer Control System (SCADA), and includes: The unit itself + a Control Interface Box + a Data Acquisition Board + Computer Control, Data Acquisition and Data Management Software Packages, for controlling the process and all parameters involved in the process.
EXERCÍCIOS E PRÁTICAS GUIADAS
EXERCÍCIOS PRÁTICOS GUIADOS INCLUÍDOS NO MANUAL
- Identification and familiarization with all components of the unit and how they are associated with its operation.
- Determination of the solar panel characteristic parameters.
- Study of the materials that make up the solar cell.
- Study of the p and n sides of a solar cell.
- Study of the I-V and P-V curves.
- Study of the inverse current or the saturation current.
- Study of V, I and W according to different loads.
- Measurement of the open-circuit voltage and the short-circuit current for a solar panel with load.
- Measurement of the maximum power for a solar panel with load.
- Study of the relationship between power generated and solar radiation power.
- Study of the solar panel maximum power.
- Study of the influence of temperature on the solar panel opencircuit voltage.
- Determination of the photo-conversion efficiency.
- Study of the efficiency of the solar panels connected in parallel.
- Study of the efficiency of the solar panels connected in series.
- Study of the efficiency, depending on the temperature, of the photovoltaic system connected in parallel.
- Study of the operation of the photovoltaic generation system supplying power to different DC loads without an auxiliary battery.
- Study of the photovoltaic power generation system operation with an auxiliary battery and supplying different DC/AC loads.
- Study of the operation of the photovoltaic system in series/parallel with connection of different loads and without the support of the storage battery.
- Study of the operation of the photovoltaic system in series/parallel with connection of different loads DC and with the support of the storage battery.
EXERCÍCIOS MAIS PRÁTICOS A SEREM FEITOS COM A UNIDADE
- Sensors calibration.
- Lamps illumination profile study.
- Determination of the resistance of a solar cell connected in series and in parallel.
- Study of the parameters that define the quality of a solar cell.
- Study of the dependence of the voltage of open circuit (V∞) on the lumens.
Practices to be done with the OPTIONAL KIT "EE-KIT":
- Study of the operation of the photovoltaic system in series/parallel with connection of different loads and without the support of the storage battery.
- Study of the operation of the photovoltaic system in series/parallel with connection of different AC loads and with the support of the storage battery.
- Study of the connection of loads to an alternating voltage of 220V.
Practices to be done with the additional recommended element "EE-HYB-KIT":
- Study of the hybrid inverter’s grid connection procedure: correct sequence of battery and grid switches.
- Study of the hybrid inverter configuration.
- Study of the hybrid inverter in grid connection mode.
- Study of the hybrid inverter in island mode.
- Study of the behavior of the hybrid inverter in the event of a blackout.
- Study of the charging process of the battery from the laboratory grid through the hybrid inverter.
- Study of the battery charging process from a renewable energy source.
- Study of the power flows of the battery and the grid under variations of the energy demand with the variable resistive load.
- Study of the response of the hybrid inverter when the critical discharge point of the battery is reached.
- Study of the energy balance between the battery-charge-grid by means of the analog ammeters and voltmeters incorporated in the kit.
Other possibilities to be done with this Unit:
- Many students view results simultaneously. To view all results in real time in the classroom by means of a projector or an electronic whiteboard.
- Open Control, Multicontrol and Real Time Control. This unit allows intrinsically and/or extrinsically to change the span, gains, proportional, integral, derivative parameters, etc, in real time.
- The Computer Control System with SCADA and PID Control allow a real industrial simulation.
- This unit is totally safe as uses mechanical, electrical and electronic, and software safety devices.
- This unit can be used for doing applied research.
- This unit can be used for giving training courses to Industries even to other Technical Education Institutions.
- Control of the EESFC unit process through the control interface box without the computer.
- Visualization of all the sensors values used in the EESFC unit process.
- By using PLC-PI additional 19 more exercises can be done.
- Several other exercises can be done and designed by the user.