The laboratory supports the following laboratorial exercises:
1) Solar Energy
Measurement efficiency of open or close loop solar collector
Characteristics curve of a photovoltaic system
Open-circuit current and short-circuit voltage calculations for a photovoltaic system
Study of an autonomous photovoltaic system
Study of passive solar systems with pc software
Solar pump for irrigation
Study on operation of hybrid photovoltaic-wind system
Sizing of photovoltaic system
Ethanol production from saccharate dilution
Biological fuel production for vehicles
Study on biomass investment analysis
3) Fuel Cell
H2O electrolysis and operation of H2 fuel cell
Operation of ethanol fuel cell
Operation of alkaline fuel cell
4) Wind Energy
Evaluation of wind energy potential and energy production calculation by various wind turbines
Measurement characteristics of wind turbines
Sizing of wind farms
Wind turbines characteristics
Siting of wind farms
Techno-economic analysis of wind park
5) Hydroelectric Energy
Efficiency analysis of small hydroelectric system
Techno-economical analysis of small hydroelectric system
For the elaboration of the laboratory exercises is used the required laboratorial equipment. This equipment is:
A) LABORATORIAL EQUIPMENT - EXPERIMENTAL PROVISIONS
Experimental layout including 1W wind generator and photovoltaic SIEMENS SOLAR GmbH 55 Wp, with incorporated current and voltage meters. The device includes one converter-regulator (SOLARIX 550 RI Fronius) for charging the 44Ah battery.
Solar pump SUN PEARL with photovoltaic panel SIEMENS SOLAR GmbH 10 Wp.
Experimental layout of H – TEC electrolysis and fuel cell.
Autonomous photovoltaic system for irrigation with photovoltaic panel Siemens 35Wp, lead battery, electrical valves, 220V/24V and 12V/220V transformers, 12V electric pump and regulator for charging the battery.
Layout for bioethanol and biodiesel production.
Educational hybrid system constituted from 2 photovoltaic panels SIEMENS SM55, 1 regulator for charging SOLARIX TAROM 245, 1 wind generator RUTLAND 503, 1 Data logger for the Tarom 245 TARCOM and 1 rectifier bridge currency measurement at the Tarom 245 SHUNT HS200.
Hybrid system for electrical energy production witch includes 1 AIP 403 wind generator made by Southwest Windpower, 6 photovoltaic elements 100Wp, 2 AC/DC converters FRONIUS 900I, 1 charging regulator SR30, 24 batteries EPZS 240 SOLAR, 2 digital voltmeters 8588 DEGATON, 1 PCI card from NATIONAL INSTRUMENTS, current and voltage sensors for batteries, wind generator and photovoltaic panels.
Devices for measuring wind and solar potential and environmental parameters.
Wind speed measurement sensors
Wind direction sensors
Heat flow sensors
Hotwire wind speed sensors
Systems of telemetry
Portable tripod meteorological station for meteorological parameters measurement
Portable hygrometer-thermometer and hotwire anemometer
Energy consumption measurement equipment
Open loop solar collector
Closed loop solar collector
Echelon Node and network development kit for building energy management systems
Wind tunnel (under construction)
TRNSYS 16 www.trnsys.com
SUMMER BUILDING / SUMMER TECHNIQUES grbes.phys.uoa.gr
PV-SIZE (Software for sizing of aeolian and photovoltaic installations)
Visaul DOE 4 www.visualdoe.com