Hybrid solar - wind energy trainer (DL SUNWIND-24V3)
PL-158257
The main target of a hybrid power system is to combine multiple sources to deliver non-intermittent electric power, trying to take advantage of multiple available renewable energies. Complete with connecting cables, experiment manual and software for data acquisition and processing. TRAINING OBJECTIVES Solar energy: • Measurement of solar irradiance and irradiation • Graph tracing of the following characteristics of a photovoltaic module: • voltage at no-load, function of irradiance • short circuit current, function of irradiance • current – voltage, function of irradiance • voltage and current in overload condition • series and parallel connected configurations • Regulating and charge of the battery • DC solar plant • AC installation. Wind energy: • Activating the braking action • Regulating and charging the battery • DC wind installation • AC installation: standby function investigation. Hybrid system: • AC parallel connected, DC low voltage battery bank feed by different sources. GENERAL FEATURES The Trainer is composed of two sub- systems for the conversion to electric energy, one from solar energy through a photovoltaic panel and the other from wind energy through a wind turbine. In this trainer, two inverters work parallel connected; one acting as master, synchronizes the frequency of the second inverter, acting as slave; this architecture allows creating a connection between the two outputs that operate as a single line with double available power. This configuration can be expanded up to 9 inverters connected. Average training hours: 12h.
The trainer is composed of: • Two solar photovoltaic panels (85W, 12V) mounted on a support with wheels and complete with graduated scales for adjustment of the inclination and calibrated cell in the upper part for measuring the solar irradiance and temperature. • Motor/generator group for the simulation of a wind turbine. Composed of a brushless motor coupled to 24V AC 3ph generator, motor controller module, anemometer for real wind detection • Wind turbine electronic regulator for battery charging. • Two 2400W DC/AC converter modules (2400 W each), with sinusoidal output to generate an electrical network (mains). With a circuit breaker to switch on and off the inverter. It operates as master or slave. Complete with control panel. Integrated MPPT solar charge controller, two 12V batteries. • Two 24Vdc load modules with two 20W halogen lamps each, with an On/Off control switch. • Two 24Vdc load modules with two 3W LED lamps each, with an On/Off control switch. • Two mains voltage load modules with a 35W halogen lamp and a 3W LED lamp each, with an On/Off control independent switch. • Three-phase bridge rectifier module. • Two residual circuit breaker modules, 10A, IΔn 30mA. • Variable logarithmic rheostat module, 80Ω, 6A max., to load the photovoltaic panel to detect the voltage-current characteristic curves. • Instruments module for measuring solar parameters. It displays voltage-current-power, solar irradiance, temperature of the solar panel. • Instruments module for measuring wind parameters. It displays voltage-current-power, Wind and Rotor data. • Two sun simulators for solar photovoltaic panel internal use. The intensity of the light can be controlled by the operator locally through a potentiometer and remotely through a DC 0 ÷ 10 V signal or ModBus command. • Three-level frame for the modules.
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