Solar central unit with supervisor
Educational objectives
• Studying of a photovoltaic system in a isolated site.
• Creation of a PLC program.
• Creation of a supervision application of a touch screen.
• Using a clamp-on ammeter.
• Studying the efficiency of a photovoltaic system.
Technical characteristics
On the top surface:
• 1 main ON/OFF switch + 1 emergency stop button.
• 1 24VDC batteries charging switch.
• 1 touchscreen 3x4" colour QVGA, 320 x 240 pixels, Ethernet socket.
Control interface between the user and the system, it displays electrical parameters necessary for the understanding of the functioning.
It allows a simple and complete supervision, monitoring and control.
• 1 solar load regulator.
• 1 set of signalling indicator lamps.
• 2 synoptics / complete diagram of the system with terminals and indicator lamps.
• Safety terminals for 230V-AC use output.
On the side:
• 2 safety terminals for voltage input from the solar panel.
• 1 main isolating switch from the public network.
• 1 solar panel isolating safety switch
• 1 RJ45 Ethernet connector.
In the cabinet
• 2 batteries 12VDC-12Ah + 1 battery charger 24V.
• 1 pure sine inverter 24VDC/230VAC-50Hz - 300W.
• 1 PLC Ethernet.
• 1 analogue board 2 Inputs 0-10V/4-20mA and 1 Output 0-10V/4-20mA
• 1 4-port Ethernet coupler.
• 1 set of protection devices included 1 open door safety device.
Photovoltaic solar panel on tilting frame
• Useful surface area of the cells 1.5m².
• Open circuit voltage: 57V DC, Optimum operating voltage: 47V DC
• Short-circuit current: 4.6A
• Optimum operating current: 4.3A
• Maximum power: 200Wc (variation of ± 10% depending on the series)
• Device for measuring the tilt angle
• Tilt adjustable from 5° to 70°
• Light and easy to move.
Dimensions:
Folded position: 1620 x 1060 x 100mm
Unfolded to 70° position: 2100 x 1060 x 700mm
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