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Online evaluation PV and solar collector
Pedro Ligneel
Catholic Institute of Higher Education in South – West- FlandersBelgium
1. Monitoring PV system
Pedro Ligneel
Catholic Institute of Higher Education in South – West- FlandersBelgium
PV system lab electricity
• 9 *120 Wp = 1080 Wp• 30° • grid-connected• With data logger
PV system lab electricity
• Invertor Sunny boy (SMA)• Data logger: Heliograph
(imec)• serial communication with
PC
• Memory (20 a 30 days)
• Irradiance, DV voltage, DC current AC energy
• Manually download of the data
• Data = text file
New monitoring system
Requirements:
– Automatic, no user intervention needed– Data = visual information– Public– No PC necessary– Low energy consumption– Back-up data
New monitoring system
New monitoring system
Communication with data-logger – internet:
Beck IPC
A few technical details:
Chip socketHousingOperation power consumptionInterfacesInputs/OutputsInput voltageOutput voltageSpecial functionsConnectors
DIL32 (SC12)Plastic housing15-30VDC, 2,2W2xCOM/TTL, 10BaseT8 bidirectional I/O pins15-30VDC, 10 kHz, LED’s15-30VDC/100mA, 10 kHz, LED’sI²C bus, timer outputscrew terminal, RJ-connectors
New monitoring system• AC energy (W)
• Voltage DC (V)
• Current DC (A)
• Irradiaton (W/m²)
Online evaluation PV and solar collector
Pedro Ligneel
Catholic Institute of Higher Education in South – West- FlandersBelgium
2. Self-made collector
Pedro Ligneel
Catholic Institute of Higher Education in South – West- FlandersBelgium
Self-made collector
• Italy 30000 m² since 1995 • co-operative (Verband Alternatieve Energie VAE)
• 2 collectors /Man/day
Belgium: start in 2006
500 m² in half year
Self-made collector
Self-made collector
Construction of the flat plate solar collector
Catholic Institute of Higher Education in South – West- FlandersBelgium
VAE-K16
DIN 4757 Deem 4 (ISFH) Hannover ISO ITC 180 SC5, ITR Rapperswil
Self-made collector
Absorber
– Cu 0,2 mm– 710 *1910 mm
(= 2*360 with overlap)
Self-made collector
Cu 10*1 12,5 m
Self-made collector
Self-made collector
Selfmade collector
Self-made collector
Self-made collector
Self-made collector
Frame = woodInsulation = 6 cm MW
Self-made collector
Glass = 4 mm
Self-made collector
Self-made collector
• Solar Lack: Solarlack M40 Li
• Cost:– 200 euro / collector– 1 day work
Self-made collector
Evaluation
Catholic Institute of Higher Education in South – West- FlandersBelgium
Self-made collector
• Goal: online evaluation• Measurements:
– Ambient temperature– T collector (in)– T collector (out)– T Boiler– Pump on/off
• Online (internet)• Visualisation• With little energy
Self-made collector
• System: – 16 solar panels (=22 m²) for a floor heating system and hot
water production
– Location: Torhout
– Boiler 1000 liter
New monitoring system
Self-made collector
How ?– IPC: chip with Ethernet and serial communication (energy
consumption 3 Watt)– Connection with internet– Storage on server (no data logger)
• Extra:– Controlling pump– Adjusting delta T – Logging working hours – Synchronisation with time server
• Info:
– Pedro LigneelKATHO
Pedro.ligneel@katho.be
– Luc DedeyneBENERGIE
luc@benergie.be
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