Best quality and factory Mono-Crystalline 50W Solar Panel for Holland Factories
Short Description:
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Technical parameter
Maximum Power(W) 50W
Optimum Power Voltage(Vmp) 18.72V
Optimum Operating Current(Imp) 2.67A
Open Circuit Voltage(Voc) 22.83V
Short Circuit Current(Isc) 2.94A
Mechanical Characteristics
Cell Type Monocrystalline 125×62.5mm
No of Cell 36 (4x9pcs)
Dimensions 636x554x25mm
Weight 4.2Kg
Front Glass 3.5mm,High Transmission, Low Iron,Tempered Glass
Junction box IP65 Rated
Output Cable TUV 1×4.0mm2/UL12AWG,Length:900mm
Temperature and Coefficients
Operating Temperature(°C): -40°C ~ + 85°C
Maximum System Voltage: 600V(UL)/1000V(IEC) DC
Maximum Rated Current Series: 15A
Temperature Coefficients of Pmax: -0.47%
Temperature Coefficients of Voc: -0.389%
Temperature Coefficients of Isc: 0.057%
Nominal Operationg Cell Temperature (NOCT): 47+/-2°C
Materials of solar panel
1).Solar Cell——Mono-crystalline solar cell 125*125mm
2).Front Glass——-3.2mm, high transmission, low iron, tempered glass
3).EVA——-excellent anti-aging EVA
4).TPT——-TPT hot seal made of flame resistance
5).Frame——anodized aluminum profile
6).Junction Box——-IP65 rated, high quality, with diode protection
Superiority: high quality anodized aluminum frame, high efficiency long life, easy installation, strong wind resistance, strong hail resistance.
Features
1. High cell efficiency with quality silicon materials for long term output stability
2. Strictly quality control ensure the stability and reliability, totally 23 QC procedures
3. High transmittance low iron tempered glass with enhanced stiffness and impact resistance
4. Both Poly-crystalline and Mono-crystalline
5. Excellent performance in harsh weather
6. Outstanding electrical performance under high temperature and low irradiance
Quality assurance testing
Thermal cycling test
Thermal shock test
Thermal/Freezing and high humidity cycling test
Electrical isolation test
Hail impact test
Mechanical, wind and twist loading test
Salt mist test
Light and water-exposure test
Moist carbon dioxide/sulphur dioxide
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Sources:
https://www.businessinsider.com.au/solar-panel-makers-grappling-with-waste-2013-2?r=US&IR=T
http://spectrum.ieee.org/green-tech/solar/solar-energy-isnt-always-as-green-as-you-think
https://www.techly.com.au/2017/05/31/china-worlds-largest-floating-solar-farm/
http://news.nationalgeographic.com/news/energy/2014/11/141111-solar-panel-manufacturing-sustainability-ranking/
http://www.aljazeera.com/news/2016/11/india-unveils-world-largest-solar-power-plant-161129101022044.html
https://en.wikipedia.org/wiki/List_of_nuclear_power_stations
https://en.wikipedia.org/wiki/List_of_photovoltaic_power_stations
https://en.wikipedia.org/wiki/List_of_coal_power_stations
https://web.stanford.edu/group/sjir/pdf/Solar_11.2.pdf
https://www.bnl.gov/pv/files/pdf/art_170.pdf
http://reneweconomy.com.au/solar-panel-recycler-leads-australia-in-emerging-industry-99038/
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The mppt controller plus 2 mono 150w panels (series connection 24×2=48v) charge the battery very good in cloudy weather, inverter under the load about 1,7kw water pump.
