8 Years Factory Poly-crystalline Solar Panel 50W Supply to Swiss
Short Description:
We believe in: Innovation is our soul and spirit. Quality is our life. Customer need is our God for 8 Years Factory Poly-crystalline Solar Panel 50W Supply to Swiss, We look forward to establish a long-term business relationship with your esteem co-operation.
Poly-crystalline Solar Panel 50W
Technical parameter
Maximum Power(W) 50W
Optimum Power Voltage(Vmp) 18.43V
Optimum Operating Current(Imp) 2.71A
Open Circuit Voltage(Voc) 22.48V
Short Circuit Current(Isc) 2.98A
Mechanical Characteristics
Cell Type Poly-crystalline 156 x 52mm
No of Cell 36 (4x9pcs)
Dimensions 678x542x25mm
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——Poly-crystalline solar cell 156*52mm
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
[view in full screen in 720p HD if able or 480p resolution]
Rewired the wind turbine and mast up another meter to clear wind obstructions on the roof.
The turbine was on a temporary pole in a temporary position in turbulence among trees and roofing obstructions , consequently it tip stalled and flicked around on the pole at as little as 4 m/s wind speed. The pole itself is only thick rolled galvanized sheet iron and flexes too much causes continual lower rotation speed below the value of the wind speed. However, it reasonably did ok, being half the charge output. Wind was never actually constant only pulses and gusts.
Note: “12V 40AH lithium iron phosphate (2000 cycles to 100 percent DOD)” Battery is one type i have found(not used here) that may be interesting, for use here because a 12v system can only have 4 batteries maximum in parallel(these special lithium i’m not sure if it can or cannot have more in parallel).They are around 230 USD each (255 AUD) “at” the manufacturer with Minimum 10 of them.
In terms of its DOD and cycles, it becomes a 200ah lead acid battery with less complications.
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