18 Years manufacturer Poly-crystalline Solar Panel 300W Wholesale to Poland
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Poly-crystalline Solar Panel 300W
Technical parameter
Maximum Power(W) 300W
Optimum Power Voltage(Vmp) 37.15V
Optimum Operating Current(Imp) 8.08A
Open Circuit Voltage(Voc) 45.30V
Short Circuit Current(Isc) 8.87A
Mechanical Characteristics
Cell Type Poly-crystalline 156x156mm (6 inch)
No of Cell 72 (6x12pcs)
Dimensions 1956x992x50mm
Weight 22.5Kg
Front Glass 3.2mm,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*156mm
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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How the solar panels are made? Well solar cells can be classified into first, second and third generation cells. The first generation home solar cells, wafer-based cells are made of crystalline silicon, the commercially predominant PV technology, that includes materials such as polysilicon and monocrystalline silicon.
What is a home solar panel module? Well, the term “home solar panel” refers to a panel designed to absorb the sun’s rays on the roof of a home as a source of energy for generating home electricity or heating. A photovoltaic (PV) module is a packaged, connect assembly of typically 60 or 72 solar cells. How does a home solar panel cell work? When a home solar panel cell is hit with light energy, electrons are knocked loose from the atoms in the semiconductor material. The home solar panels have electrical conductors carefully attached to the positive and negative sides, this creates an electrical circuit in the home solar panel, the electrons can be captured in the form of solar electricity and sent to the home.
How does a photovoltaic cell work? A home solar panel works by allowing photons, or particles of light, to knock electrons free from atoms, generating a flow of home electricity. Home solar panels actually comprise many solar panel photovoltaic cells. Photovoltaic means they convert your homes sunlight into electricity.
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What is the use of home solar panels? Your home soloar panels can be used to generate a portion of your home, farm, or business electrical power in order to reduce your homes dependency on traditional power sources. You can install home solar panels to provide electricity just for appliances or lighting, to reduce your dependency on the utility company, as well as lower your residential bill. What is the solar panel for homes? Solar panels for homes are devices that convert light into residential electricity. They are called “solar” panels because most of the time, the most powerful source of light available is the Sun, called Sol by astronomers. Scientists call them photovoltaics.
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