Customized Supplier for Poly-crystalline Solar Panel 250W for Sri Lanka Factories
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We have advanced equipment. Our products are exported to the USA, the UK and so on, enjoying a good reputation among customers for Customized Supplier for Poly-crystalline Solar Panel 250W for Sri Lanka Factories, Our mission is to help you create long-lasting relationships with your clients through the power of promotional products.
Poly-crystalline Solar Panel 250W
Technical parameter
Maximum Power(W) 250W
Optimum Power Voltage(Vmp) 30.25V
Optimum Operating Current(Imp) 8.26A
Open Circuit Voltage(Voc) 36.61V
Short Circuit Current(Isc) 8.89A
Mechanical Characteristics
Cell Type Polycrystalline 156x156mm (6 inch)
No of Cell 60 (6x10pcs)
Dimensions 1640x990x40mm
Weight 18.5KGS
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——Polycrystalline 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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UNITED KINGDOM — One of the more overlooked marvels of the modern skyscraper is its plumbing system, which handles the very important job of managing the building’s waste.
British drainage expert Mark Briggs, while speaking to the Daily Mirror, explained how waste flushed from a height goes down at speeds of up to 122 mph as it hits terminal velocity.
The bottom of the pipe levels out to slow down the flow and minimize any bounce backs.
Buildings 20 or more storeys high also need to have separate stacks or pipes for toilets in the first two floors, to prevent anything from spewing out.
The design of a toilet system depends largely on the number of appliances, and the amount of fluids those appliances are expected to discharge.
Since skyscrapers produce more fluid discharge, its drain pipes need to be much wider than those in single family homes.
Pipes are typically made from PVC, but some buildings use cast iron for extra protection against rats, fires, and the sheer pressure of tons of human waste rushing through them.
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