Online Exporter Poly-crystalline Solar Panel 250W Factory for Nairobi
Short Description:
We have advanced equipment. Our products are exported to the USA, the UK and so on, enjoying a good reputation among customers for Online Exporter Poly-crystalline Solar Panel 250W Factory for Nairobi, We always hold the philosophy of win-win, and build long-term cooperation relationship with customers from around the world.We believe that our growth base on customer's success, credit is our life.
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
http://www.youtube.com/watch?v=nm5wQ-kPJnw&feature=share&list=PL-EP0UttkLQytYEDeTNzeBDsjOu_M4VDZ
…incercati si voi si spuneti-mi parerile voastre..
cateva rectificari: sarma poate fi de : 0,10 – 0,20 mm,la primar,si se bobineaza prima pe tot inelul de
de ferita,si de el se fac legaturile la bec, (eu am bobinat 400 spire bifilare)…
…. 0,50 – 0,70 mm, la secundar,( eu am bobinat 25 spire bifilare),si se bobineaza peste primar,si se fac legaturile la circuit.Bobinajul,atat la primar cat si la secundar,eu l-am facut bifilar,am mers cu 2 sarme deodata,iar legaturile,atat la primar cat si la secundar , le-am facut ca la o bobina tesla,adica capatul primului fir se leaga impreuna cu sfarsitul de la al 2-lea fir,si se folosesc pentru legaturi celelalte 2 capete care raman…..
aveti schema in adresa urmatoare: https://www.youtube.com/watch?v=dmB1BqvW8hE
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