250W Poly Solar Panel Manufacturers in China

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Shanghai
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TT OR LC
Min Order Qty:
10000 watt
Supply Capability:
1000000 watt/month

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Item specifice:

Material: Polycrystalline Silicon Max. Power(W): 250 Number of Cells(pieces): 60

Product Description:

Product Description

250W Poly Solar Panel Manufacturers in China

1. High cell efficiency with quality silicon materials for long term output stability and reliability.
2. High transmittance low iron tempered glass with enhanced stiffness and impact resistance
3. Unique frame design with high mechanical strength for easy Installation.
4. Advanced encapsulation material with multiplayer sheet lamination to provide efficient
protection from the severest environmental conditions, PET sheet imported from Toyo Japan with advanced encapsulating material
5. Outstanding electrical performance under high temperature and low irradiance conditons
6. Excellent performance in harsh weather,Outstanding electrical performance under high temperature and low irradiance
7. Strictly quality control ensure the stability and reliability, totally 30 QC procedures


Mechanical Characteristics
Cell TypePoly-crystalline 156x156mm
No. of Cells60 (6x10)
Dimensions1640x992x40mm
Weight18.0kgs
Front Glass3.2mm, high transmission, low iron, tempered glass
FrameAnodized Aluminium Alloy
Junction BoxIP67 Rated
Output CablesTUV 1x4.0mm2, Length: 900mm
Specifications
Module Type   FY-60-240P   FY-60-245PFY-60-250P    FY-60-255P   FY-60-260P
STCNOCTSTCNOCTSTCNOCTSTCNOCTSTCNOCT
Max. Power (Pmax)240Wp176Wp245Wp179Wp250Wp183Wp255Wp187Wp260Wp191Wp
Max. Power Voltage (Vmp)30.0V27.3V30.2V27.5V30.4V27.7V30.6V27.9V30.7V28.0V
Max. Power Current (Imp)8.01A6.45A8.12A6.51A8.23A6.61A8.34A6.70A8.47A6.82A
Open-circuit Voltage (Voc)37.2V34.1V37.4V34.3V37.6V34.5V37.7V34.6V37.8V34.7V
Short-circuit Current (Isc)8.56A6.89A8.69A7.01A8.81A7.10A8.95A7.21A9.11A7.34A
Module Efficiency STC (%)14.82%15.13%15.44%15.74%16.05%
Operating Temperature (°C)-40°C ~ 85°C
Max. System Voltage1000VCD (IEC)
Max. Series Fuse Rating15A
Power Tolerance±3% / 0~+3% (Based on customer requirements and contract terms)
Temperature Coefficients of Pmax-0.43%/°C
Temperature Coefficients of Voc-0.32%/°C
Temperature Coefficients of Isc0.06%/°C
Nominal Operating Cell Temperature (NOCT)45±2°C

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Q:Why can not the solar panel load directly?
Solar panels because of low power, and the output voltage is extremely unstable, not suitable for load.
Q:Solar panels single crystal and double crystal in the rain which is easy to use
Polycrystalline silicon solar cell production process and monocrystalline silicon solar cell almost, but the polysilicon solar cell photoelectric conversion efficiency will have to reduce a lot of its photoelectric conversion efficiency of about 12% (July 1, 2004 Japan Sharp market efficiency of 14.8% Of the world 's most efficient polysilicon solar cells).
Q:What is the working principle of solar panels?
No matter what kind of material to make the battery, the general requirements for solar cell materials are
Q:What is the main material for making solar panels?
The correct name of solar panels is solar photovoltaic panels, making its main material is monocrystalline silicon or polysilicon silicon, monocrystalline silicon silicon chip more crystalline silicon wafer photoelectric conversion rate is high, the price is also more expensive silicon wafer.
Q:Can cold light make solar panels power
Solar power generation There are two ways of solar power generation, one is the light - heat - electricity conversion, the other is the optical - electrical direct conversion.
Q:Single crystal solar panels and polycrystalline solar panels
Monocrystalline silicon cells in the laboratory to achieve the conversion efficiency of 24.7%. Ordinary commercial conversion efficiency of 10% -18%. Monocrystalline silicon solar cells because of the production process problems, generally its semi-silicon ingots for the cylindrical into, and then through the slice -> cleaning -> diffusion knot -> remove the dice -> the production of electrodes -> corrosion around -> Reflective film and other workers made of finished products. General monocrystalline silicon solar cells four corners for the fillet. Monocrystalline silicon solar cell thickness is generally 200uM-350uM thick, and now the production trend is to ultra-thin and efficient direction
Q:Composition and function of solar panels
Among them, for the electronic grade polysilicon accounted for about 55%, solar grade polysilicon accounted for 45%, with the rapid development of photovoltaic industry, solar cell demand for polysilicon growth rate higher than the development of semiconductor polysilicon, is expected to 2008 solar polysilicon
Q:Polycrystalline solar panels are good or single crystal solar energy is good
From the cost of production, than the monocrystalline silicon solar cells to be cheaper, easy to manufacture materials, saving power consumption, the total cost of production is low, so get a lot of development. In addition, the polysilicon solar cell life than monocrystalline silicon solar cells shorter. From the performance and price ratio, monocrystalline silicon solar cells also slightly better.
Q:The voltage and power problems of solar panels
From morning to night (with sunshine) solar panel voltage is generally relatively stable, that is basically about 30V; but the output power is always changing, sooner or later, noon; if it is good quality solar energy,
Q:What is the principle and structure of solar panels?
solar panels: solar panels is the core of solar power generation system, solar power system is the highest value of the part. Its role is to convert the sun's radiation capacity into electricity, or sent to the battery to store, or to promote the load work.

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