Polycrystalline solar Panel with High Efficiency CNBM

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Polycrystalline Solar Modules

CNBM offers a range of small, medium and large polycrystalline solar modules, designed for a range of requirements.

Polycrystalline solar Panel with High Efficiency CNBM

Specifications:

Tolerance	+/-3%
Cell	Polycrystalline silicon solar cells (156 x 156mm)
N0. of Cells	60 (10 x 6)
Dimension of Modules (mm)	1650 x 990 x 40
Weight (kg)	25.5

Limits:

Operating Temperature	-40~+85?
Storage Temperature	-40~+85?
Maximum System Voltage	1000 VDC max.
Hail Impact	Diameter of 28mm with impact speed of 86km/h

Temperature and Coefficients:

NOCT	48C+/-2?
Voltage temperature coefficient (%/K)	-0.35
Current temperature coefficient (%/K)	0.05
Power temperature coefficient (%/K)	-0.45

Characteristics:

STC: Irradiance 1000W/m2, module temperature 25?, AM-=1.5

Poly Crystalline Solar Panels Specifications Range

Maximum Power (Pm)	Dimension	Weight	Operating Voltage (Vmp)	Operating Current (Imp)	Open Circuit Voltage (Voc)	Short Circuit Current (Isc)
0.45W	140x80x10mm	0.08kg	3.3V	150mA	4.6V	160mA
1.0W	162x140x10mm	0.16kg	7.5V	150mA	10.3V	160mA
4.5W	269x251x23mm	0.8kg	16.5V	0.27A	20.5V	0.3A
10W	420.1×268.9×22.6mm	1.92kg	17.5V	0.58A	20.5V	0.6A
20W	425x502x50mm	3.0kg	16.8V	1.19A	21.0V	1.29A
30W	593x502x22.6mm	3.9kg	16.8V	1.78A	21.0V	1.94A
40W	655x537x50mm	5.75kg	17.3V	2.31A	22.1V	2.54A
50W	839x537x50mm	6.0kg	17.5V	2.9A	21.8V	3.17A
65W	1111x502x50mm	7.2kg	17.6V	3.69A	22.1V	3.99A
80W	1204x537x50mm	7.7kg	17.6V	4.55A	22.1V	4.8A

Q:How are solar cells affected by temperature?: Solar cells are negatively affected by high temperatures, as they can cause a decrease in efficiency and overall performance. The increase in temperature can lead to an increase in resistance, which reduces the flow of electric current within the cell. This decrease in current output results in a decrease in power generation. Additionally, high temperatures can accelerate the degradation of the materials used in solar cells, reducing their lifespan. However, low temperatures can have a positive effect on solar cell performance, as they can increase the efficiency and power output.

Q:Solar panel resistance is changed with what: the lower the ambient temperature, the smaller the internal resistance of the battery, power generation The higher the effect; the other hand, the higher the temperature, the greater the internal resistance, the lower the efficiency.

Q:How do solar cells perform in regions with high levels of air pollution?: Solar cells generally perform less efficiently in regions with high levels of air pollution. Air pollution can block sunlight and reduce the amount of light reaching the solar cells, thereby reducing their performance. Additionally, pollutants in the air can settle on the surface of the solar cells, forming a layer of dust or dirt, which further reduces their efficiency. Regular cleaning and maintenance of solar panels are necessary in polluted regions to ensure optimal performance.

Q:Can solar cells be used in agricultural settings?: Yes, solar cells can be used in agricultural settings. They can be used to power various agricultural equipment such as irrigation systems, electric fences, and lighting. Solar cells can also be used to generate electricity for on-site use or for feeding back into the grid, reducing energy costs and promoting sustainability in agricultural practices. Additionally, solar cells can be integrated into greenhouse structures to provide power for ventilation, heating, and cooling systems, creating a more energy-efficient and environmentally friendly agricultural environment.

Q:How much does a solar cell cost?: It's not easy to answer the question in a simple way, but an example is the residential solar systems are typically sized from 3 to 8kW and end up costing between $15,000 and $40,000.

Q:Can solar cells be used in traffic management systems?: Yes, solar cells can be used in traffic management systems. They can be utilized to power various components of the system such as traffic lights, sensors, and cameras. Solar cells provide a renewable and sustainable source of energy, reducing the reliance on traditional power sources and helping to reduce carbon emissions. Additionally, solar-powered traffic management systems can be installed in remote areas where access to electricity grids may be limited or non-existent.

Q:What is the effect of dust or dirt on solar cell performance?: The effect of dust or dirt on solar cell performance is that it reduces the amount of sunlight reaching the solar cells, thereby decreasing their efficiency and overall power output.

Q:Can solar cells be used for outdoor lighting?: Yes, solar cells can be used for outdoor lighting. Solar-powered lights are designed to convert sunlight into electricity, which is stored in batteries and used to power the lights during the night. They are an environmentally-friendly and cost-effective solution for outdoor lighting, as they do not require an electrical grid connection and can operate independently.

Q:What is the working principle of a solar cell?: A solar cell is a solid-state electrical device (p-n junction) that converts the energy of light directly into electricity (DC) using the photovoltaic effect.

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