High Power Solar Cells - Factor Directly Sale 285W Poly Silicon Solar Module CNBM

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Factor Directly Sale 285W Poly Silicon Solar Module CNBM

Polycrystalline Solar Module

XH250P(72)/ XH275P(72)/ XH300P(72)

Models	XH250P(72)	XH285P(72)	XH300P(72)
Max. Power (Pmax)	250Wp	285Wp	300Wp
Optimum Operating Voltage (Vm)	34.8V	35.7V	35.9V
Optimum Operating Current (Im)	7.18A	7.77 A	8.08A
Open-circuit Voltage (Voc)	43.8V	35.4 V	44.4V
Short-circuit Current (Isc)	8.04A	8.24 A	8.62A
Cells efficiency	14.6%	15.8%	16.8%
Dimension L×W×H (mm)	1956×992×50mm	1956×992×50	1956×992×50
Power Tolerance (Pmax)	0 ~ +3%	0 ~ +3%	0 ~ +3%
Numbers of cells	60pcs poly solar cell 156×156mm	72pcs poly solar cell 156×156mm	72pcs poly solar cell 156×156mm
weight	25kg	25kg	25kg
Max system voltage	1000V DC	1000V DC	1000V DC
Temperature cycling range	-40℃ ~ +85℃	-40℃ ~ +85℃	-40℃ ~ +85℃

Q: What is the cost of solar cells?: The cost of solar cells varies depending on a variety of factors such as the type and size of the solar cell, installation costs, and government incentives. On average, the cost can range from $0.30 to $0.60 per watt for residential solar cells and can be higher for commercial or utility-scale installations. It's important to consider the long-term benefits and savings that solar cells provide, making them a cost-effective investment in renewable energy.

Q: How do solar cells handle hail or other physical damage?: Solar cells are designed to be durable and can generally handle hail or other physical damage to a certain extent. Most solar panels are made with tempered glass or other strong materials that can withstand small hailstones without significant damage. However, severe hailstorms with large hailstones may cause cracks or breakage in the solar cells, affecting their efficiency. In such cases, it is important to assess the extent of the damage and consider repairs or replacements if necessary.

Q: How do solar cells perform in different temperature ranges?: Solar cells generally perform better in cooler temperatures. When the temperature increases, the efficiency of solar cells tends to decrease. This is because higher temperatures can lead to an increase in electron-hole recombination, reducing the electrical output. However, some advanced solar cell technologies, like multi-junction cells, can maintain higher efficiency even at elevated temperatures. Overall, it is important to consider temperature effects when designing and using solar cells.

Q: What is the most commonly used material for solar cells?: Anyone of these is the materials for making the solar cells: Crystalline silicon solar cell, silicon solar cell, silicon solar cell. Amorphous silicon cell: thin film solar cells, organic solar cells. Chemical dye cell plate: dye sensitized solar cell.

Q: Can solar cells be used in disaster response vehicles?: Yes, solar cells can be used in disaster response vehicles. They can help power the vehicle's electrical systems and equipment, providing a sustainable and reliable source of energy in emergency situations where traditional power sources may be unavailable or unreliable. Additionally, solar cells can reduce the dependence on fossil fuels and contribute to a more environmentally friendly response effort.

Q: What is the effect of wind on solar cell performance?: The effect of wind on solar cell performance can be both positive and negative. On one hand, wind can help cool the solar cells, preventing overheating and improving their overall efficiency. Additionally, wind can help clean the surface of the solar panels, removing dust and debris that may obstruct sunlight and reduce energy production. On the other hand, strong winds can create vibrations and mechanical stress on the solar panels, potentially damaging their structure or causing misalignment. Therefore, while some wind is beneficial for solar cell performance, excessive or turbulent wind conditions may have a detrimental impact.

Q: Can solar cells be used to power electronic devices?: Yes, solar cells can be used to power electronic devices. Solar cells convert sunlight into electricity, which can then be used to power a wide range of electronic devices such as smartphones, laptops, calculators, and even larger appliances like refrigerators or streetlights. This allows for a sustainable and renewable source of energy for various applications.

Q: What is the impact of solar cells on reducing air pollution from power generation?: Solar cells have a significant impact on reducing air pollution from power generation. By harnessing energy from the sun, solar cells produce electricity without emitting harmful pollutants such as carbon dioxide, sulfur dioxide, or nitrogen oxides. This clean and sustainable energy source helps to mitigate the negative effects of traditional fossil fuel-based power generation on air quality, thus contributing to a healthier environment and reducing the overall carbon footprint.

Q: How are solar cells made?: Solar cells are typically made using a process called photovoltaic manufacturing, which involves several steps. First, silicon, which is the main material used in solar cells, is extracted from silica, a component of sand. The extracted silicon is then purified and transformed into a crystal structure suitable for solar cell production. These silicon wafers are then cut into thin slices. Next, various layers of conductive materials and anti-reflective coatings are applied to the wafer, creating the necessary electrical properties and enhancing light absorption. Finally, electrical contacts are added to the cell, allowing the generated electricity to be collected and used.

Q: How do solar cells handle shading or obstructions?: Solar cells are designed to handle shading or obstructions by using bypass diodes. These diodes allow the current to bypass the shaded or obstructed area, ensuring that the remaining unshaded cells can still generate electricity. This helps minimize the impact of shading or obstructions on the overall performance of the solar panel.

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