250W Graphene Enhanced Poly Silicon Solar Module with High Quality CNBM

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250W Poly Silicon Solar Module with High Quality 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 a polycrystalline solar cell?: A polycrystalline solar cell is a type of solar cell made from multiple small silicon crystals, unlike a monocrystalline solar cell which is made from a single crystal. This manufacturing process makes polycrystalline solar cells less expensive to produce, although they typically have slightly lower efficiency compared to monocrystalline solar cells.

Q: Can solar cells be used in electric bikes or scooters?: Yes, solar cells can be used in electric bikes or scooters to harness the sun's energy and convert it into electricity to power the vehicles. By incorporating solar panels, these vehicles can become more sustainable and reduce their dependence on traditional energy sources.

Q: How do solar cells affect the electricity grid?: Solar cells affect the electricity grid by injecting clean and renewable energy into the system. When solar cells generate excess electricity, it can be fed back into the grid, reducing the demand for electricity from traditional power plants. This helps diversify the energy sources and reduce carbon emissions. However, the intermittent nature of solar power can pose challenges to grid stability and require additional infrastructure investments for efficient integration.

Q: Can solar cells be used in hotels?: Yes, solar cells can be used in hotels to generate renewable and clean energy. They can be installed on the roofs or other suitable areas of hotels to capture sunlight and convert it into electricity, reducing the reliance on traditional energy sources and lowering utility costs.

Q: How are solar cells connected to the electrical grid?: Solar cells are connected to the electrical grid through a process called grid-tied solar system. This involves installing an inverter that converts the direct current (DC) produced by the solar cells into alternating current (AC), which is the standard form of electricity used in the electrical grid. The AC electricity generated by the solar cells is then fed into the electrical grid through a bi-directional meter, allowing both the solar system to supply electricity to the grid when it produces excess power and receive electricity from the grid when the solar cells are not generating enough power. This connection enables solar energy to be seamlessly integrated into the existing electrical grid system.

Q: What is the effect of dust or dirt on solar cell performance?: The presence of dust or dirt on solar cells can significantly reduce their performance by blocking sunlight from reaching the cells, thereby reducing their efficiency in converting sunlight into electricity. The dust or dirt particles act as a barrier, preventing the photons from reaching the semiconductor material within the solar cells. This decreases the amount of electricity generated, resulting in a decrease in overall power output. Therefore, regular cleaning and maintenance of solar panels is essential to maximize their performance and ensure optimal energy production.

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, a gentle breeze can help cool the solar panels, preventing them from overheating and improving their efficiency. On the other hand, strong winds can cause vibrations and movement in the panels, leading to potential damage or misalignment. Therefore, while some wind can be beneficial, excessive or turbulent winds can have a detrimental impact on solar cell performance.

Q: Can solar cells be used in educational institutions?: Yes, solar cells can be used in educational institutions. They offer a hands-on approach to teaching students about renewable energy and the importance of sustainable practices. By installing solar panels on rooftops or in designated areas, educational institutions can generate clean energy, reduce their carbon footprint, and save on electricity costs. Additionally, incorporating solar cells into the curriculum allows students to understand the science, technology, and environmental aspects of solar energy, fostering a greater awareness and understanding of renewable energy sources.

Q: How do solar cells perform in cloudy weather?: Solar cells can still generate electricity in cloudy weather, although their efficiency is reduced compared to sunny conditions. Cloud cover limits the amount of sunlight reaching the solar panels, resulting in a lower energy output. However, modern solar cell technologies are designed to capture diffused sunlight and can still produce a significant amount of electricity even in cloudy weather.

Q: Can solar cells be used in farming or agriculture?: Yes, solar cells can be used in farming or agriculture. They can be employed to power various agricultural equipment, such as water pumps, lighting systems, and irrigation systems. Additionally, solar cells can be installed on the roofs of farm buildings or on open fields to generate electricity, which can be used to power farm operations or sold back to the grid. This allows farmers to reduce their reliance on traditional energy sources, lower their operating costs, and contribute to a more sustainable agricultural industry.

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