Best Inexpensive Solar Panels for Good Quality and High Efficiency
- Ref Price:
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2500 watt
- Supply Capability:
- 25000000 watt/month
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Specification
Product Description:
Solar Monocrystalline Series (90W-100W) l : High efficiency crystalline solar cell. Even if under the weak light, the solar module can produce maximum power output.
II Tempered glass (toughened glass): Anti-reflecting coating and high transmission rate glass increase the power output and mechanical strength of solar module.
III EVA and TPT: Using high quality EVA and TPT to prevent destroying and water.
Advantages of Monocrystalline Silicon Solar Panel
• CNBM Solar performance guarantees for 25 years
• 12 years guarantee for workmanship
• Timeliness of delivery
Specification of Solar Monocrystalline Series
- Optimal permutation on solar cells to keep enough heat diffusion, decreases hot spot effect.
- High quality and anti-ageing EVA, weather resistance backside raw materials assure reliable solar panels.
- Passed 5400Pa mechanical loads testing by UL, can withstand bad and high mechanical load working environment.
- TUV、UL、MCS、CE、ROHS、Golden Sun certified
- Underwriting of 25years output power warranty by The People's Insurance Company of China.
ELECTRICAL PERFORMANCE
Electrical parameters at Standard Test Conditions (STC)
Module type YLxxxP-29b (xxx=Pmax)
Power output Pmax W 260 255 250 245 240
Power output tolerances ΔPmax W 0 / + 5
Module effi ciency ηm % 16.0 15.7 15.4 15.1 14.8
Voltage at Pmax Vmpp V 30.3 30.0 29.8 29.6 29.3
Current at Pmax Impp A 8.59 8.49 8.39 8.28 8.18
Open-circuit voltage Voc V 37.7 37.7 37.6 37.5 37.5
Short-circuit current Isc A 9.09 9.01 8.92 8.83 8.75
Electrical parameters at Nominal Operating Cell Temperature (NOCT)
Power output Pmax W 189.7 186.0 182.4 178.7 175.1
Voltage at Pmax Vmpp V 27.6 27.4 27.2 27.0 26.8
Current at Pmax Impp A 6.87 6.79 6.71 6.62 6.54
- Q: Can solar panels be used in areas with high levels of rainfall?
- Yes, solar panels can be used in areas with high levels of rainfall. While excessive water exposure can affect the performance of solar panels in the short term, modern solar panels are designed to withstand different weather conditions, including rain. Proper installation and maintenance can ensure their efficiency and longevity, even in areas with high rainfall.
- Q: when we say a solar panel has 20% efficiency, do we mean that it converts 20% of sunlight reaching it into electricity or that it converts 20% of visible light(which is only 7% of sunlight) into electricity?
- Photo-voltaic solar cells use the visible light range (photons) for the conversion of sun's rays to electrical energy. The potential of solar radiation is ,353 Watts per square meter, but that is mostly a measure of heat, or infrared radiation. The visible light is actually a small portion of the spectrum. You have struck on a problem associated with photo-voltaic cells. Infrared radiation acts to heat up p-v cells (heat stress), causing them to be much less efficient. It would be interesting to see a hybrid p-v panel that is cooled with fluid or air running through it. This would increase efficiency of the p-v process while providing a heating source. This in turn could be used directly for heating or for production of electricity through a generator system.
- Q: What things can a solar panel power?
- What things can moving water power? It just depends on the size and number of panels.
- Q: Do solar panels require cleaning?
- Yes, solar panels do require cleaning. Over time, dust, dirt, leaves, bird droppings, and other debris can accumulate on the surface of solar panels, reducing their efficiency. Regular cleaning is recommended to ensure optimal performance and maximize energy generation.
- Q: If a solar panel has a power rate of 80 Watts and efficiency of lets say 30%. Does that mean the maximum power this solar panel can generate is (30/00)*80=54 Watts or its just 80 Watts?
- If it says STC or Standard Test Conditions on the nameplate or documentation, then that means 80 watts under bright sun at an unrealistically cool temperature. It is rare to see that power in real life, except when the perfect storm of conditions come together. There is also a PTC rating for some panels, which is more realistic. If the panel does not say STC or PTC, the manufacturer is free to make up whatever test they feel like, which generally leads to ridiculously overstated power. As for efficiency, for residential panels, that's generally only of academic interest. A 80-watt panel is 80 watts, regardless of the efficiency. A more efficient panel will take up slightly less space, but most people are more interested in the total price, since roof space is generally not an issue.
- Q: How much candle lights is required to operate a 205 watt solar panel?
- The intensity of direct sun is about 0,000 foot-candles. It would not be practical to light that many standard candles and put them foot away from the panel, but you could supply that intensity with electric lighting. That's in fact how they establish the power ratings of a given panel; they have a rig that provides a standard test condition of sun.
- Q: How do solar panels withstand hail or other weather conditions?
- Solar panels are designed to withstand various weather conditions, including hail. They are made with durable materials such as tempered glass and have a protective layer to prevent damage from hailstones. Additionally, they undergo rigorous testing to ensure they can withstand harsh weather, including hailstorms.
- Q: What is the impact of dust and dirt on solar panels' efficiency?
- Dust and dirt can significantly impact the efficiency of solar panels. When a layer of dust accumulates on the surface of the panels, it reduces the amount of sunlight reaching the solar cells, thereby reducing their ability to convert sunlight into electricity. This decrease in efficiency can range from a few percentage points to even as much as 20% in extreme cases. Therefore, regular cleaning and maintenance of solar panels are essential to maintain their optimal performance and maximize energy production.
- Q: how the energy of load connected to solar PV measure.?Want too the basic idea about it.The role of current flowing thrugh the load?Can u explain with example..can explain simply?Im not an electrical student so explain very basics
- Most PV solar panels are labelled with their peak power output - this is the maximum power (measured in Watts) which that panel can generate in full sunlight. Remember these simple formula- V=IR and P=VI The current flowing through load keep the flow of electrons and thus energy is produced.
- Q: Can anyone give me a simple but informative explanation on how solar panels produce electricity/power? Thank you!
- The the very first thing to comprehend is that there's not anything difficult approximately a sun panel. It is not anything greater than a number of sun or PV cells on a board that's outfitted to essentially the most suitable side of your dwelling, mostly at the roof. There are courses available in the market that educate you methods to construct a sun panel and a windmill for simply $a hundred and fifty, and it’s very handy to make. Best of all, you'll be able to keep 70% or extra for your vigour invoice, including as much as enormous quantities of greenbacks each and every yr in financial savings. I reviewed each unfastened courses and paid courses and feature arise with our most sensible to Build your possess sun panels.
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Best Inexpensive Solar Panels for Good Quality and High Efficiency
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2500 watt
- Supply Capability:
- 25000000 watt/month
OKorder Service Pledge
OKorder Financial Service
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