Consumer Reports Best Solar Panels - Solar Module Poly 305W
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Solar Module
ABOUT YINGLI GREEN ENERGY
Yingli Green Energy Holding Company Limited (NYSE: YGE) is one of
the world’s largest fully vertically integrated PV manufacturers, which
markets its products under the brand “Yingli Solar“. With over 7.0GW
of modules installed globally, we are a leading solar energy company
built upon proven product reliability and sustainable performance. We
are the fi rst renewable energy company and the fi rst Chinese company
to sponsor the FIFA World CupTM.
PERFORMANCE
- High effi ciency, multicrystalline silicon solar cells with high transmission
and textured glass deliver a module effi ciency of up to 16.0%,
minimizing installation costs and maximizing the kWh output of your
system per unit area.
- Tight positive power tolerance of 0W to +5W ensures you receive
modules at or above nameplate power and contributes to minimizing
module mismatch losses leading to improved system yield.
- Top ranking in the “TÜV Rheinland Energy Yield Test” and the
“PHOTON Test” demonstrates high performance and annual energy
production.
RELIABILITY
- Tests by independent laboratories prove that Yingli Solar modules:
Fully conform to certifi cation and regulatory standards.
Withstand wind loads of up to 2.4kPa and snow loads of up to
5.4kPa, confi rming mechanical stability.
Successfully endure ammonia and salt-mist exposure at the highest
severity level, ensuring their performance in adverse conditions.
- Manufacturing facility certifi ed by TÜV Rheinland to ISO 9001:2008,
ISO 14001:2004 and BS OHSAS 18001:2007.
WARRANTIES
- 10-year limited product warranty1.
- Limited power warranty1: 10 years at 91.2% of the minimal rated power
output, 25 years at 80.7% of the minimal rated power output.
1In compliance with our Warranty Terms and Conditions.
QUALIFICATIONS & CERTIFICATES
IEC 61215, IEC 61730, MCS, CE, ISO 9001:2008, ISO 14001:2004, BS OHSAS
18001:2007, PV Cycle, SA 8000
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
Open-circuit voltage Voc V 34.8 34.8 34.7 34.6 34.6
Short-circuit current Isc A 7.35 7.28 7.21 7.14 7.07
STC: 1000W/m2 irradiance, 25°C cell temperature, AM1.5g spectrum according to EN 60904-3.
Average relative effi ciency reduction of 3.3% at 200W/m2 according to EN 60904-1.
NOCT: open-circuit module operation temperature at 800W/m2 irradiance, 20°C ambient temperature, 1m/s wind speed.
OPERATING CONDITIONS
Max. system voltage 1000VDC
Max. series fuse rating 15A
Limiting reverse current 15A
Operating temperature range -40°C to 85°C
Max. static load, front (e.g., snow) 5400Pa
Max. static load, back (e.g., wind) 2400Pa
Max. hailstone impact (diameter / velocity) 25mm / 23m/s
CONSTRUCTION MATERIALS
Front cover (material / thickness) low-iron tempered glass / 3.2mm
Cell (quantity / material / dimensions /
number of busbars)
60 / multicrystalline silicon / 156mm x 156mm / 2 or 3
Encapsulant (material) ethylene vinyl acetate (EVA)
Frame (material / color / anodization color /
edge sealing) anodized aluminum alloy / silver / clear / silicone or tape
Junction box (protection degree) ≥ IP65
Cable (length / cross-sectional area) 1000mm / 4mm2
Plug connector
(type / protection degree) MC4 / IP67 or YT08-1 / IP67 or Amphenol H4 / IP68
PACKAGING SPECIFICATIONS
Number of modules per pallet 29
Number of pallets per 40' container 28
Packaging box dimensions
(L / W / H) 1700mm / 1135mm / 1165mm
Box weight 568kg
Unit: mm
• Due to continuous innovation, research and product improvement, the specifi cations in this product information sheet are subject to change
without prior notice. The specifi cations may deviate slightly and are not guaranteed.
• The data do not refer to a single module and they are not part of the offer, they only serve for comparison to different module types
- Q: Can solar panels be installed in areas with high seismic activity?
- Yes, solar panels can be installed in areas with high seismic activity. However, special considerations need to be taken into account during the installation process to ensure their stability and durability. Reinforced mounting systems and appropriate anchoring methods can be utilized to enhance the resistance of solar panels to seismic events. Additionally, regular inspections and maintenance should be conducted to identify and address any potential issues that may arise due to seismic activity.
- Q: Can solar panels be installed on flat surfaces?
- Yes, solar panels can be installed on flat surfaces. While it is more common to install solar panels on angled surfaces or rooftops to optimize their exposure to sunlight, flat surfaces can also be used. In such cases, mounting systems or support structures are used to tilt the panels at an angle that maximizes their efficiency.
- Q: How do solar panels impact the electricity bill?
- Solar panels can significantly reduce or even eliminate electricity bills as they generate clean and renewable energy from the sun, reducing the reliance on traditional grid electricity. By harnessing solar power, homeowners and businesses can offset their electricity consumption and potentially earn credits by feeding excess electricity back into the grid. This can lead to substantial savings and a more sustainable energy future.
- Q: How long does it take a 5 watt, 2 volt solar panel to charge a 2 volt R.V. battery?
- Most solar panels have something called a charge controller on them. This prevents electricity from going backwards from the battery to the panel. Solar panels are rated at 2V but they do put out a little more than that during full sun operation. You didn't specify the size of your battery but it really doesn't matter. It comes down to your consumption of power. If you are only charging the RV battery so it maintains a charge when you don't use it very much, a 5 watt panel is fine. It will charge the battery and keep the small drains on the battery from making it go dead ( the clock radio, the theft deterrent system, etc use power even when RV is off) But if you are using the battery to run things when you are parked, you probably don't have a big enough panel. If you use a 30watt fluorescent light and a 00 watt laptop, you need 30 watts of power saved up every hour in your battery and that's with no inefficiencies. So if your panel puts out 5 watts an hour and you are using 30 watts an hour, you need 30 watts/ 5 watts = 9 hours minimum of charge time to run your stuff for just one hour. You probably need a panel of around a 00 watts to get any meaningful use of your battery. Plus, you never want to run your battery to full drain because it ruins the plates inside the battery. Watts = volts x amps. If you have 2 volts panels, you would charge at 8 amps with a 00 watt panel. This is a good charge rate. Any more than this and you risk warping the plates with too much heat.
- Q: OK, so if you put solar panels up on a roof, they are busy turning the sun's energy into electricity. So, does that mean the roof (and therefore the house/structure) stays cooler as well? Or does it still get hot, because . . . I dunno, maybe the panels don't convert all the energy, and the spillover still heats up the building.Any links or URLs to scientific answers would be appreciated, but I don't mind hearing from the Average Joe or (Joelle).
- it would depend on the type of paneling. And compared to what. Since it absorbs solar energy, that includes some heat. Compared to white paint, which may reflect more of the heat, it depends.
- Q: Can solar panels be installed on bridges or highways?
- Yes, solar panels can be installed on bridges or highways. In fact, there are several projects around the world where solar panels have been installed on bridges and highway infrastructure. These installations not only generate clean energy but also utilize underutilized spaces, contributing to sustainable and efficient use of resources.
- Q: Does San Francisco get enough sunshine to really make solar panels a viable option for creating a self-supporting home? Certainly a wind turbine would be a good source of energy, but what about solar panels? Does S.F. get enough sunshine to justify using solar panels? It's overcast a lot in the Bay Area, are there any solar panels better than others for a climate like this?
- I just saw an episode of Renovation nation on Planet green. They built a house is Washington State that ran on solar. It was still hooked to the grid but it was project to be a net 0 home. So if they can do it there you should be able to do it. I have also been looking at solar. Good Luck.
- Q: How efficient are the solar panels....?
- There is over 000 watts of power in a square meter of sunshine. A square meter panel converts only about 20% of it into electricity (200 watts). At my workplace, I have a photo-voltaic solar panel electrical system. Its maximum capacity is about 25 kilowatts. On a sunny day it will produce about 80 kilowatt hours of electricity, but we average about 50 kwh/day. At current value, that adds up to a saving of about $4,000 per year, which sounds nice but that's only about a tenth of my total power bill. The system cost $00,000. Pay-back is 25 years (which by coincidence is the length of the warranty). To answer your question more directly: solar panels are not quite efficient enough to be economical.
- Q: Can you connect a solar panel to speakers that use a wall outlet plug, by cutting the plug off and connect copper wire between the solar panel and cord?Confusing i know. I'm trying to connect a solar panel to speakers for a science project.
- NO NO you will cause a fire and lots of damage. Do not play with the power from a wall outlet. Outlets supply 20 or 240 volts AC Your solar panel supplies low voltage (perhaps 2 volts) DC. The two are totally incompatible. Speakers require no power, just the audio signal from a power (audio) amplifier. .
- Q: okay so my teacher is trying to install a solar panel but we have a problem we don't know where to ground it because it will be a movil house. guys do you have any ideas?
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Consumer Reports Best Solar Panels - Solar Module Poly 305W
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