Polycrystalline Silicon Solar Modules 72Cell-310W

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China Main Port
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TT or LC
Min Order Qty:
1000 watt
Supply Capability:
10000000 watt/month

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1. Structure of Polycrystalline Silicon Solar Modules 72Cell-310W Description

Solar panels can be used as a component of a larger photovoltaic system to generate and supply electricity in commercial and residential applications.

-Tests by independent laboratories prove that  modules:

 Fully conform with certification and regulatory standards.

 Withstand wind loads of up to 2.4kPa and snow loads of up to 5.4kPa, confirming mechanical stability.

 Successfully endure ammonia and salt-mist exposure at the highest severity level, ensuring their performance in adverse conditions.

-- Top ranking in the “TÜV Rheinland Energy Yield Test” and the “PHOTON Test” demonstrates high performance and annual energy production.


2. Main Features of the Polycrystalline Silicon Solar Modules 72Cell-310W


- 10-year limited product warranty1.

- Limited power warranty1: 1 year at 98% of the minimal rated power

output, 10 years at 92% of the minimal rated power output, 25 years

at 82% of the minimal rated power output.

1In compliance with our Warranty Terms and Conditions.


IEC 61215, IEC 61730, MCS, CE, ISO 9001:2008, ISO 14001:2004, BS OHSAS 18001:2007, PV Cycle, SA 8000


3. Polycrystalline Silicon Solar Modules 72Cell-310W Images






4. Polycrystalline Silicon Solar Modules 72Cell-310W Specification


Electrical parameters at Standard Test Conditions (STC)
Power outputP maxW310
Power output tolerancesΔP maxW0 / + 5
Module effi ciencyη m%16
Voltage at PmaxV mppV36.3
Current at PmaxI mppA8.53
Open-circuit voltageV ocV45.6
Short-circuit currentI scA8.99


5. FAQ of Polycrystalline Silicon Solar Modules 72Cell-310W

Q1:Can we visit your factory?

A1:Sure,welcome at any time,seeing is believing.

Q2:Which payment terms can you accept?

A2:T/T,L/C,Moneygram,Paypal are available for us.




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Q:solar panel design question?
Because we and the trees are trying to solve a different problem. We want electricity, a tree wants light (and some heat) for photosynthesis. In getting the electricity we use Silicon for solar panels. (Sometimes Gallium Arsenide). And we exploit the same thing in Silicon that allows them to be computer chips. The fact that they conduct differently when voltage is applied. But for a solar panel that is done essentially in reverse. We GET a voltage difference (electricity) from shoving energy through it. Look up junction bias on google or yahoo for explanation. But the DESIGN problem is: You have to couple these panels together the right way - according to their bias. You can't string them up willy nilly. There is a pattern. And when one breaks in this pattern. (I mean when the actual panel cracks, which they do easily as they are brittle). It can change the overall bias. This can make even be worse than if it was removed, it can actually fight against the working ones. The efficiency is there in arranging them like a tree, but the practicality of maintenance would be daunting.
Q:Solar panel wiring trouble.?
You are probably wiring them incorrectly: with the positive on panel A connected to negative on panel B; and the negative on panel A connected to the positive on panel B. If you want then connected in parallel, connect the positive on panel A to the positive on panel B and the negative on panel A connected to the negative on panel B. But you will only get vdc. You can't get .5 volts from two volt sources. You can get 2 volts by connecting the panels in series.
Q:Solar panels and your opinion?
Solar power is still an expensive way to purchase power, as of 2007, it was 38 cents per kwh while the cost of power from coal is 0.6 cents per kwh. Of course regulations have prevented new coal power stations from being built so it's really natural gas power stations at 5 cents a kwh that solar has to compete with. Solar is dropping in price but the best you can hope for is for it to reach parity with natural gas someday soon and it hasn't yet. The other issue is that you pay up front for solar power which as any economist will tell you is even more expensive and involves greater risks. However, as part of a strategy to become as self reliant as possible when you retire and have a fixed income, it's a reasonable prospect, not only will the technology become less expensive by then but at that point, fixing the price of the energy costs is more valuable than the cost of the energy. Focusing on personal finance and learning how to invest which very few people know how to do is more important right now. When you retire, hopefully you can afford to build a passive solar home with photovoltaic solar panels and wind turbines but still on the grid for efficient net metering and with a greenhouse where you can grow the staples that you need and perhaps even some biodiesel for your google driven car. Having a reasonable portfolio is really the only way to achieve that goal.
Q:Solar Panels power help?
You have to look carefully at your battery choice. If you use lead-acid, use only the sealed type. Then you need to select a battery charger that is tailored to that battery type. If you want to run 700 watts for 6 hours, that is 0kwhrs. A 200 watt panel will take 50 hours to charge that, probably more like 70 to allow for losses. Even is S CA you don't get 70 hours of sun per day. Even for 3 hours of nite use, that still needs 25 hours of sun. So you need much more than a 200 watt panel. Bottom line, you need to calculate your needs much more carefully. PS, 700 watts is very large. Check it. Are you using all that stuff at the same time?
Q:best value solar pv panel ?
Solar okorder.com/
Q:anybody owns a house solar panel system does it really save you money on electricity?
We okorder.com/
Q:A question about Solar Panels?
Take a look on OKorder at some of the books on how to design solar energy systems. It is a bit more complicated than you might expect. I'm not sure what you consider to be a standard solar panel, but the 3' ones I have produce about 5 watts of power in full sunlight. Put simply, you need to convert the power from the solar cells (variable voltage) into a constant voltage usable for charging a batteries. Most of the low cost modules for this purpose can't handle more than about 00 watts. Larger systems are available that handle thousands of watts but they are quite pricey. Since you can't take out more than you put into your battery system, you can calculate about how long you can run a high-current appliance based upon its wattage rating, that of the battery system (adjusted for loss of converting to AC), and the charging system.
Here is an article about this. They use the poles (which they already have) and install power panels, the electricity is given into the grid. There are companies in NJ which use google earth to find buildings with large roof tops (imagine all the warehouses !), contact them and lease the rooftops to install solar panels, there a different ways how to finance that (by them, by the company, ....) and they sell the electricity into the grid and receive a certain price for this. Usually the refinancing is 5 - 7 years of the investment, after this is profit for additional 5 - 20 years. Walmart had a project to put solar panels on the super centers ....
Q:Solar Panel questions...?
the first person is absolutely wrong. A 200 watt panel is $000US. By the time you buy mounting systems, wire, inverters, electric panels, interconnects, labor and permits/inspections, the cost is about $7/watt. if you use 700 kw-hr (please look at the units, you use kw-hr NOT kw) per month that 24 kw-hr per day. in your area, a pv system will supply about 4 hours at peak production of the panels, so you will need 6kw in panels, that's about 30 panel or $42,000 in equipment.
Q:how the energy of solar panel measure?
A solar panel is made up of solar cells. Each cell produces about 0.5 to 0.6 volts. Cells are connected in series, like the batteries in a flashlight. Enough cells are placed in series to produce the desired voltage. Cells produce very little current, so many strings of cells are connected in parallel to produce sufficient current. The output is direct current (DC), like that from a battery. A home solar system needs alternating current (AC), so an inverter is used to change from DC to AC. Some systems have batteries for backup power. In these some of the DC output is used to keep the batteries charged. Systems are measured in kilowatts. System sizes are chosen to meet the demands for electricity. My system has a 6 kilowatt (kW) rating. The true output is more like 4. Now that you know this much you can Google SOLAR SYSTEMS to learn more.

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