Solar Panel 315W Polycrystalline Silicon

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Loading Port:
Guangzhou
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Min Order Qty:
200000 watt
Supply Capability:
20000000 watt/month

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Product Description:

Solar cell module production process

Line called packaging line components, packaging is the production of solar cells a key step in the packaging process without a good, multi-well battery is also not a good component of production boards. Battery package not only the battery life is guaranteed, but also to enhance the combat strength of the battery. Product quality and high service life is to win can be the key to customer satisfaction, so the quality of components of the package board is very important.  

 

Process is as follows:  

1, the battery test

2, positive Welding - Inspection –

3, on the back of cascading - Inspection –

4, laying (glass cleaning, material cutting, glass pre-processing, laying) –

5, laminating –

6, to flash ( to the side, cleaning) –

7, fitted border (glue, loading angle keys, punching, install box, scrub I glue) –

8, the welding junction box –

9, high-pressure test –

10, component testing -- -

11 appearance inspection, packaging and storage; 

 

Solar Panel 315W Polycrystalline Silicon

 

Data sheet

Maximum power

315W

Cell type(mm)

Polycrystalline solar cell 156*156

Number of cell(pcs)

72(6*12)

Manufacture site

China

Open-circuit voltage(voc)

45.1V

Maximum power voltage(vmp)

37.3V

Short-circuit current(isc)

8.88A

Optimum operating current(imp)

8.45A

Power tolerance

0~+5W

Module efficiency

16.2%

Dimensions(mm)

1956*992*40

Weight

27 kg

Backsheet

Silver

Frame Colar

White

Frame

Anodized Aluminum Alloy

 

 

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Q:Do you need to pay for electricity if you have solar panels?
No standard home can operate on solar panels alone unless there is about an acre or more of them. Plus, they require lots of batteries and complicated switching devices. And, they are very expensive, so rarely pay back their up front cost. Right now, more of a gimmick than a practical solution to power needs in the home. The house you're looking at may use it to power emergency lighting in case the grid went down. Or maybe a small fan to exhaust heat out of the attic. Who knows. Just have to ask.
Q:A question about central a/c and roof solar panels?
Solar okorder.com/
Q:How to charge a Battery with Home Electricity and Solar Panel together?
connect the solar panel to the Battery direct during the day time that's how it works in ALL situations !
Q:How many Solar Panels do I need?
Everyday I use ,280 kWh 280 kW-hour / 24 hours = 470 kW WOW, that is a very high power level, most homes use an average of .2 kW. My guess is that you mean you use 280 kW-hour in a year, which comes to an average power of .3 kW, typical. Assuming you get, worse case, 6 hours of sun per day, for the first case, 470 kW, each solar panel generates the equivalent of 250 x6/24 = 60 watts, so you would need 470k/60 = 8000 panels For the second case, .3 kw or 300 watts, divided by 60 that is about 20 panels. Depending on where you live, you could need as much as twice that number. Plus you need charge controller, lots of expensive batteries, and an inverter. The big problem is periods of no sun. If you demand continuous power, and you have a period of, say, 24 hours with no sun because of storms, etc, then the number of batteries increases to the hundreds.
Q:Best orientation for my solar panel?
Typically, solar panels are installed facing the same as your latitude = 2 degrees to the North measured from horizontal. 60 degrees from vertical = 30 degrees from horzontal will give almost as much power in June as in December = beginning of Summer. You can face your panels straight up = zero tilt from vertical = better for December/ not so good in June. Usually, the same tilt as your North facing roof is best as it simplifies installation and reduces wind loading. Shade from trees etc will much reduce the power you get. Neil
Q:Cost and energy generated by solar panel?
A little more than 0 watts per square foot, so that size panel would generate 250 watts under ideal conditions, which is noon on a sunny but not too hot day, near the equator. That's about /3 horsepower, or the same power as a man working hard. That is larger than needed to keep the battery of the car charged, unless you plan to run a laptop or something off it at night. The power is also too small to power the car for driving. If it's an electric car, you could get maybe another 2 miles per day out of the car, again, under ideal conditions. An RV store might have an idea of how much installation would cost. They would be accustomed to solar panels for RV's, but probably not small cars. A panel of that size would cost perhaps $500-800 just for the panel.
Q:Where are solar panels used?
This Site Might Help You. RE: Where are solar panels used? Where in the world are solar panels used. If it is used widespread across a continent just say which continent, other than that, just name the country. So where are solar panels used often?
Q:Solar Panel System at Harbor Freight?
i wouldn't. - harbor freight isn't known for the best quality stuff. - 75 watts assumes roof mounting, at 90 degrees to the sun, on a bright day. you're going to get considerably less. and only when the sun is highest in the sky. maybe you should look at, your computer, for example. if you're using it for 4 hours, and it has a 500 watt power supply, and you add 200-500 watts for the monitor, and some for the printer, modem, etc, you'd use 5kw that day. your 75 watt panel, generating maybe 50 watts at most, for maybe 4 hours when the sun was highest, and shining directly on the panel, would generate 200 watt hours. it would take 25 days to generate the electricity you'd use in single day. in the winter, you'd be pretty much out of luck. there just isn't enough bright sun. clearly, it's up to you, but there's a harbor freight near me, and i'll not be rushing out to get such a system. further, most appliances are quite voltage sensitive. you really do need to have the voltage in the 0-20 range. too much out, either higher or lower, will shorten the life of appliances at best.
Q:WHAT ARE THE SOLAR PANELS ON POWER POLES?
I work in NJ and we started seeing them around our industrial park. I think it's probably some scam for the most part. Each panel isn't going to put out more than a few volts. Because they are so widely distributed about the only thing they might be good for is lighting a sodium bulb or something. A much more effective use if it was a serious / more efficient/effectively designed project, we'd probably be seeing farms of panels going up all over the place and on the tops of big-box buildings, but I'm not seeing alot of that.
Q:Why do glass covers improve the efficiency of solar panels?
Clear glass will allow most of the electromagnetic energy of sunlight into the air-tight volume of the solar panel. The light strikes the black coated metal tubes and the black coated backing, and is absorbed as heat. Part of this heat will radiate as infrared radiation, and much of this will leave through the glass. But a great deal of it will initially remain in the metal as heat. This heat will be partially transferred to the surrounding air, but because the glass stops the mixing of this air with the rest of the atmosphere, this heat will stay mostly contained within the solar panel. If the glass were not there, there would be a huge loss of heat into the surrounding air.

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