solar panel

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solar panels from 5W--300W, made of TAIWAN MOTECH brand cells,with CO in TAIWAN,Mono and Poly with VDE,IEC,CSA,UL,CE,ISO.

We import solar cells from Taiwan Motech brand, with this CO in taiwan and our CSA certification,we can still sell goods to Anti-dumping areas like USA. Our main products are solar panels, off grid and on grid solar home systems , solar street lighting systems, solar water heating system,solar pump,solar attic fan, solar DC LED lights and solar DC refrigerators.

Certificates : ISO, CE, VDE IEC, MCS, CSA-UL, CEC.
Delivery time: sample 10days, order 25-30days.
Sample: charged.
Payment term: T/T 30% as deposit, 70% before shipment. Or irrevocable L/C at sight.
Trade term: FOB Shenzhen or CIF destination seaport or Airport.


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Q:Question about using solar panels......?
I don't think it is enough solar power. Your motor requires .5A x 9V = 3.5 watts. The solar cells are .450A x 4V x 2ea. = 3.6 watts, .2A x .5V = .3 watts, .A x 9V = .9 watts total solar = 4.8 watts. The problem with connecting the cells in series to get the right voltage, like the two 4V cells in series with the .5 volt cell (total 9.5 volts) is that the .5 volt cell limits the maximum current to only 0.2A. If you paralleled that with the 9V cell, you would get 9 volts at 0.2 + 0. = 0.3A, too low to operate the motor at its design current and voltage. The best you could do is put the two 4V cells in series, and in parallel with the 9V cell (a blocking diode might be a good idea, but probably not required for such a small array). That way you get 8 volts at 0.55 amps.
Q:how to build a solar panel?
Can you show us how to build a solar panel ?
Q:What equation would i need to determine the raise in temperature of water going through a thermal solar panel?
Forget the long winded discussion above. There are so many variables that you cannot calculate the outcome. This does not mean that the experiment is a failure. It gives you information on the fact that water can be heated in this manner, and that you can vary the result by modifying the variables.
Q:Do grid-tied solar panel systems have to be installed professionally?
Depending okorder.com/
Q:2 Questions on Solar Panels?
The available energy is a function of several factors including insolation (sunpower) mounting angle, gathering area, type of cell and conversion efficiency.
Q:I have a 6v solar panel , but a 3v dc motor doesn't run with that!!!!?
BECAUSE IT COULD ENOUGH SUPPORT ENOUGH CURRENT, VOLTAGE DROPS DOWN NEAR V WHILE OVERLOADED WITH MOTOR. BUY A VERY LARGE SIZE SOLAR CELL WILL FIX IT.
Q:Do solar panels add to global warming?
As far as it goes, you're right: putting up a big black object increases the total amount of energy absorbed from the sun. But that's only part of the story. If you didn't put up the solar panel, the same radiation would hit the earth. The earth already absorbs 2/3 or so of the energy that comes in (albedo .30), so adding even a perfectly black object increases it only by 50%. But it's not even that much, because most of the extra energy absorbed is converted into electricity. Solar panels are about 0-5% efficient, so half of the extra energy is turned into electricity rather than heat. Eventually it's put to use and turned into heat, but that heat was going to come from somewhere else anyway. (Even if it's just powering your DVD player, it turns into heat just the same as if you were using it to heat your house.) If you dig up a gallon of petroleum or fission a microgram of uranium, that's heat introduced into the earth's atmosphere. And these processes are inefficient: between generation and transmission you lose about 75% of the energy, meaning you've introduced 4 times as much energy into the atmosphere as you've actually used. So with a solar panel, you add extra heat to the earth by about 25% of incoming solar radiation, but you've offset external costs by about 45% of incoming solar radiation. The net effect is to cool the earth. And that assumes that the solar panel itself is perfectly black, which isn't the case. Real commercial solar panels have an albedo of about .35, which makes them more reflective than dirt and considerably more reflective than asphalt shingles, which have .03 albedo. In other words, even if you didn't actually use the solar panels for electricity, they'd be cooling the earth just by reflecting energy back into space more than your regular shingles.
Q:Which solar panel should I choose?
the two may well be extra effective. while it particularly is cloudy and little solar (wintry climate) you have got a breeze. while it particularly is nonetheless and sunny, you have the solar. while the batteries are charged, extra potential from the windmill would nicely be shunted right into a resistance heater in a water tank, preheating important different and infants water, reducing that cost. draw back of windmills: there is a few noise. you do choose a tower of a few variety to get above treeline. it particularly is mechanical, so it particularly is going to choose periodic upkeep and would injury, or will placed on out, or be broken in a windstorm. Panels will final for some years, in simple terms would desire to be wiped sparkling of snow interior the wintry climate, and washed off, in case you reside in a dusty section. they are hard, however the glass would nicely be broken.
Q:Why do solar panels produce zero energy?
Solar panels are a little like batteries or christmas lights, they are often connected in series, if something is wrong in a string of them, current simply won't flow just like how all the lights in some christmas lights go out if one bulb goes out and you have to find the bad bulb by replacing bulbs one at a time.
Q:do solar panels work in aeroplanes?
Depends on the efficiency of your solar panel, but it is highly unlikely that the light in an airplane is enough to do much. I'm not discouraging the solar panel altogether. It just isn't an indoors especially if it is dim on the plane. Most that I've been on turn off the lights and then leave it to the individual to turn on the single over head reading light.

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