300W Poly solar Panel Medium Solar Panel Factory Directly Sale CNBM

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10 set
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300000 set/month

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Product Description:

Polycrystalline Solar Modules

CNBM offers a range of small, medium and large polycrystalline solar modules, designed for a range of requirements.

 

 

300W  Poly solar Panel Medium Solar Panel Factory Directly Sale CNBM

300W  Poly solar Panel Medium Solar Panel Factory Directly Sale CNBM

Specifications:

Tolerance

+/-3%

Cell

Polycrystalline silicon solar cells (156 x 156mm)

N0. of Cells

60 (10 x 6)

Dimension of Modules (mm)

1650 x 990 x 40

Weight (kg)

25.5

Limits:

Operating Temperature

-40~+85?

Storage Temperature

-40~+85?

Maximum System Voltage

1000 VDC max.

Hail Impact

Diameter of 28mm with impact speed 
of 86km/h

Temperature and Coefficients:

NOCT

48C+/-2?

Voltage temperature coefficient (%/K)

-0.35

Current temperature coefficient (%/K)

0.05

Power temperature coefficient (%/K)

-0.45

Characteristics:

Model:

SGM-200P

SGM-210P

SGM-220P

Max-power voltage Vmp (V)

29.2

29.4

29.41

Max-power current Imp (A)

6.85

7.14

7.48

Open-circuit voltage Voc (V)

36.5

36.69

36.9

Short-Circuit Current Isc (A)

7.28

7.6

7.93

Max-power Pm(W)

200

210

220

 

Model:

SGM-230P

Max-power voltage Vmp (V)

29.8

Max-power current Imp (A)

7.72

Open-circuit voltage Voc (V)

37.31

Short-Circuit Current Isc (A)

8.19

Max-power Pm(W)

230

STC: Irradiance 1000W/m2, module temperature 25?, AM-=1.5

Poly Crystalline Solar Panels Specifications Range

Maximum Power (Pm)

Dimension

Weight

Operating Voltage (Vmp)

Operating Current (Imp)

Open Circuit Voltage (Voc)

Short Circuit Current (Isc)

0.45W

140x80x10mm

0.08kg

3.3V

150mA

4.6V

160mA

1.0W

162x140x10mm

0.16kg

7.5V

150mA

10.3V

160mA

4.5W

269x251x23mm

0.8kg

16.5V

0.27A

20.5V

0.3A

10W

420.1×268.9×22.6mm

1.92kg

17.5V

0.58A

20.5V

0.6A

20W

425x502x50mm

3.0kg

16.8V

1.19A

21.0V

1.29A

30W

593x502x22.6mm

3.9kg

16.8V

1.78A

21.0V

1.94A

40W

655x537x50mm

5.75kg

17.3V

2.31A

22.1V

2.54A

50W

839x537x50mm

6.0kg

17.5V

2.9A

21.8V

3.17A

65W

1111x502x50mm

7.2kg

17.6V

3.69A

22.1V

3.99A

80W

1204x537x50mm

7.7kg

17.6V

4.55A

22.1V

4.8A

 

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Q:solar panels on housing developments?
Because not only does that just make TOO much sense, it comes down a cost factor, even though, as you say, what's another couple K for saving the environment. Sad thing is, even though they *JUST* figured out that global warming (loved that news story a couple weeks ago) is caused by humans abusing the earth, Americans especially just don't care enough. Our culture is so spoiled now that we refuse to be told what we need if it's not what we want or if it will cost us $5 extra.
Q:What is a good solar panel to buy?
you are able to desire to be greater specific approximately what variety of image voltaic panel. a million) PhotoVoltaic (produces electrical energy) 2) Fluid (Glycol) (heats water or air making use of a warmth substitute tank) 3) Fluid (Water) for pool water heating
Q:Why don't scientists use the design of a tree for solar panels?
From the vantage point of a scientist and an engineer, you have a whole host of problems to overcome. The mass of solar cells cannot be supported by most leaves much less allow the leaves to turn toward the sun as they naturally do. The wood and other structures of a tree are terrible conductors and wouldn't serve as efficient power transmitters. There are issues of damaging the health of the tree by interrupting the process of photosynthesis in favor of solar energy collection, and many other issues. However, I can tell you that solar power does use several principals that you have observed in trees. For example, solar collectors are almost always oriented to face toward the sun. Many adjust with the time of day and seasons to be optimally oriented to collect the sun's rays. Much like leaves in many plants are not static but change position to optimize their angle to the sun. Also, many solar cells are now designed with a membrane structure which offer several advantages. So you see many of your observations have found their way into practical application in solar power production.
Q:Nuclear reactors vs. Solar panels?
There's no standard nuclear reactor, but if we take a GW nuclear plant, it can generate about 8 terawatt-hours/year. A 200 watt solar panel can generate about kilowatt- hour/day, or 365 kwh/year, so that's about 2 million 200 watt solar panels. However, the power output from the nuclear plant is controllable by the operators, where solar panels only operate at full output for a few hours/day (on clear days - less if there's cloud). Therefore, to compare the two, you have to factor in some kind of energy storage or backup which will increase the cost of the solar installation (perhaps by a factor of two or more). Despite claims of solar being cheaper than coal now, when one compares apples to apples (i. e. total energy produced, and controllability) solar is still several times more expensive than coal, and about twice as expensive as nuclear even in the U. S. A gram of U-235 can make usable energy equal to three metric tons of coal. Solar energy production has no hazardous by-products, but manufacture of the panels can involve some very hazardous materials like fluorine (for silicon panels) or cadmium (for CdTe panels). This is part of the reason panel manufacture has gone to Asia - they have fewer environmental regulations and it's easier to dispose of the byproducts of production. DK
Q:Is anyone using small solar panels in their home with any practical results?
I okorder.com Hope this helps.
Q:Solar Panel Circuit Question?
I suspect the voltage is OK but the amount of current the solar cell is capable of delivering is less than the relay coil needs to operate. The current the relay tries to draw overloads the PV. You need to add additional PVs in parallel to operated the relay coil. An alternative is to use a low current draw relay coil or use a transistor switch. Hope this helps, NewtonLaw
Q:Why do people use solar panels?
All of the above plus freedom and being part of the solution instead of the problem. Energy is doing nothing but costing more. Once you buy a solar panel your price is frozen for the life of the solar cell. They last at least 30 years maybe up to 50
Q:Parts needed to build a solar panel?
Most okorder.com/ . If you had an array of 0 or more panels, it would usually be cheaper to get a single, large inverter. The usual path taken with homemade panels seems to be using them to charge a battery, then running things of the battery. And it's usually a fun thing to do, but not a way to save money. Just so you know.
Q:Solar panel connected to battery ??
You really need a little more infomation about your battery. It should have a recommended range of charging current. You should not exceed that range. Your solar cells must be a higher voltage than the battery, but you should not connect the cells directly to the battery. First, you need a diode in the line to keep the battery from draining into the solar cells when there is no light. Second, you need a resistor to limit the charging current. You have a 3.6v battery. Let's say the charging current is 0.A. Use a 5v solar cell and silicon diode. The diode will drop the cell voltage to 4.3v. The voltage across the resistor will be .7v for .A current, you need a 7-ohm resistor.
Q:What size and watt solar panel?
I think that typical solar panels are 2'x4' and produce something like 800-000 wh per day. (That's 0.8 - kwh per day.) More in the summer, less in the winter, if they're aimed sort of at the sun. There are newer, more expensive panels that produce more. There are also thin film panels that are less expensive, and probably more sturdy. You then have a couple choices. In a house, you'd have an expensive inverter to connect to the utility power, so you can have power at night when your panels aren't generating anything. In a trailer, you want 2-4-6 deep cycle car batteries to store the power. Then you could have an inverter to convert that power to 20v AC, so you could use normal appliances. Or, you could buy appliances that run on 2 volts DC. Maybe a combination of both. You'll need to figure out how much power you're going to use, so you know how many panels and batteries you're going to need. The calculation is easy. Figuring out how much power you need is hard. You need deep cycle batteries because you can repeatedly charge them way up and run them way down. Ordinary batteries die fairly quickly when you do that.

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