• 245W Poly solar Panel Medium Solar Panel Manufacturer in China CNBM System 1
  • 245W Poly solar Panel Medium Solar Panel Manufacturer in China CNBM System 2
245W Poly solar Panel Medium Solar Panel Manufacturer in China CNBM

245W Poly solar Panel Medium Solar Panel Manufacturer in China CNBM

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Qingdao
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TT OR LC
Min Order Qty:
10 set
Supply Capability:
300000 set/month

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Polycrystalline Solar Modules

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

 

 

 

245W Poly solar Panel Medium Solar Panel Manufacturer in China CNBM

245W Poly solar Panel Medium Solar Panel Manufacturer in China 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

 

Q:With no moving parts, no fuel piping and so on...
ITS TO DO WITH THE PRODUCTION PROCESS
Q:I was thinking of having some installed on our rooftop and was wondering if it would be worth the cost? The house is located in Sac, Cali. The panels would face the sun 2 months out of the year and in the summer roughly 4 hours of straight sun.
You okorder /
Q:How do solar panels affect wildlife?
Solar panels can have both positive and negative effects on wildlife. On the positive side, solar panels can provide a habitat for certain species, such as birds or insects, as they can create shaded areas or serve as perches. Additionally, solar farms often have vegetation underneath or around the panels, which can attract and support a diverse range of wildlife. However, there are also potential negative impacts to consider. Large-scale solar projects can disrupt or destroy natural habitats, leading to the displacement or loss of certain species. Additionally, solar panels can pose a risk to birds and other flying animals if they are not properly designed or installed. Glare from the panels may also impact wildlife behavior or migration patterns. Overall, it is important to carefully plan and manage solar installations to minimize any negative impacts on wildlife while maximizing the benefits they can provide.
Q:My solar panel is 24long..It is set at 45deg..the arms are 8quot;long to achieve that angle for winter. I need to get to 7deg for summer..how long will the new arms need to be?..in layman's terms please...thx
2.20 approximatey (2 /4 -- ish) X = (tan7)(8/tan45)
Q:Also, what's the solar panel's rate of producing electricity?
Natural gas is stored energy- once you use it up it's gone. Solar panels make energy for decades. Thin film solar is around 0% while crystalline silicone might be around 25%.
Q:I know that one LED can't power a solar panel. I have found 40 kmcd LED's on OKorder. I know that several of them (28 totale each one with a 470 ohm resistor all at 2 VDC) can show a reflection on a wall in daylight 60 feet away..
The 40 kmcd rating is a measure of luminous intensity (how bright it looks), not a measure of output power of the visible light. We can estimate the performance of your proposed system as follows: The LEDs on OKorder each are rated about 20mA maximum at about 3.2V, or 64mW (milliwatts). If you use 470 ohm resistors connected to 2VDC, the current that will flow, per LED, will be about: (2V-3.2V)/470ohm = 0.0872A = 8.72mA The power taken from the 2VDC power source will be: P2v = 2V x 8.72mA = 224.6mW (per LED) The power input to each LED will be about: Pled = 3.2V x 8.72mA = 59.9mW (per LED) The LED has a luminous efficiency that can range from about 4.2% to 22%. This efficiency is the ratio of the amount of visible light output (in watts) divided by the input power (in watts). The OKorder listing doesn't identify the output power level (either in watts or in lumens), so let's assume a 0% efficiency. The LED output power will be about: Pout = 59.9mW x 0% = 5.99mW (per LED) A solar panel converts visible light to electrical energy with an efficiency that ranges say about 6% to 8%. Suppose the solar panel efficiency is 2%. Then the electrical power output by the panel will be about : Pe = 5.99mW x 2% = 0.72mW (per LED) If you shine 00 LEDs on the panel, the output electrical power will be 00 times that amount: Pe00 = 0.72mW/LED x 00 LED = 72mW <===ANSWER The power taken from your 2V source will be about: P2V00 = 224.6mW/LED x 00 LED = 22460mW = 22.46W The system efficiency will be about: Eff = solar output / battery input = Pe00 / P2V00 = 72mW / 22460mW x 00% = 0.32% SUMMARY: If you shine 00 of the LEDs on the panel, you will capture back about 0.32% of the energy expended, or regain about 72mW.
Q:For part of a school project how would I charge a car battery with a solar panel? The panel is 48V and 6A. This needs to be low budget so I can't buy an expensive controller, Is that the only way or are there other ways of doing it?
48 volts is rather uncomfortable. I would be inclined to modify the panel by cutting traces to give me a number of 5 volt sets. Most PV cells output about 700 mV, but check to see what yours does. Measure one cell, or count the number of cells and divide into the panel voltage. If you work with the 48 volt output, you are throwing 70% of the output away. The classic method of charging a lead/acid battery is to use the 0 hour rate...a 200 AH battery is charged at 20 amps. However if the charge is to be near continuous during daylight, I think I would go a little lower...say 5 amps in order to be kind to the battery. I note that your panel has a 6 amp output, so when you modify it, it should be able to deliver about 8 amps. A useful trick is to use car headlamp bulbs in series. The filament has a high positive thermal coefficient of resistance, and tends to act as a current regulator. In this case, I would use two dual filament bulbs with their filaments in parallel, arranged in series.
Q:Can solar panels be installed on a car?
Yes, solar panels can be installed on a car. Solar-powered cars have been developed and are being used as a means of reducing carbon emissions and increasing energy efficiency. These panels are typically mounted on the roof or hood of the car to collect sunlight and convert it into electricity to power the vehicle's functions. However, the amount of energy generated by these panels may be limited, and they are usually used as a supplemental power source rather than the sole means of propulsion.
Q:Can solar panels be used to power a cruise ship?
Yes, solar panels can be used to power a cruise ship to some extent. However, due to the large energy requirements of a cruise ship, solar power alone may not be sufficient to provide the necessary electricity for all onboard facilities and operations. It is more common to integrate solar panels with other power sources, such as traditional fuel-based generators, to supplement the energy needs of a cruise ship.
Q:Can solar panels be installed in a community or neighborhood?
Yes, solar panels can be installed in a community or neighborhood. In fact, many communities and neighborhoods are increasingly adopting solar energy as a sustainable and clean alternative to traditional power sources. These installations can be done on residential rooftops, community buildings, or even as shared solar projects where multiple households can benefit from a single solar installation. Installing solar panels in a community or neighborhood not only helps reduce carbon emissions but also promotes energy independence and cost savings for residents.

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