Free sample for Poly-crystalline Solar Panel 100W in French

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Technical parameter

Maximum Power(W)                       100W

Optimum Power Voltage(Vmp)        17.87V

Optimum Operating Current(Imp)    5.60A

Open Circuit Voltage(Voc)               21.45V

Short Circuit Current(Isc)                 6.17A

Mechanical Characteristics

Cell Type Polycrystalline                  156x104mm (6 inch)

No of Cell                                36 (4x9pcs)

Dimensions                            1120x678x35mm

Weight                                    9.7KGS

Front Glass                            3.2mm,High Transmission, Low Iron,Tempered Glass

Junction box                                      IP65 Rated

Output Cable                                     TUV 1×4.0mm2/UL12AWG,Length:900mm

Temperature and Coefficients

Operating Temperature(°C):                -40°C ~ + 85°C

Maximum System Voltage:                   600V(UL)/1000V(IEC) DC

Maximum Rated Current Series:         15A

Temperature Coefficients of Pmax:     -0.435%

Temperature Coefficients of Voc:        -0.35%

Temperature Coefficients of Isc:           0.043%

Nominal Operationg Cell Temperature (NOCT): 47+/-2°C

Materials of solar panel

1).Solar Cell——Polycrystalline solar cell 156*52mm

2).Front Glass——-3.2mm, high transmission, low iron, tempered glass

3).EVA——-excellent anti-aging EVA

4).TPT——-TPT hot seal made of flame resistance

5).Frame——anodized aluminum profile

6).Junction Box——-IP65 rated, high quality, with diode protection

Superiority: high quality anodized aluminum frame, high efficiency long life, easy installation, strong wind resistance, strong hail resistance.

Features

1. High cell efficiency with quality silicon materials for long term output stability

2. Strictly quality control ensure the stability and reliability, totally 23 QC procedures

3. High transmittance low iron tempered glass with enhanced stiffness and impact resistance

4. Both Poly-crystalline and Mono-crystalline

5. Excellent performance in harsh weather

6. Outstanding electrical performance under high temperature and low irradiance 

Quality assurance testing

Thermal cycling test

Thermal shock test

Thermal/Freezing and high humidity cycling test

Electrical isolation test 

Hail impact test

Mechanical, wind and twist loading test

Salt mist test

Light and water-exposure test

Moist carbon dioxide/sulphur dioxide

This is the story of a rogue star that passed through our solar system as recent as 70,000 years ago.

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If you enjoyed this video, then let me know and i will start making current science news videos as well.

70,000 thousand years ago, an alien passed though our solar system. But not a little green man in a flying saucer, a big ball of burning gas. Astronomers have discovered that a real shooting star, came five times closer than our current nearest neighbor Proxima Centauri.No other star is known to have approached this close to us. The object, a red dwarf nicknamed Scholz’s star, cruised through the outer region of the solar system known as the Oort Cloud. The essentially failed star, wasn’t alone either, it was accompanied on its travels by an object known as a brown dwarf making it a binary star system. Astronomers discovered that the dim stars passed a very close 0.8 light years from the Sun, in comparison, our closest neighboring star Proxima Centauri is 4.2 light years away. Researchers observing the stars found that by recording the change in distance from the Sun to the stars and the star’s motion across the sky they could determine the trajectory of the ancient objects. By tracing its movements back in time, they found its close shave with the Sun occurred as recent as 70,000 years ago. The binary star system has a low mass and it was speeding by our solar system at the time which means that the effects caused on the Oort Cloud were very small. Currently Scholz star lies around 20 light years away in the constellation of Monoceros, so at least we haven’t got to worry about that happening again. Or maybe we have… Dr Mamajek of the University of Rochester estimates that a rogue star probably passes through the Oort Cloud every 100,000 years, or so. But he also suggests that an approach as close as the Scholz’s star is somewhat rarer, and is only estimated to occur once every nine million years. Until now, the top candidate for the closest predicted flyby of a star to the Sun was HIP 85605, which is predicted to come close to our Solar System in 240,000 to 470,000 years from now. So the Scholzs star really was to close for comfort and it may of even been visible to the naked eye all those years ago. So Let’s just hope that another one of these infiltrating stars, doesn’t head our way any time soon.

So theirs a story about a rogue star that if it had been around 1 light year closer, you wouldn’t be here and watching this video, so to celebrate hit the like button and if you haven’t already subscribe for much more to come.

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How to build a solar panel at home, full instruction

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More people are seeking to acquire houses in the distance from the centers of civilization. There are many reasons for this, chief among them, perhaps, environment. It’s no secret that the intensive development of industry bad for the environment. But when buying such a home may experience the lack of electricity, without which life in the twenty-first century can hardly be imagined.
The problem of providing energy building located far from the centers of civilization may try to solve the installation of wind turbine. However, this method is not ideal. In order to have enough power for the whole house will need to install a wind turbine or a few large, but in this case, the power supply will be of an episodic nature, being absent in calm weather. To ensure the stability of power supply at home, an effective solution is to share the wind generator and solar panels, but, unfortunately, the batteries are not cheap. The solution to these difficulties would be the production of solar cells with their hands, able to compete with the factory for power, but at the same time pleasantly different from them the price. And this is a Solution!

To start, you must decide what is a solar panel. At its core, it is the container, which contains the array, which convert solar energy into electrical elements. The word “array” is applicable in this case because to generate sufficient amounts of energy required by a power supply of a residential building, the solar cells will take quite an impressive number. In view of the high brittleness of the elements, their necessarily combine the battery, which provides them with protection from mechanical damage and combines produce energy. As can be seen, in principle, solar cell device is not anything really complicated, so it is quite possible to do by hand.
Before you can proceed directly to the actions taken to carry out a deep theoretical knowledge to avoid unnecessary difficulties and costs in the process. It is at this stage, many enthusiasts are faced with the first obstacle – the almost complete lack of useful from a practical point of view of information. This phenomenon creates a contrived appearance of solar cells: if they had not made himself, so it is difficult. However, employing logical thinking can come to the following conclusions:

basis of whether the process is to purchase a solar cell at an affordable price
purchase new items excluded due to their high cost and complexity of buying the required amount.
solar cells, which have defects and injuries can be purchased on eBay and elsewhere, at a much lower cost than new.
defective items may well be used in the given conditions.
Based on the findings, it is clear that the next step in the manufacture of solar cells is to buy the defective solar cells. In this case, the elements were purchased on eBay.

Acquired monocrystalline solar cells have a size of 3×6 inches, and each of them gave the order 0.5V power. Thus, connected in series are 36 items in total produce about 18V, which is sufficient for effective charging 12V battery. It should be remembered that such solar cells are fragile and brittle, so the chance to be damaged by rough handling extremely high.
To ensure protection against mechanical damage dealer covered with wax sets of eighteen pieces. On the one hand it is an effective measure to prevent damage during transport, on the other hand – the extra problems because waxing hardly anyone seems nice and easy. Therefore, if possible, purchase items that are not covered with wax, is the best solution. If we pay attention to the image light elements, you can see that they have soldered wires. Even in this case, will have to work a soldering iron, and if the same items purchased without guides – the work will be many times more.