Solar PV

June 21, 2011 By: Admin Category: Solar Cells

Solar PV In Architecture

Revolutionary of photovoltaic applications in the architectural building has undergone rapid development, starting from ordinary technology to high technology in the 3rd generation, they are:

1. First generation (the 1980s)

PV panel module with an iron framework just mounted on the field of building flat roof with a brace (tracking).

2. Second generation (the 1990s)

Photovoltaic cells (PV) developed more integrated part of building materials: roof materials (tiles, shingles).

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Solar Tubes

November 26, 2009 By: Admin Category: Solar Light

Solar Light Tubes

Initial concept of light tubes developed by the ancient Egyptians, namely by direct use of natural light tubes with reflective material. This is the concept of the oldest and most widespread type of natural lighting of interior space.

Light tubes are also known as “tubular skylight”, “SunScope” or “Tubular Daylighting Device” allow natural light into the darkened interior room of buildings and houses. The people enjoy the natural lighting provided by skylights. However, skylights are often not evenly distribute the light, is the loss of a significant source of energy, and UV light can cause damage to the carpet and furniture. Light tubes, on the other hand, using the sun for lighting interiors without the shortcomings associated with conventional skylights. To prevent the danger of ultraviolet radiation (UV) from the carpet and furniture fading, UV inhibitors formed a dome roof on most models. Another bonus when choosing light tubes is that they provide far more heat slightly, as did the standard skylights. Because of the lack of acceptance of this heat, tubular skylights to save money on air conditioning bills during hot months.

Taking advantage of free sunlight as much as possible, the pipe hole collect sunlight from the roof dome light collector consists of an acrylic lens, bounce it to the bottom of a tube with a highly reflective interior coating, to pull the lens cap is similar to conventional recessed lighting equipment and diffuse sun light evenly throughout the interior rooms. The tube can be bent and adapted to drive around the garret or ceiling obstructions with small loss of light transmitting and can often be installed in less than three hours. Not like the ceiling of need roof to the ceiling of the timber-framed shaft and covered with drywall or wood panels, and the need for structural modifications, so installation is simple and relatively inexpensive.

Roof mounted dome made of high quality acrylic resin specially formulated to enhance the impact strength, chemical, weather resistance and high clarity.

Light tubes can be installed on almost all types of roof materials, including wood and asphalt shingles, concrete and ceramics, and metals. Thanks to a highly reflective coating on the rod, the tube can work efficiently from sunrise to sunset.

Most of the producers of glass tubular solar roof offers a 10-year warranty against defects in materials and post-installation cracks or discoloration. Tubes solar installation contractors generally offer a 2-3 year warranty for the installation of weatherproofing and storm protection.

The average size of the tubular skylight ranges between 10 and 21 inches (254 and 533 mm), diameter, which effectively light of 100-600 square feet (30,48-182,88 meters), interior space. The main factor in choosing a general measure of the distance between the roof rafters and / or ceiling beams.

Prices range from around $ 171.00 to $ 423.00. Installing a solar tube usually cost between $ 500 and $ 800. Both depend on the size of tubes and features installed.

Light tube options include:

• Dimmers which allows the natural lighting level of a room that will turn up or down according to demand.
• Light kit for night time lighting.
• Ventilation fan kit

Energy-efficient light tubes is an important part of the house and environmentally friendly buildings. Natural light effects on your physical, emotional and psychological well known as the rooms benefit from natural sunlight free will positively impact our environment for future generations. They are environmentally-friendly way to naturally brighten every room, a smart alternative to skylights and artificial lighting.

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Solar Roof

May 29, 2009 By: Admin Category: Solar Architecture

Why Install a Solar Roof Panel

Executive Summary about Solar Roof By Dan A Swanson

The advancements in solar technology has helped in creating more efficient and light weight solar cells that make solar roof panels a more practical choice for the ordinary households. Solar cells of the solar roof panels are able to convert sunlight into solar energy which can be used for providing electrical energy to your home.

These solar shingles or solar roof panels are meant to replace the regular shingles of your home, thus providing a waterproof coverage to your home and also generating electrical power as an added advantage. As far as their installation is concerned, a solar roof panel is easiest to install.

Advanced solar technology is able to produce solar cells that can produce 20% efficiency, as compared to 7-10% produced by older cells.

The different kinds of solar roof panels are the traditional types, advanced types and compact types while the best ones are light weight panels which are less expensive, smaller in size and still capture sufficient amount of energy every day.

Benefits of a Solar Roof Panel
Executive Summary about Solar Roof By Eben Jaimes

With the high cost of living, more and more people are turning to renewable energy generation for their homes. One of the main sources of renewable energy, that seems to be the most popular, is having a solar roof panel installed on your home.

Having a solar roof panel is an extremely efficient supplier of energy. This means that the utility companies have to pay you. You will be happy to know that by generating electricity from a solar roof panel, you will help reduce greenhouse gas emission. A simple 3kW solar system reduces carbon dioxide emissions very close to the amount of carbon dioxide emissions given off by a passenger car traveling 8,000 miles per year.

Also, with a solar roof panel, you can think long term. Almost all of the satellites that orbit the earth are powered by solar energy. As a special benefit, a solar roof panel system is eligible for a $2,000 federal tax credit. If you happen to live in California, the California Solar Initiative (CSI), offers an up-front rebate.

Check out my other guide on Solar Battery

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Nanosolar

May 24, 2009 By: Admin Category: Nanosolar, Solar Cells

Nanosolar Powersheet

Executive Summary about Nanosolar by nanosolar.com -MICHAEL MOYER

Imagine a solar panel without the panel. Just a coating, thin as a layer of paint, that takes light and converts it to electricity. From there, you can picture roof shingles with solar cells built inside and window coatings that seem to suck power from the air.

Cost has always been one of solar’s biggest problems. Traditional solar cells require silicon, and silicon is an expensive commodity (exacerbated currently by a global silicon shortage). That means even the cheapest solar panels cost about $3 per watt of energy they go on to produce.

Nanosolar’s cells use no silicon, and the company’s manufacturing process allows it to create cells that are as efficient as most commercial cells for as little as 30 cents a watt. “It really is quite a big deal in terms of altering the way we think about solar and in inherently altering the economics of solar.”

In San Jose, Nanosolar has built what will soon be the world’s largest solar-panel manufacturing facility. California, for instance, recently launched the Million Solar Roofs initiative, which will provide tax breaks and rebates to encourage the installation of 100,000 solar roofs per year, every year, for 10 consecutive years (the state currently has 30,000 solar roofs). The company is ready for the solar boom.

NANOSOLAR: Solar-cell Coating

Executive Summary about Nanosolar by Silicon Valley

Solar panels are big, clunky, heavy, require special installation, and, if they break, replacing them can be quite expensive.

The PowerSheet is made from a layer of solar-absorbing nano-ink that is printed onto a foil-thin metal sheet.

Because of the ever-increasing costs of energy and the obvious environmental impact of burning up fossil fuels, turning to alternative energy sources such as solar energy is a priority.

Article You May Be Interested In Reading: Solar Heater

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