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Solar Powered Tree

October 22, 2010 By: Admin Category: Solar Tree

Solar Powered Tree by Tourism London

In an effort to reduce the amount of grid electricity used in their offices, Tourism London has announced the world’s tallest solar powered tree that will be able to produce about 8.6KW of power. Electricity generated will provide income to pay for the project during the contract period. It was designed to be a visual landmark to highlight the importance of clean, renewable energy and features three pole mounted array of photovoltaic modules. It stands at seven meters tall and has 27 leaves. The whole project aims to produce 10,000 kWh of electricity every year, which is about half of what’s taking office each year, and will also help offset about 10 tons of CO₂ per year from coal-fired power plants.

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Solar Wind Generator

October 11, 2010 By: Admin Category: Solar Power, Wind Power

Greenerator by Jonathan Globerson

If you live in apartments in high-rise buildings, and want to use renewable energy, such as wind turbine and solar cell, then Greenerator concept design is one of the solutions. The Greenerator by Jonathan Globerson can be installed on balconies and equipped with flexible solar panels and a vertical axis wind turbine. The energy generated by the system can be used to power computers or other equipment in the home. The designer believes that each unit can reduce your electric bill by 6 percent.

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Outdoor Solar Lights

December 01, 2009 By: Admin Category: Solar Light

Outdoor Solar Lights Explained

outdoor solar lights Outdoor Solar Lights Outdoor solar lights uses the identical action to generate power as the solar panels on your ceiling (or that you could set up on your ceiling, if you selected to). Essentially, it applies photovoltaic (PV) cells, which accumulate and switch solar energy into electrical energy. The PV cells apply semiconducting materials to engage the sun’s light, which interacts with the silicon and another components to produce electrical energy. The electrical energy runs over cables which power the battery, which in go powers the light. This is an highly simple explanation, but it will present you the common idea of how solar cells play. They can only make electrical energy from direct sunshine, which is why solar lighting wants a battery in order to be able to light up the dark.

So that the batteries to keep a constant charge, the solar light fixture should be in a position that meets full sunshine for almost of the daylight. If it just gets partial sunlight, because it’s barred by trees or other construction, or because your area has much of cloudy conditions, the batteries will run out earlier, and your fixture will supply light for a lower amount of time. Most outdoor solar lights fixtures own a backup power system which applies rechargeable batteries. Solar lights fixtures which apply a small amount of electrical energy frequently apply small AA Ni-Cad or NiMh batteries. But more strong solar lights fixtures (like head lights) apply a covered lead acid battery.

Photo detectors that automatically evaluate light degrees (like the kind that tells your photographic camera when to apply its flash) are constructed into the solar lights fixtures. They monitor light degrees and turn the fixture off at morning and on at nightfall. But get sure there are no artificial light sources (like a street lights or head light) that may contribute a wrong reading and forbid the light from turning on.

Outdoor solar lights usually utilizes LED bulbs. They apply less power than incandescent bulbs and, with a lifetime of around 20 years, are much longer-lasting. Until lately, solar lights overall has not been as bright as lighting powered straight by direct current electrical energy. But the earliest super bright LEDs can at present illuminate as well as halogen bulbs.

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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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Solar Fountain

May 22, 2009 By: Admin Category: Solar Fountain

Solar Fountains

Executive Summary about Solar Fountain by Jeff Snyder

A water feature can be relaxing. For those of us that want the stress reducing and atmosphere enhancing benefits of flowing water without the expense and hassle, a free-standing solar water fountain just may be the answer.

Solar fountains are similar to standard fountains in look and function, except the power to run them comes from a solar panel instead of an electrical outlet. The solar panel converts sunlight into electricity, which in turn powers the pump that circulates water through the fountain. This means that most solar fountains available today require direct sunlight to operate.

Pedestal Fountains – These units have a single, or multiple tiers, mounted on top of, you guessed it, a pedestal. They are between 2 to 3 feet high and generally place the solar panel in one of the basins. Water is circulated from the lowest basin or a hidden reservoir through one or more spraying or bubbling fountain heads. Single bowl designs are sometimes referred to as birdbath fountains, but the flowing water and open design of any pedestal type fountain can attract our feathered friends.
Cascade Fountains – Cascade fountains are usually smaller than pedestal fountains, less than 2 feet high, and have more tiers. They operate by pumping water to the top of a multi-tiered cascade of catch basins or bowls. Due to the smaller size of these cascade type fountains, the solar panel is most often separate.
Single Bowl Fountains – These are the smallest of the solar fountains, often measuring less than 1 foot high.

For one thing, solar fountains are relatively inexpensive. So go ahead and give solar fountains a try.

Solar Fountain Pumps
Executive Summary about Solar Fountain by Christine Douglas

If you want a beautiful water feature in your yard, you’ll need power of some kind. There are many reasons you may choose to use solar fountain pumps. There are many different kinds of solar fountain pumps. The first kind is an all-inclusive fountain with solar power built right in. You simply place the fountain in an area that gets ample sunlight, and enjoy! From bird baths, to cherubs, these fountains are lovely and a great use of the sun.

Other types of solar fountain pumps are for larger water features. Larger solar powered fountain pumps are available in many sizes and styles. If you choose to use a solar fountain pump, there are a few things you need to keep in mind. The fountain can be in the shade if desired, as long as the solar collector is in the sun most of the day.

Check out my other guide on Charger Solar

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Solar Battery

May 18, 2009 By: Admin Category: Solar Battery

Solar Batteries – Deep Cycle

Executive Summary about Solar Battery by Michael Motley

Batteries are separated into two categories, by application (what the battery is used for) and construction (how the battery is built). Deep-Cycle batteries are the battery of choice for most installations because of the way they are made. Deep-cycle batteries are made to be run completely down relatively fast, and recharged just as fast, constantly. The major applications for deep-cycle batteries are solar electric (PV), backup power source, and boat/RV batteries.

There are 3 main construction types at this time:

Flood (wet)
Gelled
AGM

Flooded batteries are what most people think of when thinking of batteries of this size.

Gelled Batteries or Gel Cells are sealed, and some are valve regulated. They contain gelled acid that was gelled by adding silica gel, making like a battery acid jelly.

AGM (Absorbed Glass Mat) batteries are similar to the gelled batteries but they also have fiberglass mat between the plates of the batter, which is then filled with gel. These batteries are the premier choice if you have any concerns about spilling of battery acid.

The main difference in deep-cycle batteries is thicker plates. The thicker plates allow the deep-cycle battery to be discharged down as much as 80% over and over again. The battery with the thickest plates will last the longest

A battery cycle is one complete discharge and recharge cycle. How deep a battery is discharged directly affects its life span.

Battery Life

There are many variables to deep-cycle battery life. The standard flooded battery 1-6 years. In the deep-cycle family of batteries, the AGM has one advantage over the other two types in it’s class. There is a myth that you shouldn’t store batteries on concrete floors.

Battery Quick Facts

* Almost all batteries have to be cycled 10-20 times before being able to reach full capacity.

* Always keep vent caps on your flooded batteries when charging.

* Lead-Acid batteries do not have a memory. Use only clean water to clean the outside of batteries.

Solar Battery Technology
Executive Summary about Solar Battery by Anne Clarke

People are realizing that they can easily change the way that power is created. For two centuries the world has relied upon fossil fuel, mostly coal and oil, for almost every form of power. It lights our homes, powers our appliances and drives our cars. Unfortunately fossil fuels rely on combustion to release their power. Solar power is an effective way to harness the power of the sun, something plants have been doing for millions of years. It can produce more power during the day than the average home uses. Most houses will use less power during the day, and much less in the summer which is the peak power producing time for solar panels. To be effective this power must be stored somehow.

One popular way of storing solar power is by connecting the solar panels to the existing electrical grid, effectively turning it into a massive solar battery. At night power is taken from the grid as usual. Any power outages can still affect these solar panel set-ups, but no rechargeable batteries have to be used.

Rechargeable batteries are notoriously short lived and expensive. They either have low power flows for a long time with a good capacity, or they have high power flows for short times with poor capacity. Typical batteries, especially lithium ion, have high capacity for storing power, but deliver a weak output and recharge slowly. The ideal solar battery would be able to charge quickly, have a high density for storing power and be able to emit as much of that power as is needed.

Check out my other guide on Solar Light

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Solar Lighting Guide

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