General Archives

The current heating options today are very limited, fossil energy oriented along with getting more as well as more expensive to run. Gas along with oil heating ideas began to dominate the heating market from the 1970′s, by way of many leaving behind coal and biomass heating options because of the other maintenance required. Also, at the time, oil as well as gas was actually very cheap, in addition to could more than compete on a charge basis. Therefore to consumers the alternative was clear, less work for the same heat as well as fee. On the other hand, now the charge reward of these fuels are long gone, as well as additional implications of using these fuels are coming to light. Oil, gas and coal heating solutions are carbon polluters, as they place additional carbon dioxide into the atmosphere. This rise in carbon dioxide is one of the key contributors to climate change along with global warming. The only way we can lessen as well as slow these effects is to limit our use of fossil fuel, as well as adopt low carbon as well as carbon neutral heating alternatives. Biomass, as well as additional wood resources can now play a significant role in carbon emission reduction.

Learn more about Wood Pellets For Sale

Where in the past heating by biomass meant purely log heating, or maybe biomass chip, today there are much more consumer friendly along with practical heating options. Yet many people today still have log fires for their main living space, very few actually use that as their main warmth source. The reasons are obvious, as well as the same reasons why many moved away from biomass heating. Wood energy pellets can bring wood heating back firmly into the 21st century, in addition to truly work around a busy modern habits while meeting the total heating requirements of a building of any size. With the pellets uniform small size, enlarge density as well as reduced moisture percentage along with proficient, practical and clean energy source is born. Owing to these properties wood fuel pellets can be used in automated pellet stove in addition to boilers for complete heating needs.

Read more about Biomass Energy

Biomass pellet heating systems are in fact very straightforward, however efficient at what they do. The pellets are held in a hopper, which can normally at least hold ample fuel for the entire day. At the base of the hopper is a screw feeding auger, which will take the pellets to the burning chamber. The speed as well as timing of the auger is restricted via a computer which controls all the features on the stove. The burning chamber has a burn pot, igniter and fan assistance. When the computer is told to operate the stove, via a thermostat for case, the auger will feed pellets, the igniter will start the fire along with the fan providing incineration air. By means of the right amount of air fed into the fire restricted via the computer proficient incineration can be achieved by way of no visible smoke, plus more warmth generated than any biomass log stove. To produce a pellet there are a variety of steps in addition to processes. The matter is ground to a fine particle size, dried and then finally compressed into a pellet. The pellet mill is the main piece of apparatus, plus using immense forces of pressure and warmth melts the biomass to form a solid as well as durable biomass pellet energy.

More information on Biomass Fuel

Share

Micro Inverter

Many homeowners are making the switch to solar power for their homes, as this is an excellent way to reduce or even eliminate your monthly electricity bill. Solar power systems have seen a variety of advancements over the years, and they’re now more efficient, more affordable, and easier to install than ever before. Recently, a device called a micro inverter has been incorporated in some solar panels, and this may prove to be one of the most significant upgrades of all. There are various types of solar inverters. Visit Solar Power Inverter  for more information about solar power inverters.

In most cases, solar systems share the same basic setup. The solar panels are placed in the spot where they’ll be exposed to as much sunlight as possible, which is usually the roof of the home. When the panels are exposed to sunlight, they generate DC electricity.

The solar panels then transfer the DC electricity to an inverter, which is usually located near the home’s electrical panel. One of the inverter’s jobs is to convert that DC electricity to AC electricity, which is then used in the home.

Previously, solar power systems would lose a large portion of the power they generated because the power had to move along long wires to reach the inverter. Power loss is especially troublesome with low voltage DC electricity. The only answer before now was just to generate more power to compensate for the loss.

The answer to the problem of power loss has arrived in the form of solar micro inverters. Now that solar panels can be equipped with their own individual micro inverters, the conversion can be performed instantaneously, eliminating most of the loss. Thanks to this addition, the solar panel provides a complete solution for your energy needs. This is because, once it’s been converted to AC, electricity can travel along wires without having nearly as much loss. This also makes expanding your system over time easier, as you can simply buy panels at your own pace, without having to worry about whether your inverter can handle it. The up-front cost of these new solar panels is a little greater, but they’re actually less costly in the long run, as they’re so much more efficient.

If a solar power system utilizes batteries, it will also require a solar charge controller. Solar charge controllers work to regulate the power moving from the solar panels to the batteries. If you want information about solar charge controllers, read Solar Charge Controller.

For the greatest guide to making your own wind turbine, including step by step videos, go to Earth4Enegry Review.

earth4banner

Share

It is clear, that our fuel future is moving away from a reliance on fossil fuel fuel such as oil along with gas, along with more towards more alternative and renewable sources of fuel such as biomass. Well known forms of renewable and renewable energy sources include wind along with solar. Both of these resources capture fuel, on the other hand cannot provide energy on demand as they are dependant on whether conditions. Here is where the reward of biomass become clear. Biomass is any form of untreated material which can be used as a fuel source. In essence biomass is captured plus stored solar energy. Because of burning as well as other chemical reactions we can use wood fuel on demand to generate liquid fuels, gaseous fuels, as well as advanced solid fuels such as pellets and briquettes.

Learn more about Biomass

To capture as much energy from burning biomass as likely, it makes sense where potential to achieve cogeneration because of biomass CHP units. CHP or combined warmth as well as power units generate both heat along with electrical power for the property. This process can be achieve through either advanced closed loop steam engines or because of gasification. There have been important improvements in modern steam engine designs which recycle more of the energy to enlarge efficiencies. Also the units recycle the way, as well as require very little maintenance. The closed loop steam engine will capture residual fuel from the wood combustion process, and turn a generate to manufacture electricity. The other possible wood CHP unit is a gasification system. Here the wood in processed into syngas, this gas can then be used in an internal combustion engine to power a generator. The internal incineration engine will generate a significant amount of warmth, though if more heat is required the gas can also be burnt directly in a stove or boiler. The reward of a biomass CHP unit are that the electrical fuel produced can be sold back into the national grid. Therefore a residual income can be produced, in addition to it also encourages the user to lower electrical consumption to generate more revenue. Many people believe a network of small scale electrical generators feeding the national grid is the future not the large scale electrical power plants.

Read more about Wood Pellet

Supplementary compensation of wood over fossil fuel energy, is that wood is a renewable fuel source. This means we can replace the wood we use quickly. This makes wood energy sustainable. The facts are that we at present generate huge volumes of wood along with regard it as waste to be sent to landfill. Utilizing the current wood we generate for fuel would meet a substantial percentage of our energy needs. It would also lower the cost of other goods, as it would reduce costs in addition to raise profits margins turning a waste into a valuable asset. This in tern would benefit the economy, generating more local jobs. The greatest way to use biomass is to compress wood into pellets. This has several advantages, along with is achieve due to using a pellet mill. In the pellet mill the wood is compressed at high temperatures.

More information on Pellets

biomasspelletguide

Share

With the help of today’s technology shows a stream of advanced new solutions and systems which numerous people may not have knowledge of, like  bug zapper. That’s right, you don’t have to grab a swatter and wish for the best, you can now remove bugs convenient, better, and without worry.

An excellent bug zapper runs with relatively ease and takes advantage of today’s innovations to make certain that you aren’t hitting at the air. The overall design of the zappers uses a wired electric grid that has vents for insects in order to navigate directly to the interior where they’re wiped out quickly.

The electric charge in the units can be produced from two different sources. Either a battery inside the gadget or an electrical outlet near the area connected with an extension cable or alternatively directly into the unit. This killing model performs in a different way from traditional methods because the gadget draws in bugs. Insects love the light and heat, and they swarm around these things and instantly come to their death.

Such innovative developments are very perfect and safe for dogs and individuals to be around. These types of great technology are fairly low-budget, affordable, and last longer. When searching for a quality insect zapper, it is never a poor idea to examine the warrantee facts to ensure you’re always protected just in case something goes awry with the investment. Acquiring a topical information about warranty data is not ever a bad thing. Put aside a medium sized expense plan and you’ll never have to worry about bugs ever again.

If you have problems with fly, the bug zapper can also be used to zap this particular flying insect. Having said that, if or not it can kill fly effectively, it is questionable.

If you are searching for the fly zapper or electric fly swatter, then the tool that we recommend can be useful to zap flies. However, It is also essential if you recognize other fly killers, so you can have possibilities to choose from.

Share

Solar Cell Efficiency

Since the invention of the modern silicon solar cell, the performance of solar cells has improved greatly. On April 25, 1954, Bell Labs showed a silicon solar cell to the public for the first time. It had an efficiency of about 6%, meaning that it was able to convert about 6% of the sun’s energy it collected to electricity.

This was a huge improvement over the selenium solar cell, which had been the most common type prior to the introduction of the silicon solar cell. Selenium solar cells only converted about 0.5% of the sun’s energy.

Most research on solar cells since that time has focused mainly on increasing efficiency and reducing manufacturing costs. It’s proven to be possible, using exotic materials, to produce cells with up to 40% efficiency. The production cost for these cells is over 100 times greater than that of the current standard, 8% efficient cells. Reducing production cost may be even more important than improving efficiency in relation to the goal of encouraging more homeowners to switch to solar power.

The total amount of power delivered by the sun under ideal conditions is about 1,000 watts per square meter. This figure is the standard for defining the performance of a specific solar cell. Dust, pollution, elevation, temperature, weather and other variables can have an effect on sunlight intensity. Volcanic eruptions and other similar occurrences can reduce sunlight worldwide for over a year. Solar cells used at a higher elevation generally produce with superior efficiency. This is due to the fact that, as elevation gets higher, the air gets thinner, and the effects of dust and pollution are decreased.

Multicrystalline solar cells are now commercially available, and these output at about 14-19% efficiency. However, as mature technology, this type of cell is thought to be approaching its limit in terms of production capability. Instead, many researchers are more excited about amorphous silicon cells, which are currently about 8% efficient.

Even without any major improvements in solar cell efficiency, the goal of replacing fossil fuel-based power production with solar power is within reach. A little more than 10,000 square miles of land would have to be dedicated to solar panels in order to generate all of the electricity currently produced in the United States. Even now, there is enough unused desert in the US to meet this requirement.

Solar power systems, in order to provide power even when the sun isn’t shining, need to also involve some form of power storage. Many power companies are investigating“smart grid” systems involving the use of battery banks to address this issue. Even during the day, when solar panels are generating electricity, batteries can help with the task of meeting high demand, at times when many people are using their air conditioners.

Since the invention of the first solar cell, solar cell efficiency has improved dramatically, from 0.5% to as high as 40%. In the last few years in particular, they’ve also become a lot more affordable.

If you want to install your own solar power system, you must think about the kind of roof panel that you are going to utilize. More information about roof solar panels is available at Roof Solar Panels.

For the finest guides to building your own solar panels, including detailed instructions and step-by-step videos, go to Build Solar Panel and GreenDIY Energy Review.

Share

How do Solar Panels Work

Solar panel is a device used to convert solar energy into other forms , such as light energy and heat energy. In this article, we will try to find out the answer of the question…”How do Solar panels work?”

alt=”How do Solar Panels Work” />
Solar panel is a term used to describe the devices used for the conversion of solar energy in to other forms of energy like electrical or heat or light. This can be broadly studied under three categories.

1. Panels used to generate electricity

2. Panels used to generate heat

3. Panels used to heat water in homes.

How do solar panels work is nothing but knowing how the above panels work.

Panels used to generate electricity

Solar cells are common examples in this category of electricity generation. They are also known as photovoltaic cells. A combination of individual PV cells forms the Photovoltaic module. A collection of photovoltaic modules, which are tied together with a wire and are so designed to install it in a field readily, is known as photovoltaic panels or simply solar panels. The installation includes the photovoltaic modules, an inverter, a battery all linked to each other with a wire. Depending upon the no of cells and their arrangement there are three types of modules in this viz., crystalline silicon modules, rigid thin-film modules and Flexible thin-film modules.

Panels used to generate heat

The heat in the sun light is collected in this type of panels. They are called Solar thermal collectors. They are specially made to absorb the sunlight to provide the heat. It may appear that they are simple solar hot water panels but in reality they are more complex installations.

Though heat is generated out of sun light in these models, the heat energy is ultimately converted into other type of energy mostly electrical energy as in the case of solar power plants. The heat produced in the solar power plants is used to heat water, which in turn produce stream. A turbine connected to an electrical generator is made to drive for producing electricity.

There are three types of thermal collectors namely; solar parabolic, solar trough and solar towers which are mainly used in solar power plants. In domestic and light industry applications, flat plate and box type panels are used. Apart from that, some more types like evacuated tube, pool or unglazed, air and parabolic dish are some of the other types of panels used. Some advantages of this type of solar panels are getting high temperature enough to generate electricity, higher efficiency of these panels and wide area coverage with the use of inexpensive mirrors

Panels used to heat water in homes

In solar hot water panels, sunlight is used to heat a fluid, which is then transferred to a heat storage vessel. Heating of potable water in the sun light and storing is in hot water tank is a common example of this. How solar panel works is explained below:

Flat absorber plates are placed on the top roofs of the buildings usually residential buildings. These absorbers are coated with darks selective surface which converts the sun’s radiation into heat. The heat so produced is carried by the fluid in the tubes attached to the absorbers. The heat is taken away and stored or used. In the process the fluid gets heated up. To take away its heat and for reuse, the fluid is directed to a heat exchanger, where it gives off its heat and the cooled fluid is reused.

A mechanical pump can be used for circulating the fluid by means of a solar cell. Alternatively the principle of thermo siphon which works on convection can be used to circulate the fluid by mounting the storage vessel higher in the circuit.

How solar panel works lies in the effective use of active solar or passive solar technologies or solar combisystem. While in active solar technology electrical or mechanical devices such as pumps are used, passive solar technology does not employ any other source of energy. Solar combisystem uses the auxiliary non-solar heat source.

Solar panels are mainly used to exploit the potential of solar energy, which is rampant is availability and is cheap to use as no money need to be paid by anybody for the use of sunlight.

In the depleting conventional energy source day by day, solar energy is the right substitute for that. But, for that, we need to be cautious in keeping our environment and thereby the atmosphere clean and un-spoilt. Because, the role of atmosphere in the use of solar energy is that of a filter.

It eliminates certain harmful gases and materials from the sunlight before it reaches the earth’s surface. It acts as a checkpoint. If that is damaged the entire earth will be damaged. Global dimming, global warming etc., are some of the phrases coined by the environmental conscious people to warn the adverse effects of our atmosphere getting into nowadays. Let us be more conscious in not polluting our atmosphere so that not only we, the future generation is also able to derive the advantages of solar energy.

By Jayashree Pakhare
Published: 7/31/2007
Share

How does solar power work and how can it save money plus why is everyone using solar.

alt=”Use Solar Power to Save on Electricity Bills” />
Enlarge Image
Once a distant technology that just sat on roofs that a few green minded people used, solar power has become a trendy tool we can hold in our hands. Sunlight – solar energy – can be used to generate electricity, provide hot water, and to heat, cool, and light buildings.

A typical solar system will reduce the need for conventional water heating by about two-thirds. Often the plumbing from a solar heater connects to a houses existing water heater, which stays inactive as long as the water coming in is hot or hotter than the temperature setting on the indoor water heater. When it falls below this temperature, the homes water heater can kick in to make up the difference. Incorporating passive solar designs can reduce heating bills by as much as 50 percent. High-temperature solar water heaters can provide energy-efficient hot water and hot water heat for large commercial and industrial facilities.

Many large commercial buildings can use solar collectors to provide more than just hot water. Solar process heating systems can be used to heat these buildings. A solar ventilation system can be used in cold climates to preheat air as it enters a building. And the heat from a solar collector can even be used to provide energy for cooling a building. The Co-operative Insurance Building in Manchester has the largest commercial solar system in the UK. I think it looks very futuristic and cool!

You can generate electricity for a single building like the co-op but there is the potential in the future to generate enough power for a power plant. The author of a recent Christian Aid report, John McGhie, said that for $50bn (26bn) the whole of sub-Saharan Africa could be turned into a solar-generated economy. And $50bn is exactly the same amount as the continent would have to pay on extra fuel bills from oil,” he said.

Electrical retailer Currys is about to add a new item to its usual array of washing machines and other white goods – solar panels. Currys is taking a risk as the solar panels will cost far more than anything else the store sells. They say it will cost the average three bedroom household about 9,000 to buy and install solar panels – compared to 16,000 in specialist stores. There are also grants available through the Low Carbon Buildings Programme.

What other solar gadgets can you buy?

Well, Sharp, the world’s number one solar cell producer, has just turned its hand to glass studded with LED lights and cells. Instead of generating enough electricity to run a home, it creates a psychedelic light show at night, powered entirely by the day’s sun.

You can also buy solar chargers for iPods and phones. Other recent outlandish additions include a solar-powered tent, scooter and LED house numbers, while mundane ones like bike lights, torches and radios have been around for years.

People can also use captured passive solar heat to cook food. A basic cooker consists of an insulated box with a glass top. Heat from concentrated sunlight gets trapped in the box and can be used to heat food enclosed in the box. These have not been very popular to date.

By
Mark Marris
Published: 10/27/2006
Share
 Page 36 of 36  « First  ... « 32  33  34  35  36 

Bad Behavior has blocked 70 access attempts in the last 7 days.