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May 10 2012
Energy - May 10
- Thomas Homer-Dixon: Exploring the climate “mindscape” (oil supplies and energy junk)
- Government influence is negative for energy fuel policy
- The German Switch from Nuclear to Renewables
- Scientists’ Arctic drilling plan aims to demystify undersea greenhouse gases
- Ancien directeur de TOTAL: Nouvelles découvertes et gaz de schiste retarderont à peine le pic pétrolier
January 31 2012
Producing Electricity From Sillicon Solar Cells
Natural resources of fuel are at a risk of being eliminated due to their consumption in very large amount. Scientist are trying to find new ways of producing fuel. One of them is the solar energy. Solar systems have been invented which convert heat energy into electricity. These solar systems are now in use and are cheap source of electricity. To understand the whole working of the solar energy systems, one must understand about the basic thing that is “Solar cell”.
Use Of Silicon In Solar Cells
The world has progressed rapidly in the field of solar energy. It is easy to use and is cheapest form of energy. To understand about solar energy system, one must start from basic level.,, a solar cell. The basic component of the solar cell is the semiconductor used to convert heat energy into electric charge. Many elements are now being used for this purpose but the best element that has been used from a long time and is still a part of many solar devices is Silicon. The guide line for solar cells is provided by the silicon structure in a photovoltaic (PV) cell. The current is produced in these cells by movement of the electrons from their respective shells. To move more electrons, additional impurities are added in silicon.
Producing Electricity From Solar Cell
A solar grade is made up with a crystalline structure. Semiconductor used in the cells is Silicon atom having three layers holding electrons. The no. of electrons increase in the center of atom. When the electrons from the outer shell of silicon escape, electrons from inner shells move to replace them. This moving results in creating a locked structure. Due to this reason, most of the silicon solar cells ape P-type or N-type silicon cells. N-type cells are added with the impurity that is mainly phosphorous which helps more electrons to escape from the outermost cell of silicon atom. P-type silicon cells are mixed with boron, helping the electrons to leave the structure leaving holes (positive charges) behind.
Types Of Silicon Cells
Silicon structure is often found in different crystalline structures such as various crystalline form, polycrystalline form and mono-crystalline form. Mono-crystalline silicon are made up of single crystal wafer cells. These type of crystalline cells are created on high efficiency levels which is about 15%, formation of these cells involve some additional manufacturing process making their costs high.
Production Methods
To produce a mono-crystalline structure, molten grains of silicon are being cast into ignots, these are then cut in form of thin wafers and are fixed in the complete cell.The lesser efficient but cheap crystalline form of silicon cells is multicrystalline form, Its efficiency is about 12%. It is the commonly manufactured crystalline form. Polycrystalline form is variation of different multicrystalline structures.It consists of multiple grade silicon which provide highly charge electric current.
Crystalline Structures
Different crystalline structures produce different voltages of current. Mono-crystalline structures are the most efficient one but are expensive than other crystalline forms. So they are not commonly used but are used for special purposes.
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Tags: boron, cheap source, convert heat energy, crystalline structure, electrons, energy, heat energy, impurities, impurity, manufacturing process, outer shell, Photovoltaic, Photovoltaics, renewable energy, scientist, semiconductor, silicon atom, silicon cells, silicon solar cells, silicon structure, Single crystal, Solar cell, solar devices, solar energy, solar energy system, solar energy systems, solar systems, source of electricity, TechnologyJanuary 30 2012
Energy - Jan 30
- Solar Panels in China: An Emerging U.S.-China Trade Dispute?
- 'Bicycle pump' to turn wave power into clean energy
- El panorama energético actual (Argentina)
January 11 2012
January 07 2012
Energy - Jan 7
- The end of the U.S. ethanol tariff
- Building a better suntrap
- Storehouses for Solar Energy Can Step In When the Sun Goes Down
January 05 2012
Solar Inverter and Its Applications
Solar inverter is a great tool that utilizes sunlight and converts it into reusable electricity. It is an integral part of a solar generator. Solar inverter can be bought separately or along with the solar panel and battery for setting up a fully functional solar power system. If you are considering buying an inverter separately then make sure you are going to buy an inverter that matches with the wattage output of the solar panel that is installed in your home.
Working of Solar Inverter
Solar inverter works on a very simple principal that is receiving sunlight by the solar panels and conversion of that sunlight by the help of solar inverter into reusable electrical power.
Standalone Inverter
The power that is generated by the solar inverter is stored in batteries. This is the point where inverters are needed. Solar inverter converts the direct current (DC) that is stored in the battery. That DC is converted into the alternating current (AC) that is then used for domestic purpose for powering electrical equipment and devices. The inverter that performs this simple task is referred to as the standalone model.
Synchronous Inverter
In this type of inverter energy from the photovoltaic (PV) module or a solar panel is directly connected to the utility grid, in such a case a grid-tie inverter or a synchronous is required for that energy. The synchronous inverter performs the same function as the standalone inverter does. It converts the direct current (DC) into an alternating current (AC). The synchronous inverter transfers the collected solar power from the panels to the distribution panel of your home. From this distribution chamber that energy is supplied to the places where you need that power for various residential uses. If you want to sell the surplus energy back to the utility company by using the process of net-metering then you will need the synchronous inverter.
Net-Metering
It is a process in which you can sell the surplus amount of energy back to the utility grid. Net-metering can be done if you have a grid-tied or utility connected solar energy system installed in your residential place and if that system is generating energy more than your needs. It is a great tool to save on your utility bills. Net-metering usually works with the synchronous inverters.
Multifunction Inverters
These inverters come with both the utility grid and the battery. These multifunction inverters are readily available at marketplace.
Installation of Solar Inverter
The best way to install solar inverter or other components of solar generators you should contact a certified solar installer. Make sure the installer that you have selected is experienced and expert in installing solar systems and their components. You can also get free solar estimate from the locally located solar installers or companies in your area.
On the whole, solar inverters are a great choice to fulfill your residential energy needs and build up a fund from the money that you save and earn on the surplus energy that is generated by your solar generator.
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Tags: alternating current, alternating current ac, batteries, conversion, direct current, distribution panel, Electric power transmission, electrical equipment, electrical power, Electricity, Environment, Grid tie inverter, inverter energy, Inverters, Photovoltaic, residential energy needs, solar energy, solar energy system, solar generator, Solar inverter, solar panel, solar panels, Solar power, solar power system, solar systems, sunlight, surplus energy, Technology_Internet, Utility Grid, wattage outputJanuary 01 2012
A Guide to Solar Power Energy
Sun is the source of the cheapest and the safer and cleaner form of power. Sunlight has most widely been utilized for a variety of purposes both on commercial and residential levels. Sun power is usable in all forms, in unprocessed form it has been helping mankind for various purposes like for laundry drying, crops rearing and for the sustainability of life. With the advances in technology, scientists started to use solar energy for various purposes by converting it into reusable energy.
Benefits of Solar Power Energy
Solar energy is far feasible than conventional energy. It is available at free of cost and it is renewable. Sun power energy is feasible for areas where there is a lot of full and strong sunlight, but have little electrical infrastructure. These areas can make most of sun power energy.
Downside of Solar Power Energy
The downside of solar power energy is that it is reliable only in those areas that receive full and strong sunlight. Sunlight cannot be collected and absorbed during night time. Also, a number of collectors are required in order to produce a little bit of solar energy. Despite of these setbacks, sun power energy still remains a popular source of the production of power among its counterparts.
Ways to Harness Solar Power Energy
There are various ways by which sun power energy can easily be harnessed, so it can be utilized in different things. Some of these ways include following:
Photovoltaic (PV) or Solar Cells
Photovoltaic (PV) or solar cells convert the solar power energy directly into renewable electricity. Solar or photovoltaic cells are available to be used in various ways. They are being utilized both on large scale (commercial level) like for empowering satellites and on small scale (residential or home purpose). These photovoltaic or solar cells are categorized into four distinct generations or categories. Each of these generations has solar cells of particular material(s). It is believed that solar cells would soon overtake the market of solar technology.
Solar Water Heating Systems
Solar water heating systems are available in a wide variety. There are various ways by which solar power energy can be utilized to heat water. One of these ways utilizes solar energy that heat up solar units that are installed on the roof of the storage tanks that are filled with water. The heated water is then distributed to the places where it is utilized for everyday works. This particular method of solar heating cuts down on the amount of other sources of energy like electricity or gas that are used in a home.
Solar Heating
It is done by the usage of solar collectors. Solar collectors are of various types and they heat the cold air and distribute or circulate that heated water into a stricture or a building in order to generate heat. This process doesn’t require any type of fans or sensors to circulate the hot air. The heated air is circulated when the heated air vaporizes and new cold air enters the structure of building and that new cold air is heated through the solar collectors.
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Tags: advances in technology, conventional energy, counterparts, crops, different things, distinct generations, electrical infrastructure, energy, energy benefits, Environment, heat, mankind, night time, Photovoltaic, photovoltaic cells, Renewable Electricity, satellites, setbacks, solar cells, solar energy, Solar power, solar power energy, solar technology, Solar thermalSolar thermal, Solar Water Heating, sun power, sun power energy, sunlight, water heating systemsDecember 29 2011
Important Things about Solar Trackers
Solar power energy is serving for a variety of purposes. In the past few years, more forms of solar power energy have become popular among green people. These consumers also directed towards ways by which they can keep the track of the performance and efficiency of their solar power system. One of the most popular ways to become more efficient when operating a solar power program is to utilize a tracking base. Following are the few important things about running a photovoltaic system:
Advantages of Tracking
You can enhance the energy production with the tracking because tracking-arrays get more sun power when it is at its peak. This allows the installation of a smaller array and reduces the required array footprint that is beneficial for sites that do not have much space available. Tracking array can also be beneficial for the kits with wide open solar access. The sun power that is received during early morning and late hours can be sufficient, especially during low summer times during which at most northern latitudes, the rise in the northeastern region and sets in the northwestern region.
Appropriate Applications of Tracking Array
Surplus power is only advantageous in the case when can easily sell it or store it for future use. In this case, a utility connected system with wide open sun window can be very beneficial option for a tracked array. It is because every kilowatt-hour will be utilized. If you are using net-metering then this home kit grid will be credited to the utility bill of your house. Off grid system is another good option for a tacked array. This off grid system contains the daytime summer dominated loads. Water pumping systems are also good options for photovoltaic direct tacked arrays.
Solar Power Kit Basic Installation
Tracking arrays are just like big sails, as they are set several feet above the ground level. These tracking arrays receive considerable wind-loading. These tracking arrays are mounted on big poles in order to keep them in place. These poles must be set is large concrete footers. Components of tracker can be heavy and often they require backhoe bucket, crane or other mechanical force for their placement.
Options for Installation
Optical sensors come with trackers that are controlled electronically. These sensors are required to be placed at the top of the arrays. In addition to this, tracker controllers must be mounted on the drive and they should be empowered either by the AC power or battery bank if it is available. In either case, an appropriate planning for the power line is crucial. It should run from the controller power source. Although the photovoltaic system can empower the controller directly, this option is not appropriate because power is not available from the photovoltaic array when there is no sun. It simply means that the tracker has to wait for the next morning in order to turn back to face the sun for solar power. During hot or summer season, the optical PV sensor can get confused about which direction it should face. You should limit the tracker rotation to 180 degrees in order to avoid this confusion.
Save Money with Solar Power Tracking System
Solar power tracking systems can help you a lot to save a considerable amount of money up-front. Besides, you will be also to track to greater energy generation and its efficiency
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Tags: battery bank, beneficial option, controller, efficiency, energy, energy production, good options, greater energy generation, grid system, important things, kilowatt hour, northeastern region, northwestern region, open sun, Photovoltaic, Photovoltaic array, Photovoltaic system, power tracking systems, pumping systems, sails, solar energy, solar panel, solar power energy, solar power system, sun power, SunPower, surplus power, Technology_Internet, Tracking system, Water pumping systemsDecember 23 2011
Energy - Dec 23
- Former oil expert from the IEA: decline of 'all liquids' soon after 2015 (in French)
- Nigeria on alert as Shell announces worst oil spill in a decade
- Shelling out the Oil in Waters off Nigeria: Radar Satellite Image December 21, 2011
- Oil Workers Rise Up in Kazakhstan, Face Brutal Crackdown
- MIT: The Chinese Solar Machine
December 18 2011
A Guide to Solar Compressor-based Cooling Systems
Solar air conditioning or refrigeration is considered to be a viable option of indoor cooling in the near future. Solar air conditioning has two main types that are active and passive. These two types in turn have further subtypes. One of these types is solar compressor cooling. Solar compressor coolers are not different from traditional air conditioning or refrigeration systems in their working. But there is a basic difference and only difference and that is the utilization of solar energy.
Working of Solar Compressor Cooling
Sun power energy is used to empower the electrical compressor. In the electrical compressor air is compressed and then it is heated further before it is passed through a condenser. In the condenser that air is absorbed and then this air is cooled.
Solar Compressor in Hotter Climates
The compressor during summer season or hotter climatic conditions can be transferred altogether through feeding the air (that has been heated) directly to the condenser.
Solar Absorption Cooler
Absorption chillers that are also known as solar absorption coolers can reduce the amount of energy that is being consumed by the cooling system to a great extent. In this way these compressors become more cost effective.
Types of Absorption Chillers
There are various types of absorption chillers. These types include single absorption chiller, double absorption chillers and triple absorption chillers. The more cycles in h absorption chiller ensure the more efficiency of the absorption coolers.
Photovoltaics for Electric Compressor Based Cooling Systems
Photovoltaics offer a wide variety of application. These can be utilized conveniently to empower the traditional, electric compressor based cooling or air conditioning systems. The drawback of electric compressor based cooling systems that run on photovoltaics is that they are very expensive. In other words, they are highly cost ineffective because these electric compressor based cooling systems utilize a great amount of energy for proper functioning. These systems will not provide you the required output unless they are fed with sufficient amount of energy.
The Best Photovoltaic Systems
The best and most appropriate types of photovoltaic systems can only provide a part of the output that is desired by the system on regular basis. Photovoltaic systems are most widely being utilized to empower the compressor-based refrigeration or cooling systems. The use of photovoltaics for empowering the compressor-based systems is particularly very popular in Asia. Regardless of the fact that, these systems require some kind of support or back up energy to provide contact cooling in hot and sunny climatic conditions, these systems are still popular in Asia.
On the whole, solar compressor based air conditioning systems offer good usage of solar power energy. However, those cooling systems that run on photovoltaics have certain drawbacks like their high cost and need of backup power during hotter climatic conditions. On the other hand, those cooling systems that run on absorption chiller are cost effective. The best way to determine if the solar compressor based cooling systems are a viable option for your residential place not is to carry out proper research about these systems prior to installing them.
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Tags: absorption chiller, absorption chillers, air conditioning, air conditioning systems, Asia, Best Photovoltaic Systems, climates, climatic conditions, compressor air, compressors, condenser, coolers, cooling system, cooling systems, drawback, electric compressor, energy, HVAC, Photovoltaic, Photovoltaic systems, Photovoltaics, power energy, refrigeration systems, solar absorption, solar air, solar energy, Solar power, US Federal Reserve, viable optionDecember 14 2011
Energy - Dec 14
- Al Jazeera on World Petroleum Conference in Doha (video)
- Reining In the ‘Soft Costs’ of Solar
- Overview of Low Energy Nuclear Reactions (LENR) - NASA presentation
- Canadian MP, Laurin Liu, proposes sustainable energy strategy
- ASPO-Switzerland: Benzin und Diesel immer teurer
December 02 2011
Indoor Solar Lights
Many people ask the question, is it possible to get solar lights inside the house? As a matter of fact, nowadays solar light is very common and widespread in the buildings and the homes as well. There are different methods due to which the light at homes can be powered by the solar energy.
Solar Electricity
One of the very common ways is the use of solar electricity. The technology known as photovoltaic (PV), is used for the conversion of solar energy to the electricity. A grid tie converter is used and the panels of photovoltaic are configured in conjunction with grid power system of the house.
How Indoor Lights Are Powered?
The electrical appliances and the indoor lights are powered when the electricity is drawn from the grid at night. It is a very useful technique which can actually generate credit on the electricity bill. The electricity generated by the solar system is much more than the electricity that is used at home.
Skylights
Skylights are another way of using the solar light indoors. Skylights can produce and increase the level of electricity equivalent to 1800 watts whereas it reduces the heat energy up to 68%.
Solar Direct
There is a specially designed skylight. Solar Direct is one of the best among the specially designed skylights. The natural light is directed and dispersed by them. The skylights require no maintenance and they incur no charge in the electricity bill.
Solar Lights Indoors Functions
There is no need of electricity grid when using the solar electricity system is in use. The solar lights indoors functions the same way as the solar outdoor lighting. Solar lights indoor system absorbs and store energy from the sunlight whole day long and it release this energy in the form of electricity at night.
Solar Panel
This light system should be connected with the solar panel. The solar panel is actually wired to batteries that are researchable .these batteries are used to store the energy. The standalone solar electricity systems are usually used at the places that cannot be connected with the electric grid easily such as sheds, gazebos, garages, cabins, or outhouses.
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Tags: Daylighting, electrical appliances, electrical grid, Electricity, electricity bill, electricity equivalent, electricity grid, electricity system, grid power, grid tie, heat energy, matter of fact, Photovoltaic, PV, skylight, Skylights, solar electricity, solar electricity system, solar electricity systems, solar energy, Solar lamp, solar light, solar lights, solar outdoor lighting, solar panel, solar system, wattsNovember 04 2011
ODAC Newsletter - Nov 4
In a year when chaos is beginning to feel like the norm, Greek Prime Minister George Papandreou’s out of the blue announcement calling a referendum on the latest Euro bailout plan caught even the most jaded observers by surprise. Although it looks as if the idea has now been abandoned, the likelihood of a still more serious financial crisis has surely moved a step closer...
October 05 2011
Make Use of Solar Refrigerators
Solar refrigerator are environmental friendly, as they cut down on the greenhouse gases because they are not reliant on fossil fuels to run.
Solar Refrigeration by Photovoltaic Cells
Photovoltaic or solar cells are used to produce refrigeration. These solar cells utilize the solar power energy and convert it into electrical power. Solar refrigerators also contain thicker insulation hat is typically about 4 inches. Initial expense of buying a solar refrigerator is higher than the conventional refrigerator or electrical refrigerator.
Features of Solar Refrigerators
These refrigerators are small in size, jus about the chest size. Despite of high initial costs, they are still cost-effective than electrical refrigerators. These refrigerators are portable and can be used anywhere, but most often they are used by cabin owners, remote home and RV owners. These refrigerators typically run on the backup battery of 12-volt and are capable of reaching temperatures of about 30 degrees cooler than the exterior temperature. These refrigerators do not require high amp-hour because solar panels are the primary source of battery recharging for these refrigerators.
Output of Solar Refrigerators
Models of solar refrigerators are typically marketed on the basis of their output in watts. Watts can be converted into amps by using basic equation that 100 watts provide approximately 6.25 amps or 16 volts when the sun is shining at its peak. It doesn’t account for solar intensity hat changes throughout the day. Atmospheric air temperatures remain cooler than summer during winter season, so refrigerators do not require high amount of energy to run during colder climatic conditions.
Solar Refrigerators for Food and Vaccines
Solar refrigerators are considered as a mechanism for the delivery of vaccines and food in needy countries. There are different types of solar refrigerators that are being utilized for food and vaccines. These include:
Kerosene Refrigerators
These refrigerators are used historically for cooling of vaccines and food. Kerosene is required in a particular quantity like a liter of kerosene everyday. Kerosene is not reliable for the maintenance of temperatures that are required for the vaccines.
Solar Vaccine Coolers
Solar vaccines coolers mainly rely on back up batteries. These coolers are more expensive than kerosene refrigerators. Their cost ranges from $3500 to $4500.
Solar Chill Coolers
Solar chill coolers are available at cheaper prices than solar vaccine coolers. Their price is usually $1500. They are capable of storing in three 60 watt voltaic units and they have built-in AC/DC converter. The converter provides flexibility to these coolers for using wind, bio-gas, hydropower, a car battery or grid energy as back up battery. Residential solar refrigerators are also being constructed by various solar companies.
There are various companies that are manufacturing efficient solar refrigerator models. These companies include SunDazer that is featuring battery free solar refrigerators and other models that require more efficient and smaller power systems with low operating costs. The size of these solar refrigerators are same as the size of a chest and they run on 75-watt solar units, thicker insulation of polyurethane and 12/24 VDC low voltage disconnect for the protections of battery.
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Tags: 12 volt, air, air temperatures, amount, backup, basis, bio-gas, cabin, car battery, cells, chest, chest size, Chill, converter, Cooler, delivery, energy, Environment, expense, exterior, food, fossil fuels, greenhouse, grid energy, home, initial costs, insulation, maintenance, needy countries, Photovoltaic, photovoltaic cells, polyurethane, power systems, refrigerators, renewable energy, Solar cell, solar cells, solar energy, solar intensity, solar panel, solar panels, Solar power, solar power energy, solar refrigeration, solar refrigerator, solar refrigerators, sun, SunDazer, Technology_Internet, temperature, USD, Vaccine, VDC, watt, winter, winter seasonSeptember 30 2011
The renewable revolution
For a change, here is a non-Cassandric post. The growth of photovoltaic and wind energy has been impressively fast during the past 2-3 decades. We have generated an energy revolution: renewable power has a market and it grows. It is a revolution that can't be stopped any more.
Finding Solar Cells For Sale
Are you fed up with thinking about the amount of money you have to spend every time on payment of the utility bill? Even though you might be trying to live as comfortably as possible, but it would be really surprising for you to know that the heat and electricity on which you rely in your homes and offices comes from the burning of coal and probably from the nuclear power. There are a lot of severe negative effects of these sources of fuel on the quality of the natural environment being shared by all of us. It will not be complicated or expensive for you to change your home or business from to a more renewable source of energy. It would be a good place to start, if you start finding solar cells for sale.
Why People Are Reluctant In Utilizing Solar Cells?
The idea of buying the solar cells for sale might be confusing for you, if you are not aware of utilizing solar power for heat and electricity. A lot of people clearly realize the fact that how much significant it is to take into consideration renewable sources of energy as soon as they become accessible.
It may be the case that you have seen solar power arrays in your town which are being used on homes and businesses, but you might consider them so expensive or complicated to obtain their benefit.
Awareness About The Solar Cells:
If you would opt to go to the market in the near future for the purpose of finding solar cells for sale in the future, you should be aware of the fact that solar cells are equipment that generate electricity from light through the process of photovoltaic effect.This means that these cells capture sunlight transferred to the earth and then convert them into electricity which in turn is used to power appliances and to heat the homes. As the sun is free and an everlasting resource, it signifies a very significant way for you to reduce your carbon footprint.
Constructing Solar Cells Yourself:
You have to locate solar cells for sale at an affordable price, if you desire to take advantage of this technology. There are a lot sources to find out the products through which you can create your own solar power arrays. You might be concerned in buying the components separately, and creating it yourself, if you are practical.
Taking The Services Of Local Companies:
You can get direction regarding this from numerous sources on the internet. You can also prefer many local companies that are providing solar installation services, if you desire to make it easy for you.
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Tags: advantage, amount, amount of money, appliances, benefit, capture, Carbon, carbon footprint, cells, coal, consideration, Constructing, direction, Electricity, energy, Environment, equipment, heat, installation, market, natural environment, nuclear power, Photovoltaic, place, quality, renewable energy, renewable source of energy, renewable sources of energy, Sale, Solar cell, solar installation services, Solar power, source of energy, sunlight, Technology, Technology_Internet, US Federal ReserveSeptember 26 2011
Don’t be a PV efficiency snob
A common question I get when discussing solar photovoltaic (PV) power is: “What is the typical efficiency for panels now?” When I answer that mass-market polycrystalline panels are typically about 15–16%, I often see the questioner’s nose wrinkle, followed by dismissive mumbling that 15% is still too low, and maybe they’ll wait for higher numbers before personally pursuing solar. By the end of this post, you will understand why this response is annoying to me. At 15%, we’re in great shape: it’s plenty good for our needs.
August 20 2011
What Are Solar Collectors?
Solar collectors capture the solar thermal energy that emits out from the sun and reaches to solar collectors. Solar collectors usually work with their heat. On the other hand, Solar Photovoltaic panels work with sunlight. The term photovoltaic means sunlight conversion into electricity.
Working of Solar Collectors
Thermal energy of sun can also be used for electricity generation. However, this function is done in an indirect way. Each solar power plant contains collectors; these collectors are used to heat water. Heated water produces steam that drives turbines. The turbines are attached to electrical generator that creates electricity.
Applications of Solar Collectors
Solar collectors offer different applications for home usage. For example, solar collectors are used for pool heating. Also, they are used for water and space heating within the home.
Heating Application of Solar Collectors
Currently, heating is by far the most cost effective application of solar technology. It is cost effective because heating devices are cheaper than those devices that are used to generate electricity. Most of the widespread PV options contain silicon in their panels. Silicon is widely available and due to its abundance it makes heating devices cost effective.
Good Points of Solar Collectors
Luckily, solar collectors are available at affordable prices. Consumers can recover the entire investment within only few years when they use solar collectors for solar pool heating. For home usage, water heating systems are also very beneficial.
Types of Solar Collectors
There are two types of solar collectors that are readily available. These are liquid and air based collectors. The classification of these two types of collectors is usually done on the basis of the basis of their temperature needs. They are classified into low, medium and high collectors.
Low Temperature Collectors
Low temperature collectors are used for heating needs that range between 5 to 30 degrees above the temperature of surrounding environment. These collectors are most commonly used for swimming pool heating. These solar collectors are readily available in plastic material. However, plastic is not ideal choice for sunny areas, as it deteriorates in the sun quickly. Metal solar collectors are the better choice than plastic ones.
Which is he Most Cost Effective of these System Levels?
Systems that use aluminum plates for absorption and copper for water circulation are the most cost effective of these system levels. Conductive property of copper is very high and it is highly compatible wit water.
Medium Temperature Solar Collectors
These collectors provide heating between 15 and 200 degrees anywhere. These collectors are basically used for water and space heating within the home. These collectors use one or two glazes, which are glass or plastic cover that are used to cut down heat loss. They are very useful in cold air conditioning systems.
High Temperature Collectors
These collectors are most commonly used for specialized purposes like electricity generation. Efficiency of these collectors can be improved with the help of tracking systems.
The design of both the lower and the medium temperature ranges are of the flat-plate. While, high temperature collectors may be of different styles. These styles include trough and parabolic dish reflector. These collectors can be modified as well.
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Tags: abundance, cold air conditioning systems, consumers, conversion, Electrical generator, Electricity, Electricity generation, energy, Environment, heating devices, Home heating, low temperature, Metal solar collectors, Photovoltaic, PV, silicon, solar collector, solar collectors, solar energy, solar panel, solar photovoltaic panels, solar pool heating, solar power plant, solar technology, solar thermal energy, Solar Water Heating, space heating, steam, sun, sunlight, swimming, turbines, water heating systemsAugust 02 2011
Solar Energy and Solar Modules
Energy production is one of the most primal and important issues that must be addressed. Over the course of time, several new methods and techniques have been developed to produce electricity. Power production regime has been completely revolutionized by the use of alternative production of energy. Energy crisis can be dealt with.
Developing Power Resources – A World In Need
Many developing countries face a lot of power crisis. These countries often come to a point where production of energy is quite difficult. Fuel cost and labor expenses are continuously growing and many power houses cannot quite come to the fact that things are out of control. Have a look at the amazing Solar Power Panels. These Modules can effectively help many individuals. Power House Companies can also make use of them to produce.
Solar Energy – A Breakthrough
Solar Energy is the energy that is harnessed by the use Sunlight. Sunlight can be trapped and used in a very effective manner. The Sun is the most powerful effective means of providing with energy. The Sun delivers as much as 175 Petawatts of energy to the Earth. The total amount of energy is enough to sustain all energy needs.
Conventional Means of Energy Discarded – Alternative Means Discovered
Solar energy can be the perfect solution to many individuals and countries. These countries can make use of the effective power resources. This source of energy is very efficient. Solar Power can be easily harnessed at any particular location provided that the sun is shining. Solar Power Panels can easily be installed at rooftops.
Solar Energy Is A Blessing
Many homes make use of Solar Panels. These Solar Panels make use of the Photovoltaic cells. The Photovoltaic cells effectively convert the heat energy provided by the sun into electrical energy which is then converted into electricity. This electricity is usually formed in the DC current form. The DC current is not suitable for appliances and other products.
Conversion of Electricity – AC and DC Current
To convert the DC current, an Inverter is used. The DC current is effectively converted into AC current. The AC current easily powers any object or device. It can easily be used at home. The Solar Panels are quite expensive however many companies like Siemens, Kyocera and Sharp produce some of the best available Panels.
Cost Effective and Completely Feasible
These Panels can also be purchased at a very feasible cost. All Panels can be insured for any further future prospect. Power Panels can be placed on top of the rooftop. The primary process through which a Power Panel operates is quite simple and easy. The entire system includes an Inverter and Solar Power Panels.
Solar Power Panels – A Guide To Beginners
These Solar Power Panels should be only installed through experts who can contribute to the project. The Solar Power Panel is equipped with a water heating system. The heated water generates steam and which in turn converts the heat energy to electrical energy. The electrical energy is then supplied to the entire household.
Batteries – Take Care
A Solar Power Panel can also be used with Batteries. These Batteries come with the original Panel kit and be used easily. The Power Panel produces enough amount of energy to consume daily. However incase of any sort of shortage, the Batteries can be used and a very suitable voltage be obtained.
How Batteries Work – They May Be Worn Out
One thing that must be kept in mind is the usage of Batteries. These Batteries will eventually wear out and will need replacement. A lot of dependence on artificial means of obtaining energy can cause long term damage to the system as well. One must depend upon the Solar Power Panel as well as some energy from Local Power Company.
Solar Power Modules – The Process
The Solar Power Module is actually a series of Power Cells mounted or joined together. These cells operate in a similar fashion and control the voltage and current supply. These cells are arranged in a Parallel series manner. It can easily work out and provide surrounding appliances with the required amount of electricity.
The Structure of a Module – Energy Producing Ideas
The Solar Power Modules are effectively made. The covering of the Solar Power Modules is done by a strong and protective coating. This coating is made up of carbon fiber and is weather resistant. Some cells are wired to the system individually and also provide with extra power and current to stabilize the entire system.
What Makes A Solar Panel?
A bunch of several Solar Power Modules are known as the Solar Panel. This Solar Power Panel powers the entire system and works together effectively. These Solar Power Panels are the most wonderful and energy effective means of obtaining energy. Solar Power has literally revolutionized the world with its wide approach.
Types of Photovoltaic Cells
Polycrystalline and Monocrystalline silicon are the two most important and primary types of Photovoltaic cell technology. These technologies are used by several companies to manufacture their product. Many companies only work with one material whereas others use both. These PV Cells are used in the power generation process.
Monocrystalline Silicon Cells – The Highly Effective Solution
Monocrystalline Silicon Cells are a very distinct type of crystal. This crystal is grown in just one direction. The cells made from this plane are quite effective and wonderful. Everything is perfect regarding the structure of the cell however they are much more expensive to manufacture and highly efficient.
Polycrystalline Cells – Economic Option
The Polycrystalline Cells are the much more common and grown from a crystal which grows in several directions. These cells are easy and economic to manufacture. These cells are lower in efficiency and the resulting modules are much larger in size. Due to this factor a lot of space is taken.
Silicon Nitride Multicrystalline – A New Discovery
The introduction of Silicon nitride multicrystalline is considered to be a great breakthrough. These cells are considered to be even more effective and powerful then the Monocrystalline Silicon Cells. They are mostly used in the new Solar Panel Projects.
Power Consumption – You Decide!
How much energy one needs is at one’s discretion. The amount of average energy consumption can be easily calculated and worked upon. In this manner a very suitable and operate able method can be implemented on the household. The Power Panels can be easily installed.
This is the amazing Solar Power Panels and their wonderful work and efficiency.
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Tags: average energy consumption, cell technology, conversion of electricity, developing power, Developing Power Resources, electrical energy, Electricity, electricity power, energy, energy crisis, energy effective means, energy needs, energy production, Environment, fuel cost, heat energy, Kyocera, labor expenses, Photovoltaic, Photovoltaic cell technology, photovoltaic cells, power crisis, power house, power houses, Power resources, renewable energy, rooftops, Sharp, Siemens, Solar cell, solar energy, solar panel, Solar power, solar power panels, source of energyJuly 11 2011
Of Buck Rogers, magic elixirs and fusion power
Physicists and other hopefuls seek energy solutions on far off horizons. But what's really needed are solutions that are available which will put folks back to work, move the economy and address energy resilience at the same time.
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