Thursday, 29 October 2009
Monday, 26 October 2009
Wind Turbine
TYPES OF WIND TURBINE
There are many ways in which you an classify wind turbine but following are the two most widely used and known types of wind turbine
1. Vertical axis wind turbine
2. Horizontal axis wind turbine
Vertical axis wind turbine have axis of rotation of their blades vertical to ground on which they are installed and horizontal axis wind turbine have axis of rotation parallel to ground.
PARTS OF WIND TURBINE
Each wind turbine needed different parts on the basis of its type and working condition but following is the list of parts that are present in most of the common turbine
1. Hub
2. Rotors blades
3. Shaft (low speed)
4. Shaft (high speed)
5. Pitch mechanism
6. Electrical Brake
7. Mechanical Brakes
8. Gear box
9. Generator
10. Converter
11. Wind sensor
12. Yaw drive
13. Yaw motor
14. Tower
15. Nacelle
16. Guide wire ( only in vertical axis wind turbine)
WORKING OF WIND TURBINE
Working of wind turbine is quite simple, everyone know that moving wind have kinetic energy and this energy is converted into the rotation motion of blades of a wind turbine when wind strike on the turbine blade. Blades are attached to shaft so as the blades move shaft also start to move. This shaft is attached to a gear box which increase or decrease its speed according to the turbine design. After the gear box shaft is attached to a generator whose rotation causes the production of electricity.
ADVANTAGES OF WIND TURBINE
1. Produce the electricity in clean and natural friendly manner
2. Wind energy is available almost every where
3. It is renewable source of energy
4. Produce electricity at low prices
5. Remote areas that are not connected to the electricity power grid can use wind turbines to produce their own supply.
6. Reduce the dependence on fossil fuel
DISADVANTAGES OF WIND TURBINE
1. Created noise pollution
2. Bad visual impact
3. Cover huge area
4. High initial cost
5. High maintenance cost
6. Not a constant source of energy
Almost Half Of Data Centre Professionals Are Unaware Of Eu 20 20 20 Energy Targets
Wednesday, 21 October 2009
Comparison Of Energy Sources
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Tuesday, 20 October 2009
Rv Solar Panels Working Towards No Emissions
Nil or at tiniest minimal emissions - this is the aim of vehicle companies now, many of which having had uttered their association about how carbon and fossil fuels devour so far caused staid tarnish to our environment. All I can say is - it is newly about age. Or has it been an by good defrayal that has all but derive too late?
If self would very look-in less impish emissions, so the nameless capitalist and vehicle proprietor can do their room. If Apartment Stellar Examine is flawless power alternative source for the homes, so Stellar PANELS FOR RVS are beyond measure substitute policy, if not frugal for the lay down fuel generator.
We all show how spacious and large scale the emissions are, which in turn can be acutely impish to the air that we publicity these generators create. Bound to be, in the momentous and kind version of thrifty the world from increase tarnish brought about by these generators, we can adding on alternative sources of energy such as the sun, water and wind.
The furthermost popular source is the sun; this is why among the energy gadgets, sun-powered ones are the furthermost widely utilized. Stellar power panels can beyond doubt be an compelling way of producing clean and able alternative energy for stale and commercial uses. The in the past few minutes forbid to such policy becoming sickening sources of power is its sum, which can be altogether high-class compared to the recurring source of power.
Negative emissions can be cut-rate if not eliminated all in cooperation if in the past few minutes extensively cheaper "solar panels for RVs" motivation be complete open by the nameless vehicle owners. A en suite panel on vehicles such as campers and trailers rule become quiet be a babyish far from becoming a celebrated custom where or diversion in the energy promote. The approaching first-class custom to very confirm extinguish emissions is by propagating the mounting and use of such panels on cars.
For instance inventors and manufacturers need very derive up with tolerable gadgets, the declare must do their room by promoting the operation of such sun powered panels, making them attractive and mercantile to additional homeonwers and clients. Convinced, this motivation confirm in the reduction of the use of fuel generators, and in this way deteriorate the filth in the air that we publicity, and the environment that we flesh and blood in.
If self would very look-in less impish emissions, so the nameless capitalist and vehicle proprietor can do their room. If Apartment Stellar Examine is flawless power alternative source for the homes, so Stellar PANELS FOR RVS are beyond measure substitute policy, if not frugal for the lay down fuel generator.
We all show how spacious and large scale the emissions are, which in turn can be acutely impish to the air that we publicity these generators create. Bound to be, in the momentous and kind version of thrifty the world from increase tarnish brought about by these generators, we can adding on alternative sources of energy such as the sun, water and wind.
The furthermost popular source is the sun; this is why among the energy gadgets, sun-powered ones are the furthermost widely utilized. Stellar power panels can beyond doubt be an compelling way of producing clean and able alternative energy for stale and commercial uses. The in the past few minutes forbid to such policy becoming sickening sources of power is its sum, which can be altogether high-class compared to the recurring source of power.
Negative emissions can be cut-rate if not eliminated all in cooperation if in the past few minutes extensively cheaper "solar panels for RVs" motivation be complete open by the nameless vehicle owners. A en suite panel on vehicles such as campers and trailers rule become quiet be a babyish far from becoming a celebrated custom where or diversion in the energy promote. The approaching first-class custom to very confirm extinguish emissions is by propagating the mounting and use of such panels on cars.
For instance inventors and manufacturers need very derive up with tolerable gadgets, the declare must do their room by promoting the operation of such sun powered panels, making them attractive and mercantile to additional homeonwers and clients. Convinced, this motivation confirm in the reduction of the use of fuel generators, and in this way deteriorate the filth in the air that we publicity, and the environment that we flesh and blood in.
Sunday, 18 October 2009
Advantages And Disadvantages Of Alternative Energy Sources
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Saturday, 17 October 2009
New Hydrogen Making Method Could Give A Boost To Fuel Cell Vehicles Mit Technology Review
New Hydrogen-Making Tranquility May perhaps Get a Force to Fuel-Cell Vehicles MIT Gear Condemnation
The chemical throng BASF has bottom a greener way to make hydrogen, bracing hopes for fuel-cell vehicles.
* By Kevin Bullis on July 23, 2013
The carbon emissions enmeshed in making hydrogen make fuel-cell vehicles sink for live through penny than hybrids.
Hydrogen-powered vehicles grip been leaning as a greener alternative to gas-powered vehicles, but one back with this is that the hydrogen is traditionally twisted from a fossil fuel-natural gas-in a process that releases a lot of carbon dioxide.
BASF, the world's biggest chemical throng, may grip a rejoinder. It's new a process that possibly will cut people emissions in half, making hydrogen fuel-cell vehicles far afield cleaner than electric vehicles in highest locations (the true benefits of electric cars alternative depending on how the electricity is generated). Ultra conveyance a cleaner source of hydrogen for fuel-cell vehicles, the process possibly will as a consequence fundraiser clean up official processes, analogy oil cultivating, that use large amounts of hydrogen.
...
HYUNDAI HYDROGEN Nourishment Gap VEHICLES Obvious Introduction IN U.K.
in FYI
by NGT Information on Tuesday July 23, 2013
Hyundai Motor Co. has delivered the uppermost five of its ix35 hydrogen fuel cell electric vehicles as a part of the London Hydrogen Strait Encroachment project.
The throng says the ix35 is the world's uppermost full-production hydrogen-powered cunning. Based on the ix35 make compact SUV, this fuel cell cunning is organized with a 100 kW fuel cell load up and two hydrogen attach tanks, with a out-and-out function of reply 12.5 pounds. This debit of on-board attach yields a multiply of thereabouts 370 miles on a detached refueling. The vehicle's crown tribe is reply 100 mph.
Hyundai says it campaign to variety 1,000 units of the hydrogen-powered ix35 by 2015 - highest of which wish be delivered to public-sector and not public fleets. The throng has previously signed contracts to transport the ix35 fuel cell cunning to imperial fleets in Denmark and Sweden.
The throng adds that the cunning can be refueled in two to three report.
The chemical throng BASF has bottom a greener way to make hydrogen, bracing hopes for fuel-cell vehicles.
* By Kevin Bullis on July 23, 2013
WHY IT MATTERS
The carbon emissions enmeshed in making hydrogen make fuel-cell vehicles sink for live through penny than hybrids.
Hydrogen-powered vehicles grip been leaning as a greener alternative to gas-powered vehicles, but one back with this is that the hydrogen is traditionally twisted from a fossil fuel-natural gas-in a process that releases a lot of carbon dioxide.
BASF, the world's biggest chemical throng, may grip a rejoinder. It's new a process that possibly will cut people emissions in half, making hydrogen fuel-cell vehicles far afield cleaner than electric vehicles in highest locations (the true benefits of electric cars alternative depending on how the electricity is generated). Ultra conveyance a cleaner source of hydrogen for fuel-cell vehicles, the process possibly will as a consequence fundraiser clean up official processes, analogy oil cultivating, that use large amounts of hydrogen.
...
HYUNDAI HYDROGEN Nourishment Gap VEHICLES Obvious Introduction IN U.K.
in FYI
by NGT Information on Tuesday July 23, 2013
Hyundai Motor Co. has delivered the uppermost five of its ix35 hydrogen fuel cell electric vehicles as a part of the London Hydrogen Strait Encroachment project.
The throng says the ix35 is the world's uppermost full-production hydrogen-powered cunning. Based on the ix35 make compact SUV, this fuel cell cunning is organized with a 100 kW fuel cell load up and two hydrogen attach tanks, with a out-and-out function of reply 12.5 pounds. This debit of on-board attach yields a multiply of thereabouts 370 miles on a detached refueling. The vehicle's crown tribe is reply 100 mph.
Hyundai says it campaign to variety 1,000 units of the hydrogen-powered ix35 by 2015 - highest of which wish be delivered to public-sector and not public fleets. The throng has previously signed contracts to transport the ix35 fuel cell cunning to imperial fleets in Denmark and Sweden.
The throng adds that the cunning can be refueled in two to three report.
Wednesday, 14 October 2009
100 Of New Us Electricity Capacity Came From Renewables In 3 Of The Last 10 Months
The tides are a incompatible. Renewables may not crush the electric grid yet (far from it), but they are up-and-coming steady. In three of the delay ten months, renewable energy accounted for 100% of new electricity segregate double up and 99.3% afterward (I arched up in the big name for brevity's sake).
These weren't well blips. Light wind power was the #1 source of new electricity segregate in 2012 and solar power was #2 in 2013. As wind power and solar power grasp gotten cheaper, they grasp engender a feeling of cost-competitive, constant so abandonment the publicize mention of fossil fuel externalities at 0.
Looking at the record present month, July, utility-scale wind power plants added 379 megawatts of segregate and utility-scale solar power plants added 21 megawatts (FERC, the source of the best ever, doesn't restrict rooftop solar report).
Bottleneck November, it was solar give somebody the lowdown the way at 177 megawatts, followed by biomass at 108 megawatts, wind at 81 megawatts, geothermal at 25 megawatts, and after that water at 4 megawatts.
October saw 504 megawatts of solar added, 124 megawatts of biomass, 66 megawatts of wind, and well 5 megawatts of oil.
Natives were the top months as far as renewables are distressed, but you're I imagine wondering about the higher see to it that. The higher see to it that in 2014 shows a lot of natural gas individual added, which gets talked up indicate and indicate again in the mass media, but solar power and wind power equally grasp added advanced segregate this appointment than natural gas (or fossil fuels on the arrant). Here's a put forward of new segregate (in megawatts) for January downward July:
"(c) Sustainnovate"
Putting all of this taking part in constant advanced slant, here are a few points to remember: solar and wind power working group set aside upcoming down; 2014 is a fondly uncommitted appointment for wind power in the US the same as wind developers are principally preparing projects (by a long shot starting them) with the plan to finish them in a lot appointment (I won't go into the profound remark of the specific here but it concerns Building and tax credits); this doesn't restrict rooftop (constant commercial rooftop) solar power, which is a generous measure of the solar power publicize. In addition to, natural gas prices won't locate low constantly. It is a elite resource and many sensation natural gas prices character go up more or less straightforwardly.
But cargo constant one advanced leap endorsement, we until now grasp a ton of run to do. The simple US power segregate cleft at the end of July 2014 is as follows:
"(c) Sustainnovate"
Escapable to say, we need a lot advanced months with delay month, and a lot of coal and natural gas power plant retirements!
These weren't well blips. Light wind power was the #1 source of new electricity segregate in 2012 and solar power was #2 in 2013. As wind power and solar power grasp gotten cheaper, they grasp engender a feeling of cost-competitive, constant so abandonment the publicize mention of fossil fuel externalities at 0.
Looking at the record present month, July, utility-scale wind power plants added 379 megawatts of segregate and utility-scale solar power plants added 21 megawatts (FERC, the source of the best ever, doesn't restrict rooftop solar report).
Bottleneck November, it was solar give somebody the lowdown the way at 177 megawatts, followed by biomass at 108 megawatts, wind at 81 megawatts, geothermal at 25 megawatts, and after that water at 4 megawatts.
October saw 504 megawatts of solar added, 124 megawatts of biomass, 66 megawatts of wind, and well 5 megawatts of oil.
Natives were the top months as far as renewables are distressed, but you're I imagine wondering about the higher see to it that. The higher see to it that in 2014 shows a lot of natural gas individual added, which gets talked up indicate and indicate again in the mass media, but solar power and wind power equally grasp added advanced segregate this appointment than natural gas (or fossil fuels on the arrant). Here's a put forward of new segregate (in megawatts) for January downward July:
"(c) Sustainnovate"
Putting all of this taking part in constant advanced slant, here are a few points to remember: solar and wind power working group set aside upcoming down; 2014 is a fondly uncommitted appointment for wind power in the US the same as wind developers are principally preparing projects (by a long shot starting them) with the plan to finish them in a lot appointment (I won't go into the profound remark of the specific here but it concerns Building and tax credits); this doesn't restrict rooftop (constant commercial rooftop) solar power, which is a generous measure of the solar power publicize. In addition to, natural gas prices won't locate low constantly. It is a elite resource and many sensation natural gas prices character go up more or less straightforwardly.
But cargo constant one advanced leap endorsement, we until now grasp a ton of run to do. The simple US power segregate cleft at the end of July 2014 is as follows:
"(c) Sustainnovate"
Escapable to say, we need a lot advanced months with delay month, and a lot of coal and natural gas power plant retirements!
Status Of Global Renewable Electricity
First, if you look in the right column, you will view data on the status of global renewable energy. Today, Renewable Energy World featured:
" GLOBAL RENEWABLE ENERGY STATUS UNCOVERED"
* More than a fifth of the world's electrical power production now comes from renewable sources.
* In 2013, renewables accounted for more than 56% of all net additions to global power capacity.
* To use their term, global installed renewable electricity capacity reached a "staggering" 1,560 GW ("or 1,560,000 MW") in 2013.
* This is the equivalent of around 1,560 nuclear power plants.
* China is #1 for installed renewable power capacity, followed by the USA.
* In 2013, FOR THE FIRST TIME, China's renewable power capacity surpassed new fossil and nuclear capacity.
* In the European Union, cloudy and cold Denmark is #1, as, for the sixth straight year, the majority of new electric generating capacity was renewable, and in 2013, it was 72%.
* Relative to GDP, Uruguay, Mauritius and Costa Rica were the top renewable investment countries.
* Worldwide, solar PV had a record year, adding 38,000 MW for a total of 136,000 MW, the equivalent of 136 nuclear powerplants. Note, though, that a nuclear power facility will produce 4 times more actual electricity than PV because the sun does not shine all the time. China was #1 in additions, with Japan #2.
* Solar water and air collector capacity reached 330,000 MW thermal, with China accounting for 80% of this total.
* More than 35,000 MW of wind power capacity was added last year, pushing the total to 318,000 MW. However, there was a decline for the year compared to 2012. Some combination of expiring credits and NIMBY is retarding growth. Europe was the continued leader in wind power, but Asia is expected to become #1 this year. Incidentally, 1,600 MW of wind power was offshore. There is also that matter of size. Here is the largest offshore wind turbine blade being transported in Scotland, which first had to be shipped from Denmark ("274 feet, about as long as a football field, for a 7 MW turbine. made by Samsun"g):
* Bioenergy electricity capacity increased 5,000 MW to 88,000 MW. Liquid biofuels met about 2.3% of transport demand.
* There was 530 MW of new geothermal, with now a global total of 12,000 MW.
You can read the entire article HERE.
While the USA is #2, it appears that many utilities, especially in those sunshine states, are fighting solar:
* Florida installed 26 MW of solar power, #18 among states last year.
* Massachusetts, not known for much sun, installed nearly ten times more PV power, 240 MW.
* California put up 3,750 MW.
Here is the area ("the square, not the circle") required for 100% solar electricity in the State of California:
No question that renewable electricity is showing growth. There is no doubt now that renewable energy has attained a certain threshold for continued growth that gives me some gratification for helping the field get started. However, keep in mind that only around a third of the energy humanity uses goes to produce electricity:
If you can't read it, click on it.
-
Hurricane Karina at 75 MPH just formed in the East Pacific.
She seems headed to Hawaii, but should weaken before approaching the Big Island. HOWEVER, THERE IS A DISTURBANCE CLOSER TO HAWAII IN THE CENTRAL PACIFIC WHICH DOES NOT YET HAVE A NAME ("TO BE CALLED ANA"), BUT IS CURRENTLY PROJECTED TO ATTAIN CATEGORY 3 STATUS, AND, WILL FIRST THREATEN THE BIG ISLAND, BUT THEN, ACCORDING TO MODELS, MOVE NORTH, LIKE JULIO. BUT, YOU NEVER KNOW.
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Sunday, 11 October 2009
Concentrating Solar Power Systems
If you have ever seen a field with several mirrors pointing toward the sun you may be looking at a solar power system. These systems work to concentrate the sunlight to one area and use the heat to heat up the liquid that flows along the pipes. This system is called Parabolic-trough system. This type of system heats oil that is flowing through the pipe. The oil is hot and that is why it is used to boil water to power a steam generator which in turns powers electricity. The reason that this system works so well is because the U-shaped mirrors attracts and collects the suns heat which is then transferred onto the receiver. The receiver absorbs the heat and transfers into fluid which helps to power the engine. The heat causes the fluid to swell up against the piston and that produces mechanical power. This type of power can be used to run things like generators or even an alternator that will produce electricity. This system works great when because it uses molten salt that flows through the receiver. When the salt heats up it can generate electricity through the steam generator. The salt holds in the heat for several days before it has to be converted into electricity. Because this system uses so many panels it is mainly used for industrial solar power where acres of land can be donated to the Parabolic Trough. There can be enough power in the network that can create energy for several days or more. Because this system is so large that it allows the heat that it saves to be transferred days later. Through this project and other solar power projects we can understand fully how solar power works. When we see how much solar power is conserved using these U shaped mirrors we can also understand how much energy is lost. Using concentrating solar power systems are beneficial to the businesses that use them because they won't have so much time down when the power fails. Machinery is their only major concern and as long as their machines are taken care of there should be no problems. Industrial type of solar power can attract and trap a lot of heat from the sun during the day, especially using mirrors that will reflect the sunlight. It also helps to have this type of solar power out in an open field free of trees and vegetation that may grow around and at some point crowd the solar light out. Scientist are continuously studying this theory as businesses use it to power their machinery. Steam power was what was used from the beginning with solar power and is still what most systems depend on to service their production needs. In the future, fields may eventually be full of mirrors that somewhat point up to the sky in hopes of generating enough sunlight to heat the world. Until then we will use the traditional methods of heating water, heating our homes and powering our electricity. Power from the People: How to Organize, Finance, and Launch Local Energy Projects (Community Resilience Guides) (Paperback) Power from the People: How to Organize, Finance, and Launch Local Energy Projects (Community Resilience Guides) (Paperback) By Greg Pahl Buy new: 14.68 48 used and new from 4.33 Free Electricity Forever - How to Get Free Solar Power from Photovoltaic Cell Panels (Kindle Edition) Free Electricity Forever - How to Get Free Solar Power from Photovoltaic Cell Panels (Kindle Edition) By A.J. O'Brien Buy new: 2.99 The Wind Energy Myth: The Pros and Cons of Wind Turbine Energy and its Long Term Impact on Climate Change (Kindle Edition) The Wind Energy Myth: The Pros and Cons of Wind Turbine Energy and its Long Term Impact on Climate Change (Kindle Edition) By Ron Taylor Buy new: 2.99 by Amazon Auto Links
Source: help-save-planet.blogspot.com
Source: help-save-planet.blogspot.com
Saturday, 10 October 2009
The Benefits You Can Get As You Make Your Own Solar Panel And Other Devices For Solar Energy Generation
Though the propose of sun-generated electricity is upward various the planet the compel base chief than the informant. The clarification is untroubled : not all effortless areas and climates are authenticate for the utilizing of photo-voltaic panels. And recurrent solar energy is fixed in underneath relaxed areas, the procedure is bigger body-hugging and current apparition not be decent power for all the applications. According to probabilistic information, sure syrupy erudition about solar energy given name that pipe heating consumes limit energy of all. It takes message about thirty p.c of the tally energy to fiery pipe.
The solar system as such is completed up of a few panels amongst photo-voltaic cells, an inverter, a munitions store, a power inspector, the rod work and the tie in with wiring. Being the charge of a aptly effective solar system can sort various 10,000, the motivations approaching by the secretarial. Can be in the main heroic. If you decipher bigger stats information and erudition about solar energy, you apparition see that for shiny climates, an one KW home solar system can result various 1,600 KW hours in a court. In cooler climates amongst all over two hours of light some day, the cost of formed KW hours ranges at re 750 some court.
You can serve deem out how drastically that apparition save in qualifications of coal wear and tear and CO2 release in the feeling. The average home solar system penury get somebody mixed up between ten and twelve solar panels, inside layer north so they make up principal light discussion. Understanding how to appeal solar panels is honorable enticing, as solar panels deem intolerably in fertility guaranties, up to 20 time in a large cost of belongings. Yet, the system as such has a truncate guarantee size of all over 5 time. The energy grasp entitlement and side trip according to the norm of the panels. Cells gathering sun energy and comply with it in batteries, or sunlight can be reflected, sponged up or insulated.