Your Questions About Wind Turbine Generators Wiki
Mark asks…
How the mechanical energy of wind and water can be used as a source of electricity?
admin answers:
Both wind and water can turn turbines connected to generators which will generate electricity.
Http://en.wikipedia.org/wiki/Wind_turbine
http://en.wikipedia.org/wiki/Hydroelectricity
Linda asks…
What are some energy transformation devices?
For my physics investigation i have this question:
Identify the various energy transformations by which electrical energy can be produces from other forms of energy.
I got: Chemical energy to electrical energy
Sound energy to electrical energy
Gravitational potential energy to electrical energy
Mechanical energy to electrical energy
Heat to electrical energy
Wind energy to electrical energy
Kinetic energy to electrical energy
Strain to electrical energy
Radiation to electrical energy
Light energy to electrical energy
then theres the question:
Name some of the technological devices that employ each method.
I’ve looked around but I only got battery, Fuel cells, microphone, telephone, transducer, solar panels, solar cells, turbine, motor.
What are some others for each point in the first question?
admin answers:
There are many different machines and transducers that convert one energy form into another. A short list of examples follows:
Thermoelectric (Heat → Electric energy)
Geothermal power (Heat→ Electric energy)
Heat engines, such as the internal combustion engine used in cars, or the steam engine (Heat → Mechanical energy)
Ocean thermal power (Heat → Electric energy)
Hydroelectric dams (Gravitational potential energy → Electric energy)
Electric generator (Kinetic energy or Mechanical work → Electric energy)
Fuel cells (Chemical energy → Electric energy)
Battery (electricity) (Chemical energy → Electric energy)
Fire (Chemical energy → Heat and Light)
Electric lamp (Electric energy → Heat and Light)
Microphone (Sound → Electric energy)
Wave power (Mechanical energy → Electric energy)
Windmills (Wind energy → Electric energy or Mechanical energy)
Piezoelectrics (Strain → Electric energy)
Acoustoelectrics (Sound → Electric energy)
Friction (Kinetic energy → Heat)
http://en.wikipedia.org/wiki/Energy_transformation
ALSO, have a look at
http://www-bioc.rice.edu/pblclass/6th%20grade/Matter%20&%20Energy/Energy%20Transformation%20Game.pdf
I hope I’ve helped you,
Angela!!!
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Your Questions About Wind Generators Ebay
Charles asks…
12 volt 8Amp generator for 2 batteries 12V 35Ah in parallel?
Dear all,
Could you tell me where can I get a 12V generator delivering around 8 to 10 A. I would like to make a wind turbine charging 2 batteries 12V 35Ah in parallel.
Could you also tell me with those 2 batteries connecting in parallel, does the generator has to deliver around 14V (2 volt for the diode)?
Thank you very much.
Yves
admin answers:
Hi Yves, I’m sure there are many websites that can give you better answers so try google too, Yahoo is limited. If you look on ebay you will see lots of permanent magnet 24 volt DC motors for use in scooters, I use one of these, the 250watt model, to power a 12 volt sound system, it can deliver 10 amps at 15 volts. For a wind genny you may have to put gearing between to get the right rpm.
I don’t know if you plan to use a voltage regulator, but if you only intend to use a blocking diode, the best one is a Schottky type, there is a cheap twin 15A schottky from Maplins under £2. I use both 15A diodes in parallel so they won’t get hot & need a heatsink.
The Schottky diode has a voltage drop of just 0.2 volt, I think you put the decimal place wrong
For wind generators the recommended battery charging voltage is 13.8Vmax so 14V with the diode. Car alternators usually produce about 15 volts minus 0.6V for the rectifier, so charge at 14.4 volts. Rutland voltage regulators for wind gennies operate at 13.8volts to stop the battery over-charging.
I don’t know why charging voltages are not the same for a car and a wind genny battery, I’m inclined to think any voltage from 13.8 to 14.4 is ok.
Batteries can deliver a huge current possibly causing burns and starting a fire, so it’s essential to put a fuse in the circuit, right next to the +ve terminal is best.
Good websites are Magnificent Revolution & Cambridge Green Tech
Carol asks…
Making a treadmill generator?
I am designing a treadmill generator, think giant hamster wheel, and I am wondering the best method for creating an alternator and what kind of capacitor bank would be best for storage.The power generated is being used to power a laptop, but the capacitor bank has to be able to power the laptop for at least three minutes after generation has stopped.
admin answers:
Axial Flux Alternator
The axial flux alternator (sometimes called a generator), is the heart to many diy wind turbine projects. While a small permanent magnet, D.C. Motor, such as the Ametek 30, makes for a very quick and simple project assembly, these motors are becoming very difficult to find and quite expensive. Ebay is loaded with people selling D.C. Motors for home wind turbine projects, that simply will NOT work, due to the extremely high RPMs required to get any usable output. Thus a homemade axial flux alternator may be your best alternative.
What is an Axial Flux Alternator?
A permanent magnet alternator generates power by passing magnets past a group of coils of wire. The magnetic field that surrounds a magnet is call it’s flux. Axial Flux simply means the lines of magnetic flux that past through the coils of wire, travel along the “axis” of the turning motion. The other type of magnetic flux in an alternator is called RADIAL FLUX and it occurs when the flux occurs “around” the magnet. Pictures are worth a thousand words:
Radial Flux
Axial Flux Alternator
In the left picture, the yellow disk is the stator. The two bluish plates rotate, along the horizontal axis, past the stationary stator. In the image to the right, the stator is on the case. The rotor, on the axis, rotates “inside” the stator. This guide by Hugh Piggott describes the process in good detail – How Axial Flux Alternators Work
Overview of the Complete Process – Building an Axial Flux Alternator
In February 2001, Hugh Piggott created a guide for building a permanent magnet generator (PMG) (alternator), after being commissioned by the British government. This guide remains in the public domain and provides an excellent overview of the complete process. You can build a PMG from these plans, though these instructions continue to be improved upon. The PDF document can be downloaded here: PMG Manual
This manual describes how to build a ‘permanent magnet generator’ (PMG). We can
also call it an ‘alternator’, because it generates alternating current (AC). Continued…
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Your Questions About Wind Turbines For Home Use
Robert asks…
How to build a home wind turbine to replicate a commercial one?
I am doing a school project and need to build a wind turbine with the same dimensions as a commercial one. Any help would be appreciated along with some references.
admin answers:
The most important thing is to have LOTS and LOTS of money.
If you are a billionaire, that would be a good start.
Charles asks…
Why are wind turbines built with blades stationed vertically?
Wind turbines are built like a clock, with the blades stationed vertically. However, this seems to limit it – the blades only spin when wind is blowing in two directions.
However, if the blades were placed horizontally, spinning like a merry-go-round, it seems like it would be much more effective. If constructed in this manner, wind could blow in all directions and move the blades.
admin answers:
Hey Michael, Ben is correct about the vertical type turbines. The reason none of the power companies use them, is because they are horribly inefficient. Most of the energy absorbed by the downwind blade is used forcine the upwind blade back into position for the next cycle, and very little is left to produce power. Typically, this type of wind turbine, called a Darrieus Rotor, is about 5 to 8 % efficient, meaning less than 1/15th of the winds power is converted into useable torque, or electricity, and the rest is just wasted churning the blade around in the wind. Horizontal units, and in particular the 2 or 3 blade units generally operate at about 30 to 35 % efficiency, or about 6 times more efficient than a comperably sized Darrieus Rotor. The smaller home sized units like ours have a tail that constantly turns the unit to face the wind regardless of where it is coming from. Older farm type turbines with 12 or 15 blades on them usually worked this way too. That type of turbine, with the multitude of wide flat blades were almost never used for electrcity generation, they were also not very efficient. In most cases, they were used to pump water, and in that way what was needed more than efficiency was low wind start up torque. The large multiple blades worked better for this, but tended to stall out in higher winds. Electrical generating wind turbines work much better in high winds and at high RPM’s, so fewer blades is ideal for this.
The really large utility sized turbines you see that have no tail are either fixed to face one direction where the wind is almost always blowing from, like along the coast, or they have a small anemometer on top that senses the winds direction, and a computer uses a small gear motor to physically turn the unit to face the wind if necessary. These are typical in the midwest. Darrieus Rotors, and their close cousin, the Savonius Rotor, are really neat looking devices, and they are great for small garden pond pumps or outdoor garden lighting, but they are ill equipped to produce enough power to run even a household refrigerator. There is a great article at the American Wind Energy Associations website written by Mick Sagrillo about this, if you want to learn more, check it out. Mick is considered by many in the renewable energy world to be the modern day guru on wind power. Take care Micheal, Rudydoo
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Your Questions About Wind Turbine Generators For Home
Jenny asks…
Have any of you built a small wind turbine?
I’m looking to experiment with a wind turbine over the the holidays. I want to build one and learn how they work. Are they efficient, is there a step by step process, how much will it cost? It doesn’t need to power my home, this is just for fun.
admin answers:
Sounds like a cool project… I’d love to try out some ideas too, but haven’t yet.
There’s a boom in “residential wind turbines” and related literature. This link:
http://www.squidoo.com/residentialwindturbine
gives a good summary of what’s commercially available, but about 1/3 down the page is a do-it yourself section with supporting references that might give you a good start.
Same site lists a “Earth4Energy DIY Wind Generator” for around $200. Probably a good start just for learning, then you can scale up as interest & budget allows.
Good luck & be safe!
Susan asks…
can solar panel and wind turbine generator system run for 6 month straight or longer?
I’m planning to work on a project and want to know first before I make my home green energy.
admin answers:
Solar panels currently being manufactured, have a design life of 20+ years.
Home-size wind turbines have a wide range of design lives. The turbine life is influenced by conditions of use — high winds, ice on the blades, etc.
I would recommend that you purchase your home-scale wind turbine from a seller who offers a guarantee to repair or replace the unit if it fails under normal use. A 5-year or 10-year guarantee period would be ideal.
—————–
.
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Your Questions About Wind Generators For Sale
Robert asks…
Magniwork free energy generator really work ?
Does Magniwork free energy generator really work,is there anybody here have used it
thank you
admin answers:
There is no such thing as a device that can generate energy from nothing. So called perpetual machines are announced every few years with great fanfare but they always turn out to be frauds (or in rare cases honest but careless mistakes).
You can generate electricity from a ‘free’ source like sunlight or tides or wind or waves or geothermal heat, but you can’t generate electricity from nothing. To do so violates one of the fundamental laws of physics, the conservation of mass and energy.
Very convincing sales copy can make you believe in such devices. For instance, I remember reading a few years back about a ‘Genesis’ energy generation system that used a catalyst to split water into hydrogen and oxygen while using just a tiny bit of energy; then the hydrogen and oxygen were used to generate electricity through a fuel cell, and almost all the electricity produced was available, only a tiny bit was needed to split more water. This is malarkey and anyone with some basic physics knowledge will know it’s impossible, but it didn’t stop the company from claiming it had over 100 reputable scientists on its staff or board of directors. A good way to get some start-up money – sell some stocks to uninformed investors, then cash out before the house of cards collapses.
Mandy asks…
Since when are the Democrats the party of the big corporations?
All the sudden, the Democrats are the ones that want to run to the rescue of all the big corporations with all these bail outs. What the hell man? I say screw them, if they messed up, GM – See ya. Ford – you’re done. Bank of (Insert name here) – Nice knowin ya! Let them go, we could have used that $1 Trillion in bailout money to pay for unemployment and welfare after all of these companies vanish.
Seenit – as of 2006, Bush can’t do stuff without Democratic support in Congress, so you try again.
admin answers:
Excellent question from someone who obviously has a functional grasp of economics. You didn’t vote Obama, did you? (Oh you hater, you! You must be racist, too!)
If we would have just allowed the ill-managed lenders to get into real trouble and not interfere with them in the form of our ridiculous bail outs, the recession would have been far shallower that it is now going to turn out to be. It’s like getting the flu. Don’t medicate yourself – just get the nasty fever, feel like crap, then get over it.
Now the car manufacturers will be on the dole. We will reward their stupid management practices and ludicrous wages with free money. I say we let them take a dump. Like there’s not a rich investment group out there who would not come swooping in with bucket loads of money to buy Ford at fire sale prices? You’d have the UAW under control again, wages back to where reality resides, and a more competitive product too.
And if a car factory flat out closes, then the goverment can do something actually beneficial for green needs and turn these car factories into wind generator factories, solar panel manufacturers, etc. You want energy independence? Start there!
This bailing everyone out because things didn’t work is childish. I cannot believe how stupid this country has become. It’s like a parent of a teen who just keeps buying his idiot kid a new car every time he wraps it around another tree. Instead of making the kid ride a bike or bus, he just enables him to continue in the bad decision making by throwing more money at the problem.
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Your Questions About Wind Turbine Manufacturers
Ken asks…
If i got the appointment letter from Danish company Can I get the permanent work visa for Denmark?.?
I am preparing interview for an Danish company. They arranged interview for me on next week. But I am not a degree holder. I have done Diploma in mechanical engineering only and 6 years experience. That danish company job also similar to my current job. That’s why i asking for this Question? Please let me know? Thanks in advance.
Additional Details
Dear Friends Thanking you for a special attention for questions.
I can add some details about this question. Kindly write your openion, Please.
Actually i am working in leading wind turbine manufacturing company in india as a mechanical specialist. Only few persons doing this roles in India. I also applied for leading danish wind turbine manufacturer (Siemens wind A/S). Job role also same to my current employement. I applied through that company web site job portal. Application process taken almost 2 months and also i got the updates through that company only. They arranged telephone interview on next week and i am contacting them frequently through email and didnot ask any money and health certificates.
kindly write your openion.
My main question If I am selected form that employer (i know It is too dificult) possible to get the visa?
Thanks in advance.
admin answers:
May the New Year usher in loads of luck and happiness to you! Unlike Gulf countries, where they issue 2-year renewable visas, the European countries issue employment visas which are considerably longer. Who knows, if they like you and your work, they may even offer you citizenship (like the US) after spending a few years in Denmark.
David asks…
How can I search which motor treadmills have? I need to know for a wind turbine project.?
I have a local store that is selling treadmills that came broken. All motors are guaranteed to work, it is just the stand, mat, or other items that are broken and costs too much to repair. I’m interested in these because I can get some treadmill motors really cheap to build wind turbines.
I have the name/models of the treadmills, so how can I search which motor they have without having to call/email the manufacturer? Is there a website for this?
admin answers:
Most tread mills as well as other equipment employs private labeled motors. These motors are manufactured by a motor manufacturer and have the treadmills manufacturer part number placed on them. This is done so that you have to pay the top dollar for a replacement motor from the treadmill company instead of getting one off the open market for a tenth of the price.
I doubt the manufacturer will even tell you much about these motors since the less you know about their motors the more likely you are to buy one from them and they make a handsome profit.
If you can get these treadmills cheap enough you can part them out and sell the parts on Ebay and make a handsome profit. You can have your motors for free!
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Your Questions About Wind Turbine Generators For Home Use
Carol asks…
How can I make a homemade electric generator to power my house?
I was thinking about buying used car batteries from the junk yard and connecting them with jumper cables then testing the connected batteries with a battery tester to see how many volts it has. I havent tried this yet so I dont know if it will work do you guys have any idea on how to make a generator so I wont have to pay for power
admin answers:
To make an electrical generator, you need to have a length of wound copper wire rotating inside a magnetic field (refer to elementary physics).
Gasoline/diesel/etc. Generators run basically like your car’s engine, but instead of turning wheels, it uses the motion to rotate the wire inside the magnetic field, producing electricity. Remember, energy can’t be created or destroyed. The chemical potential energy in your combustible fuel is being converted to kinetic energy, which is being converted into electrical energy.
A wind turbine is more “free” in that you don’t have to go out and buy drums of oil to make your electricity. But it works on the same principle, but in this case, it’s the turbine blades catching the wind that spins the copper loop, creating electricity.
As far as your batteries go, you may be able to store it there, but to charge any battery, from AA to car, you need the correct circuit and voltage, or nothing will happen. So you probably can’t use your batteries. But if you can, all that you an do is store the potential energy there, and use it at a later time.
But if you just want to play with making a generator, try this:
First, you need to choose the energy source that you want to convert into electricity. You can use a stationary bicycle, a water wheel, wind turbine, a bored child willing to do some menial work on a set of gears, or virtually anything else with a rotating axle. You do have to choose the source, because as I said – you can’t get energy from nothing.
Take that copper wire that I talked about, and make that loop that I also talked about, but leave two ends free (you need that to form the electric circuit). The larger the number of turns in the loop, the more electricity you can generate for the same amount of rotation. Kind of like an electric pulley system, to use a bad analogy.
Take your loop, and connect it to your energy source. You need to be able to rotate the loop end-over-end, without twisting the two connecting wires about each other, because if they do, you’ll get a short circuit, and boom, it’s done. One way to successfully accomplish this is to connect one wire to the rotating axle and the other wire to a conducting “brush” that maintains contact with a second conductor.
Make sure that you’ve sufficiently supported the loop so that it’s out of the way of any moving parts of the energy source (such as your legs and the pedals if you pay a seven year old to ride a bicycle that never goes anywhere – give them one of those hand-held video games, they’ll never notice). To make sure that you get this right, you may need to reinforce your loop with plastic or another light (but sturdy) material.
Grab some magnets (permanent magnets), and arrange them around the loop so that the loop can rotate freely between them. Take care to ensure that you arrange the magnets to maximize the field strength. One good and simple method is to make the south end of one magnet face the north end of another.
Stick the two conductors on your energy source to a battery, circuit, chainsaw, whatever it is that you want to drive. Again, you need to keep your wires separate to avoid a short circuit, so you’ll need to use some kind of brush mechanism again, or whatever more clever thing that you can come up with that I haven’t considered.
Poke the kid and get him to start peddling, or release your turbine to the wind, whatever you want. The amount of energy that you get from your turbine will depend on the efficiency of its construction, materials used, and how much mechanical energy us put in to drive it and spin the turbine itself (a faster peddling kid will give you more electricity than a slower one).
Run with it. A home-built turbine is unlikely to provide your house with any really useful power, unless you’ve really taken some time, money, and thought into it (which is possible). But you might run some simple things from your standard knock-off generator, such as perhaps basement lighting, that kind of thing.
Maria asks…
a book which would give basic information about manufacturing of small solar power generators for my home.?
wanted also book of wind generators for the same purpose.
please give the link if possible.
admin answers:
You will not be able to manufacture solar power cells in your own home.
See this link for solar cells.
Http://www.google.com/search?sourceid=navclient&ie=UTF-8&rlz=1T4GGLR_enGB241GB243&q=solar+cells
That is like trying to manufacture a CPU in your own home, you cannot make the semi conductors.
You need a clean factory and millions of pounds worth of equipment for that.
See this link for do it yourself wind turbine.
Http://www.scoraigwind.com/axialplans/index.htm
and this might help
http://www.google.com/search?sourceid=navclient&aq=t&ie=UTF-8&rlz=1T4GGLR_enGB241GB243&q=wind+generatore%2e
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Your Questions About Wind Generators For Boats
Sandy asks…
How has Biodiesel affected you or your truck?
I am seriously considering using a b20-b99 blend for a 10 year old Ford F-350 powerstroke truck. If anybody has had problems with this in a stock engine please let me know. Thank you!
admin answers:
I still think that people are so ignorant when it comes to electric
cars they only think of one way to make them run and that’s batteries.
Its like you lost your mind and have no innovated ability to think of
more than one source of power. Every year people spend millions of
dollars to go to the gym they hop on bikes and treadmills and
ellipticals and pedal away for hours and then pay their gym for it.
Then they hop in their car and pay gas to ride home. The answer was
right in front of your face when you watched the Flintstones as a kid.
Do remember the car on the Flintstones. Hmm, not so stupid now is it?
Do remember how boats got across the ocean? Have you ever held your
hand outside the window and felt the power of the wind resistance
against your hand? The faster you went the more force you felt
pushing against your hand right. Have you noticed that the quality of
solar powered panel technology has increased tremendously in the last
twenty years. The quality of of generators and electric engines is
also there. Our government has manged to keep all of this from you
because they believe you are all ignorant and set in your ways. They
could make cars that run with out wheels but our government would
never allow it to be mass produced. If you had the means to build a
car that had electric generators that produced electricity via wind
power, Human power “recumbent bike pedals”, Solar power and maybe some
lithium batteries you would have a car that would go thousands of
miles without ever needing to be charged or fueled.
But will this ever be allowed. Its amazing that china and japan have
magnetic trains that never touch the track they actually float be we
never use that technology. Its no wonder they do not put any emphasis
on science. They want us to remain ignorant and in the dark. They want
you to keep forking all the billions of dollars in tax revenue. They
want the price of fuel to sky rocket because most of them own the
stock. The only way to overcome the greed is to take matters into our
own hands and break the grip of Fuel mongrels from ourselves by building
our own fuel free cars. I just showed you the way. Now all you have
to do is ” Just Do It!”
My method overcomes the perpetual energy law crap because you get extra energy, Via Human power and solar power! The sun is the source of unlimited free power and so what if you have to pedal your car for it to go long distances. I just saved you from getting fat as hell.
Source(s):
My brain!
James asks…
Where does the power for driving a plane come from after engines stop working.?
After engines stop working, the plane can glide. It still needs to be controlled. What is the power source for the controls.
admin answers:
I work primarily on Boeing products, so my answer is from that perspective.
Short answer: GTCP331
Commercial aircraft use an Auxiliary Power Unit (APU) that provides electrical power and pneumatic pressure. The electrical power can then be used to run the electrical pumps (ACMPs)to pressurize the hydraulic system.
There are also Ram Air Turbines (RATs) that deploy directly into the air stream. This “RAT” looks like a trolling motor you would see on a boat, the wind spins the propellers and generates hydraulic pressure. If you have pneumatics, you can use the Air Driven Pump (ADP) to get hydraulic pressure. If you have hydraulics, but no electric, you can use the Hydraulic Motor Generator (HMG) to get electrical power.
There are backup systems all over aircraft these days. Most of which are activated automatically in the event of a failure of another system. The crew may only get an annunciator light to inform them that a backup system has been activated. No further action necessary.
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Your Questions About Wind Turbine
Michael asks…
How to make a working model of a wind turbine?
How can I make a working model of a wind turbine? I only want it to generate a very small amount of electric and be around 6-10 inches high. What do I need for it and how do I do it?
admin answers:
A wind turbine is basically an electric turbine on top of a stand and with blades attached.
I would recommend you salvage a motor from a small electrical device. If you can find a small fan, then you only need to put it on a stand of some sort to make a wind turbine because it all ready has a turbine and blades.
An electric generator is just an electric motor in reverse. So any device that has an electric motor can potentially be used to make a turbine.
Donald asks…
How much electricty does a wind turbine produce in a day?
I was just wondering how many kwh or mwh a wind turbine can produce on a average day. Can anybody help me out?
admin answers:
It depends on a number of factors, including average wind speed for your area, and the turbine design.
Fill in your parameters here: http://www.reuk.co.uk/Calculate-kWh-Generated-by-Wind-Turbine.htm and it will give you an energy rating in kW-hr
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Mini Micro Home Vertical axis Wind Turbine Power Generator 500 / 750 /1000 W small domestic Mill Darrieus Savonius 1KW
Producing clean and free energy with the wind 365 days a year, day and night, summer and winter - the domestic wind power plant has peculiar characteristics that distinguish it from the great wind power plant: limited powers, reduced space, quietness, importance of the aesthetic factor. That's why, for home use, nothing is more appropriate than vertical axis wind turbines: because they capture the wind from all directions they do not need orientation; they have a compact size; they are beautiful | ||
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500W Wind Solar Power:AC 12V 400W Wind Turbine Generator Kit + 12V 100W Poly Solar Panels + wind & solar power charge controller+ 50cm Cable with MC4 Connector, DIY Installation
Specifications DIY Installations Wind turbine generator 1. Rated Power: 400W 2. Start-up Speed: 2m/s 3. Rated Wind Speed: 13m/s 4. Survival Wind Speed: 50m/s 5. Rated Voltage: 12V 6. Wheel Diameter: 1.6m 7. Top N.W: 9.5kg 8. Number of Blades: 3 9.Blades Material: Nylon fiber 10.Generator: Three phase AC permanent magnet synchronous generator 11.Control System: Electromagnet/Wind turbines partial side 12.Speed Regulation Method:Automatically adjust windward direction Solar Panels 1.power: 100w 2. | ||
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Your Questions About Wind Turbine Generators For Sale
Donna asks…
How come,US auto Indst.didn’t make a car like (Honda Accord, Toyota Camry) while the US invented every thing?
admin answers:
The US motor industry has not been interested in quality since about 1935. They have been interested in the appearance of quality to promote sales.
Flint tools, the bow and arrow, the spear and the spear thrower, baskets, pottery, agriculture, domestication of animals, the needle and thread, the plough, bronze, glass windows, the magnetic compass, chimneys, the horse collar and the stirrup, the wheelbarrow, drilling for natural gas, paper money, two, three and four wheeled vehicles, the water and wind mill, steel, the steam engine, the steam road vehicle, the steam boat, virtually all musical instruments, electric telegraphy, iron ships, the kerosene lamp, the light bulb, the electric motor and generator, gasoline engines, the motor car, the motorcycle and the bicycle, mass production, photography, wireless telegraphy, aspirin, heroin, the steam turbine, the pressure lamp, the mantel lamp, multi-engined aircraft, radar, the digital computer, the flame ionisation detector, the atomic absorption spectrophotometer and the cavity magnetron are an insignificant fraction of significant inventions that were not invented in the USA.
The USA from 1776 to about 1940 copied and technology from all round the world. Apart from some (not all) of the inventions by T. A Edison, and the inventions of A G Bell, de Forest, Edwin H Armstrong and a very few others the USA invented little of significance until about 1940.
Ken asks…
Stocks or Mutual funds that are….?
into wind energy. I want to buy something in wind energy. Anybody have any good companies?
admin answers:
* Americas Wind Energy Corporation (AWNE.OB) manufacturing and marketing of medium sized (500 – 1,000 megawatt (MW)) wind turbines for the North American market.
* Babcock & Brown Wind Partners (BBWPF.PK) An Australian based specialized investment fund focused on the wind energy generation sector
* Gamesa Corp. (GCTAF.PK) 18% of the world’s share of the wind turbine market. Based in Spain.
* Kore Holdings (KORH.PK) A power provider and marketer of alternative energy from wind farms, hydro and distributed power facilities.
* McKenzie Bay International Ltd. (MKBY.OB) Develops wind powered alternative energy systems.
* Mass Megawatts Wind Power Inc. (MMGW.OB) Develops prototype wind energy production equipment.
* NaiKun Wind Energy Group Inc. (NKW.V TSX Venture Exchange) Wind energy developer in the Haida Energy Field off the coast of British Columbia since 2001.
* Scottish Power plc (SPI) A leading developer and operator of renewable energy in both the UK and the US. It is one of the largest providers of wind energy in the US.
* Shear Wind Inc. (SWX.V Canadian Venture Exchange )Provider of wind-generated energy in Atlantic Canada.
* Sea Breeze Power Corp. (SBX.V Canadian Venture Exchange ) Developer of large-scale windfarms and underwater electricity transmission lines in British Columbia.
* Tower Tech Holdings Inc. (TWRT.OB) Involved in the engineering, manufacture, and sale of wind turbine extension towers and monopiles to the wind energy industry
* Vector Wind Energy Inc. (VWE.V Canadian Venture Exchange ) developer of wind energy projects in Canada.
* Vestas Wind Systems (VWSYF.PK) 34% of the world’s share of the wind turbine market. Based in Denmark.
* U.S. Wind Farming (USWF.PK) The federal court in Chicago entered a Final Judgment as to U.S. Wind Farming on October 20, 2006.
* Western Wind Energy (WNDEF.PK) Produces clean renewable electrical energy from over 500 wind turbine generators located in Tehachapi and San Gorgonio Pass (Palm Springs), California.
Here is an etf, exchange traded fund, PBW which invests in ALL of the following:
Here are the constituents of the WilderHill Clean Energy Index, with a brief description of each company, as of April 1st 2006. The index is the basis for the PowerShares WilderHill Clean Energy Portfolio ETF (PBW).
Renewable Energy Harvesting – 27% sector weight (10 stocks @2.7% each)
Distributed Energy, (DESC). Part solar, wind; mainly in DG, some H2: an integrator.
Emcore, (EMKR). Solar, 27% ultra-efficient PV cells, also makes LED products.
Evergreen (ESLR). Unique string-ribbon solar PV with efficient silicon-use.
Kyocera, (KYO). Solar PV, integrated manufacturer is doubling production.
MEMC, (WFR). Producer of the polysilicon needed in many crystalline solar PV cells.
Ormat, (ORA). Geothermal, works as well in recovered energy, biofuels.
SunPower, (SPWR). Solar, Efficient PV panels with all-rear-contact cells.
Cypress, (CY). (Parent firm of SPWR above, and owns the major block of their stock).
SunTech Power, (STP). Solar, fast-growing and major producer of PV is based in China.
Zoltek, (ZOLT). Wind, makes carbon fiber for wind blades and product ‘lightening’.
Power Delivery and Conservation – 26% sector weight (10 stocks @2.6% each)
American Superconductor, (AMSC). Superconductors, ‘no’-resistance 2G HTS wire.
American Power Conversion, (APCC). UPS, makes firm-power systems.
Cree, (CREE). LEDs, makes efficient lights, power-saving electronics.
Echelon, (ELON). Networking, for management of whole energy systems.
International Rectifier, (IRF). Efficiency-enabling electronics producer.
Itron, (ITRI). Monitoring, designs energy measurement and management systems.
Magnetek, (MAG). Makes solar inverters, wind power converters, power controllers.
Power Integration, (POWI). Energy savings, enables power conservation in IC chips.
SuperPower / Intermagnetics, (IMGC). Superconductors, and power transmission.
UQM Technologies, (UQM). Hybrid vehicle electrics; motor & power systems.
Energy Conversion – 18% sector weight (7 stocks @2.57% each)
Ballard Power, (BLDP). Mid-size fuel cells, makes mainly PEM FCs.
Capstone Turbines, (CPST). Micro-turbines 30-60 kW, may be flexible-fueled.
FuelCell Energy, (FCEL). Large fuel cells as stationary high-temp. Flex-fuel MCFCs.
Hydrogenics, (HYGS). Fuel cells and testing gear, H2 electrolysis, regenerative FCs.
Medis, (MDTL). Micro fuel cells, designed for liquid-fuels and a unique electrolyte.
Mechanical Technology, (MKTY). Small fuel cells, may compete with Li-Ion batteries.
Plug Power, (PLUG). Mid-sized fuel cells for distributed generation, home power.
Energy Storage – 16% sector weight (6 stocks @2.66% each)
Active Power, (ACPW). Flywheel power storage, a firm power alternative to batteries.
Energy Conversion Devices, (ENER). Very diversified: in batteries, solar PV, also H2 FCs.
Impco, (IMCO). Gaseous fuels, a manufacturer and integrator for cleaner-fuel vehicles.
Maxwell, (MXWL). Ultracapacitors, a battery alternative such as for hybrid vehicles.
Quantum Fuel, (QTWW). Hydrogen gas storage systems for cleaner-fuel vehicles.
Ultralife Batteries, (ULBI). Batteries, advanced lithium ion, polymer rechargeable.
Cleaner Fuels – 9% sector weight (5 stocks @1.8% each)
Air Products & Chemicals, (APD). Hydrogen, a supplier of many industrial gases.
BOC Group, (BOX). Hydrogen, a supplier of many industrial gases.
MGP, (MGPI). Biofuels, ethanol and fuel alcohol.
Pacific Ethanol, (PEIX). Aims to be a leading biofuels producer for Western U.S.
Praxair, (PX). Hydrogen, a supplier of many industrial gases.
Greener Utilities – 4% sector weight (2 stocks @2.0% each)
Idacorp, (IDA). Hydroelectric, Utility, mainly hydro; also some fuel cell research.
PPM Energy / Scottish Power, (SPI). Wind, Utility, PPM is growing wind power.
Source: PowerShares WilderHill Clean Energy Portfolio home page.
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Wind turbine ideas humidifier rockery and water fountains home decoration lucky Office living room decoration,B
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QTY 2 Vmaxtanks Vmaxslr155 AGM Deep Cycle 12v 310ah total at 12V (155ah ea) SLA rechargeable Battery for Use with Pv Solar Panels,Smart chargers wind Turbine and Inverters
Vmaxtanks specializes in the manufacturing of high quality AGM deep cycle batteries. These batteries offer superior performance and 10-12 years life span in float mode. Please visit FAQ tab at the vmaxtanks website for service, charging and storage instructions. A battery calculator is also available to calculate number of batteries needed for your specific AC or DC power requirements. VMAX batteries come with VMAX labels and a VMAX hot stamp on top of battery. Warranty: 12 Months if purchased t | ||
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9.2 ft. Diameter 1 kW High Efficient Wind Generator Rotor w/ HUB and Nose Cone
This listing is a set of wind turbine rotor assemblies for a 1 kW wind generator at 22 mph wind speed. they are designed and made to pick up the wind power as much as possible. The exact same blades are used in commercial wind generators. The performance of the blades is much better than home brewed ones.
The efficiency is graded as 0.48 in converting wind power to the mechanical power, which is at the very top end (the highest is 0.5). | ||
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ALEKO WGV2Q300 Three Phase Permanent Magnet AC Synchronous Vertical Wind Generator 300W 24V Wind Generator Turbine
From Manufacture: A wind turbine is a popular name for a device that converts kinetic energy from the wind into electrical power. Technically, there is no turbine used in the design, but the term appears to have migrated from parallel hydroelectric technology (rotary propeller). The correct description for this type of machine would be aerofoil-powered generator. Our Aleko Wind generator will provide you with the power you need for your home or your business. Product Description: Low star | ||
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Wind Turbine Wind Farm Educational Experiment Kit
This science fair bundle kit is designed to work together so that you can do an original science fair experiment. Excellent for team work in a classroom and home school lessons. For students 11 thru college. For elementary, middle school and high school thru college. | ||
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Your Questions About Wind Generators Home Use
Donna asks…
Making a DC motor powered wind generator?
this is for a project i have for my Energy and powers class, i need information on how to make a wind generator but it has to be able to work on a DC motor. The thing is what makes this hard for me is that it can only be 28 inches tall. Please help, I forgot about it and it’s due this week!
it would help to if there was a diagram for it too.
admin answers:
I own and install smaller wind generators.
I assume this is a model?
A small, 360 or 540 can electric motor from any hobby shop will be a good size to use, and only a few dollars.
The same hobby shop if it is at all useful will have various pulleys and propellors that can be fixed to the shaft. If you mount a very large (say 14 or 16″) diameter coarse pitch (8″ or more would be good) prop the motor will not require a lot of air flow in order to over come the ‘camming’ effect of a permanent magnet motor and start to turn it, it won’t go fast but if you set a finer pitch prop on it it will take heaps of wind just to get it turning, or might not produce any useful power at all.
The problem with the standard air screw is that it will have to be used backwards, but if you only have a few days left you can’t be choosy.
If you get a piece of wood about 14″ long, about 2″ x 2″ you could screw it standing up vertically to a large piece of ply, and having cut a 1/2″ groove across the top 2×2 face you can secure the motor to this by putting a nail or screw each side down about an inch and stretching a few ruber band across the motor, as many as needed – it will be rock solid if done right.
Then you can solder or plug on the two wires to the terminals of the motor and lead them to your multimeter and load (bulb, little motor whatever) and go and find some wind.
If the point of the project is to make a wind generator, i.e. Blow wind then the same thing will work, just apply a small current (say 6v one or two amps) to the motor and off it will go. You would be better off in that case by fitting a smaller prop, say 7×4 and see how that goes – it will rev so watch your fingers.
Again the hobby shop should have all you need.
Just type in wind generator to google and you will get about three years of info and reading. There is some really dodgy stuff out there – at the moment there are lots of scams from the look of it that even claim people are making 200 watt solar panels at home from scrap and a few dollars worth of stuff – yeah right………..
Good luck. 🙂
Start here:-http://www.otherpower.com/toymill.html
http://www.hydro.com.au/education/discovery/model/wtmodel.htm
Joseph asks…
How do places with wind and solar energy sustain their power?
Some places rely on solar and wind energy right? To power their homes and such. How do they use energy in the night or when there is no wind? Do they have something that stores the energy like a big battery or something?
I have to “make” a green city and it will use renewable energy source including solar and wind energy. How would I make the wind and solar energy sustainable and not have shortages of power?
admin answers:
Small places, like a remote house or an island, might have batteries. A large place, like a city, would be connected to a “Grid”, or electrical energy transmission system. If the wind stopped blowing, deep in the night, they would pull energy off the grid, from a nuclear plant, or coal-burning generation station, or hydroelectric project many miles away. A town on an island might have a large diesel generator.
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XIDAJIE 500W 5 Blade DC 12V Wind Turbine Generator With Waterproof Charge Controller
"Specifications: Model:500W Wind Turbine Generator Brand:Unbranded Color: White Number of blades: 5 Rated power: 500W Maximum power: 510W Rated voltage: 12V Start-up wind speed: 2.0m/s Rated wind speed: 13m/s Survival wind speed: 50m/s Top net weight: 6.8kg Wheel diameter: 1.3m Blade length: 57cm Blades material: Nylon fiber Generator: Three phase permanent magnet ac synchronous generator Magnet: NdFeB Generator case: Casting aluminum alloy Control system: Electromagnet/wind wheel yaw Speed re | ||
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