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Re: Wind Turbine Construction With Pics by kramer: 2:23pm On Jun 26, 2012 |
@op... all the best with your project, I know how stressful these things can get, hope you enjoy the results of your hardwork! (and sorry i cant offer you any help) |
Re: Wind Turbine Construction With Pics by Demdem(m): 2:53pm On Jun 26, 2012 |
@ Poster ur Moniker is scary . How am i sure if that the knowledge i will pass accross to u wont be abused which will for the basis of a very deadly weapon for u guys use? Dont mind me, just joking |
Re: Wind Turbine Construction With Pics by TonySpike: 3:22pm On Jun 26, 2012 |
purpinkx: كلورين 4rm my point of veiw ... U dnt need a 10volt motor but an amplifier/multiplier-circuit (or watever u call it) ... I have 1 dat generates 6volt 4rm 1.5v ba3 i use it to charge my phone ... I think u'l find a DIY on the internet ... Goodluck sadiq/sadeeq Amplifier circuit? I don't think that is necessary for this kind of work. An amplifier circuit on its own requires an external source of voltage to function which is detrimental to his design here. A miniaturised step-up transformer circuit could be more useful with cascades of resistors to limit the output voltage to the desired value. However, this could complicate your design since what you require is a DC output. |
Re: Wind Turbine Construction With Pics by tiarabubu: 3:33pm On Jun 26, 2012 |
@sadiq +1 million likes +1 billion following Interesting work.. Keep it up ok? |
Re: Wind Turbine Construction With Pics by member10: 3:46pm On Jun 26, 2012 |
Tony Spike: He got me kind of curious, so I surfed the web, still am on the mutiplier thing, and its looking kind of interesting, the downside is a circute, so am kind of in the dark. But if there's anybody that can help out with more explanation on the voltage mutiplier, I'll be more than happy. |
Re: Wind Turbine Construction With Pics by member10: 3:49pm On Jun 26, 2012 |
tiarabubu: @sadiqThanks man. AK 48: Nice 1 bro.looking @ ur design and diagrams,I think you r on point,just keep it up.Bro do you know anything on this voltage mutiplier thing? |
Re: Wind Turbine Construction With Pics by hustler2(m): 5:05pm On Jun 26, 2012 |
Attached is a pic of the geared motor i was talking about in my initial post. I don't know if you can find the motor in naija. But just check around. I worked the project in Malaysia back then. Specification: DC12V Output Power: 3.4 Watt Rated Speed: 34RPM Rated Current: 0.9A The is a very good motor for your project. The only draw back of geared DC motors in wind mills is that geared DC motors has a relatively higher starting torque than non-geared ones. But if your blades are designed properly it won't really affect you. I used a standing fan blades for mine and i worked great. Because if your blades are not properly designed to maximize the pressure of the wind speed on the blades then it might not function in the normal Nigerian wind speed which averages 6mph. But you can demonstrate the project by using and external fan to pump air at high speed into the blades. The other problem with wind mill is that you have to get a stable output. In a real-time application, you can not guarantee a stead wind speed. With this, i used a buck boost converter to stabilize the voltage. you can design a buck boost converter to boost any input voltage between 6V - 12V to give a steady output of 15V... I hope it helps.... 2 Likes
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Re: Wind Turbine Construction With Pics by purpinkx(m): 5:41pm On Jun 26, 2012 |
Tony Spike:Am not talking of Tv amplifier ... My mistake though .. The name z voltage doubler
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Re: Wind Turbine Construction With Pics by member10: 5:52pm On Jun 26, 2012 |
hu$tler:Its wonderful, the high touque might be a little hinge, but I should be able to work though it. I can't use artificial source of wind, my lectures kicked against it, the deal is for me to mount it. The only problem is I don't know what appliance it is gotten from, this geared motor of yours. I think I have a new way I want the design to go, I just learnt about this doubler/mutiplier/boost converter today. I am planing on using a stepper motor, produce some voltage then use the boost converter to take it up to 14volts. I'll upload the pics for my new design Please mail me at sadikk99@yahoo.com I'll like us to talk some more. Thanks for your help. |
Re: Wind Turbine Construction With Pics by member10: 5:56pm On Jun 26, 2012 |
purpinkx:Yeah, I have been search online for it. I came across similar info. Its was a very big help, breakthrough, I hope!! |
Re: Wind Turbine Construction With Pics by purpinkx(m): 6:00pm On Jun 26, 2012 |
كلورين:... Glad i could help |
Re: Wind Turbine Construction With Pics by member10: 6:05pm On Jun 26, 2012 |
The new design.. It a lil rough though, but you will get the point.
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Re: Wind Turbine Construction With Pics by member10: 6:16pm On Jun 26, 2012 |
I am going to use ball bearings for the yaw, the furling is going to be hinged like a door, but I am afraid my wiring from the motor to the circut on the ground, would get tangled when it twist over and over, back and forth. Any solution guys?
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Re: Wind Turbine Construction With Pics by purpinkx(m): 7:03pm On Jun 26, 2012 |
كلورين: I am going to use ball bearings for the yaw, the furling is going to be hinged like a door,[ b]but I am afraid my wiring from the motor to the circut on the ground, would get tangled when it twist over and over[/b], back and forth. Any solution guys?Use the principle of electric motor split/slip rings |
Re: Wind Turbine Construction With Pics by purpinkx(m): 7:03pm On Jun 26, 2012 |
كلورين: I am going to use ball bearings for the yaw, the furling is going to be hinged like a door,[ b]but I am afraid my wiring from the motor to the circut on the ground, would get tangled when it twist over and over[/b], back and forth. Any solution guys?Try to apply the principle of electric motor split/slip rings |
Re: Wind Turbine Construction With Pics by member10: 7:31pm On Jun 26, 2012 |
purpinkx:Thanks, I actually was looking for the name. You've been of tremendous help. Thank you. Expecting. |
Re: Wind Turbine Construction With Pics by Nobody: 8:19pm On Jun 26, 2012 |
I know nothing on wind turbines, but maybe some youtube searches can be of great help. http://www.youtube.com/watch?v=ZN7gkchj1BQ or simply type wind turbine generator on youtube/google. |
Re: Wind Turbine Construction With Pics by member10: 8:45pm On Jun 26, 2012 |
cycober: I know nothing on wind turbines, but maybe some youtube searches can be of great help. Thanks, I did that already. |
Re: Wind Turbine Construction With Pics by purpinkx(m): 8:51pm On Jun 26, 2012 |
كلورين:My pleasure ... You need some rest ... Guess these should do 4 a day |
Re: Wind Turbine Construction With Pics by davechika(m): 9:01pm On Jun 26, 2012 |
كلورين: sadeeq u cant use a stepper motor to generate that kind of voltage efficiently,use low rpm Dc motor then use a buck or boost conveter but another thing u should consider wats the current produced by such motor at such rpm. secondly wats the final output of your wind turbine gonna be used for ? 1.to charge a battery which then power an inveter to produce alternating current or wat ? |
Re: Wind Turbine Construction With Pics by member10: 9:35pm On Jun 26, 2012 |
davechika:Oh shoot! You mean if I get say a 24volt with about 200 steps stepper motor I can't get 7 out of it? I wanted to use an inverter, so I use it to power an energy saving bulb. But decided not to, I haven't really decided yet what to use it to power, because that's not an issue, I can come up with anything at the end, its 12v from a battery. Which motor would you suggest I get? Please mail me at sadikk99@yahoo.com purpinkx: My pleasure ... You need some rest ... Guess these should do 4 a day purpinkx: My pleasure ... You need some rest ... Guess these should do 4 a dayThanks again, please try to send me a mail, so we can keep exchanging ideas. |
Re: Wind Turbine Construction With Pics by Mynd44: 10:00pm On Jun 26, 2012 |
I am doing this exact thing for my project but I am building a wertical axis one. You should the geared motor like a poster said it will help you. I would post a prototype of what mine will look like. I would also love to see the work you have done so far |
Re: Wind Turbine Construction With Pics by Mynd44: 10:06pm On Jun 26, 2012 |
This is what mine will be built like 1 Like
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Re: Wind Turbine Construction With Pics by bayulll01(m): 10:09pm On Jun 26, 2012 |
well gud one bro,wish i can help read chemical engin all the best sha |
Re: Wind Turbine Construction With Pics by member10: 10:22pm On Jun 26, 2012 |
Mynd_44: This is what mine will be built likeWow awesome! I haven't done much, just the blades, I considered the vertical axis turbine, but I am alil shot on wind, the reason why I am not so enthusiastic about using a gearing or pulley system. What motor are you using? Mail me please sadikk99@yahoo.com bayulll01: well gud one bro,wish i can help read chemical engin all the best shaThanks bro. |
Re: Wind Turbine Construction With Pics by Dambudzo: 2:34am On Jun 27, 2012 |
I am an Electrical engineer whose focus area is power systems. If you need any help drop a message. Don't use an amplifier, from the electric motor use a step up transformer. With a transformer you don't worry about bias voltages. Another thing, are you going to be generating 3 phase voltages or single phase voltages ? This part is important when it comes to what kind of transformer you will need. |
Re: Wind Turbine Construction With Pics by Mynd44: 2:50am On Jun 27, 2012 |
Dambudzo: I am an Electrical engineer whose focus area is power systems. If you need any help drop a message. Don't use an amplifier, from the electric motor use a step up transformer. With a transformer you don't worry about bias voltages. Another thing, are you going to be generating 3 phase voltages or single phase voltages ? This part is important when it comes to what kind of transformer you will need.Single phase |
Re: Wind Turbine Construction With Pics by Dambudzo: 3:11am On Jun 27, 2012 |
Mynd_44: Okay. Then you don't have to worry about the configuration of the three phase transformers, but now you have to worry about single phase motors. Unlike three phase motors, single phase motors are not that efficient and they do not self start. The efficient ones known as capacitor start capacitor run and capacitor start are a bit expensive. So now your budget comes into play. |
Re: Wind Turbine Construction With Pics by Mynd44: 3:30am On Jun 27, 2012 |
Actually, I have not been to the market yet. I am just arranging the parts I need. I will hit the market next month to see what options I have in terms of budget and efficiency |
Re: Wind Turbine Construction With Pics by purpinkx(m): 6:16am On Jun 27, 2012 |
Dambudzo: I am an Electrical engineer whose focus area is power systems. If you need any help drop a message. Don't use an amplifier, from the electric motor use a step up transformer. With a transformer you don't worry about bias voltages. Another thing, are you going to be generating 3 phase voltages or single phase voltages ? This part is important when it comes to what kind of transformer you will need. I'm not an engineer but i know dat transformers work wit A.c and the last time i checked .. Electric motors generate D.c ... Correct me if i'm wrong but i dont see how they relate |
Re: Wind Turbine Construction With Pics by Dambudzo: 6:25am On Jun 27, 2012 |
purpinkx: Yes transformers work with AC. They are many different types of motors which are classified into two categories. There is DC motors and AC motors ( induction machines and synchronous machines). If he is going to use a transformer he will need an AC motor for sure. |
Re: Wind Turbine Construction With Pics by Mynd44: 8:11am On Jun 27, 2012 |
purpinkx:Some motors generate DC currents |
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