I very much like your serpentine coil! I thought about doing this kind of one coil generator myself because it is so time consuming and so much work to do many coils. About your low voltage problem.... I have the same problem now with my slow rotating vawt. So I decided I will be soldering a voltage doubler soon. Since your generator is alternating current, you can do it too. You may want to google for Delon circuit. It consist of two capacitors and two diodes. I will put up a video of it soon.
You should have two rotors with the magnetic poles attracting the magnets across from it, so the magnetic field going through the coils is much stronger. This would give you a rotor above your coil and another rotor below your coil.
Yes the wire stays in place I also use some tie wraps to help , and I use the tie wraps to secure the 3 seperate coils together so they dont move when I pour the resin. Each coil has two wires .The three on the start side of the three coils get tied together and the other three go to the bridge rectifier. When you tie the three wires together the electrons cant flow out of the coils and creates a feed back. I probably did not explain that very well. Its pretty cool how it works.
Thanks for the video. Please talk in watts because volts is not a complete language for wind turbines. Current and volts are inseparable when it concerns energy generation. Great work.
I use volts because if your turbine does not produce more volts than your battery it will not charge them. I think the most important factors in a wind turbine is how fast does it have to turn to produce enough volts to charge your battery. If your turbine does not turn it does not produce anything . But thats my opinion. Thanks for the comment.
@@Aceman307 Energize2000 is correct though, the current of the battery charge is at least as important; doesn't help if the charging voltage is reached if its only a few milliamps; I had exactly that issue with a solar charger.
@KyleCarrington I really need to change the magnets to the rare earth ones, right now it really has to spin way to fast to get the volts up to 12 + . I wanted to try the ceramics to see, and they would work for a HAWT since these tend to spin faster in the same wind conditions. I can use it to recharge the little 1.5 volt rechargables for flashlights and things.
This is still a PMA I used dual rotors with the coils in the middle.Its just the coils are different. Check out emagnets videos on these type coils he has tested this type of coil in many different configurations. When I built this coil I gave it to a friend. So I did not test it much. For me it was easier to build and cost alot less, plus it was putting out enough power to charge a 12 volt battery. Of course the problem with any turbine is it has to spin fast enough.
@KyleCarrington The magnets make a big difference if you look at most PMAs here on utube most guys wont even bother with the ceramics. It is very difficult for me to get the rare earth magnets here so I wanted to try the ceramics. The stronger magnets strip off more electrons thus increasing amps and volts. My other PMA uses the rare earth magnets.
@Aceman307 I see. Honestly, I don't understand how that'd make a difference in the voltage. I would think it'd make a difference in the current, sure... I would think the number of turns, on the stator, will bump your voltage up. I could be wrong though, but that is how I understand it!
I use it if the wind is to strong . By shorting the 3 phases it will stop the turbine from spinning or if the wind is really strong it will turn slowly. In really strong winds a turbine spinning out of control can be dangerous.
Hey, my name is Travis. I'm building a wind turbine of my own. As this is my first turbine project, and my first project requiring any wiring at all, I am very new to this. I was wondering why you chose to make a serpentine coil? Is it more efficient at producing electricity than separate coils soldered together? And also, why did you choose to use smaller gauge wire? Thanks for your amazing, informative videos!
Two reasons I went with a serpentine coil you can put more copper in the stator and two its easier to make. I went with thinner wire because this helps increase your voltage output at slower turning speeds. Of course it reduces amps but to charge a 12 volt battery you need at least 13 volts amps are not as important. If you try to charge a 12 volt battery at 8 volts and 3 amps it wont charge but 13 volts and .5 amps it will. Check out emagnets channel he has done a ton of serpentine coil videos.
Under ideal build conditions, after you modify all that you wish you could... what do you anticipate this VAWT to produce? 10-30 watts maybe? Curious. Thanks
curious have you considered using iron cores yet? the iron raises the inductance maybe get more output... consider the automotive alternator few turns iron core stator and iron core reluctor
I have heard a few viewers talk about iron cores. I guess they haven't any practical experience with trying to get a turbine to spin. The cogging would be incredible if it would ever start spinning. The power of neo magnets is too much. A cars alternator or a hydro electric turbine have the advantage of torque to keep the generator spinning. My two biggest problems have been getting the wind turbine to start spinning and the second is how fast it spins.Thanks for the comment.
ok did the wire also stay in place when when u took off the PVC pipe and then zip tie the three together? The two wires from the three different coil did u twist them together to get three wires? and how does the brake stop the turbine i know u have to connect them together but i cant understand how it stops it. sorry for so many questions
why do you make the big coil. does it make more current output or is it acting as another phase ?? hope you can explain me, i am in the progress og building a generator too at the moment myself
i have 10 rectangle n52 grade neodymium they are 10mm thick, 50mm wide, 100mm long. I want to build a generator for a microhydro off grid power source. How do I calculate the amount of windings that i need?
From where can i get more information regarding serpentine winding?...i am intrested in knowing the calculations ..is tgere any study materials that you could suggesy
Does anyone know of a software to simulate building PMA and axial flux generators where we could change coils, ohms, wire sizes number and sizes of coils and flux powers?
MAGNET to coil ratio should be 4:3 and MAGNET width seems to be STEPPING-CUTTING the TWO arms of the coils at the same time...NO-NO .Half the power or less...9 coils would've worked or slimmer magnets...imho
You mentioned you used 75 turns to get the right amount of coil for your stator. How did you figure out how many turns were needed? Thanks for the videos, I am learning a lot from them!
Hi Scott You want as many turns as you can get. It depends on the gauge of wire the thicker the wire the less turns you can get because of the overall thickness of the stator. The magnets have a greater effect on the coils the closer they are to them thats why it is so important to cast a straight and level stator so you can have the magnets an 1/8 of a inch or less away from it as it spins. I was trying to keep my stator around a 1/2 thick. So if I would have used say 100 turns each coil they would not have fit. I hope this help. I have a new video series on a Tracked vehicle if your interested. Thanks for watching.
Aceman307 Thanks! I get it now. Is there a calculation for determining the optimal coil size compared to the size of the magnets being utilized? I realize your coils were based on fitting inside a stator of a certain thickness. If the stator could be any thickness, how do you determine what's optimal?
Scott Walker Thats the million dollar question, I am sure there is a point at which the distance of the magnets and power of the magnets verses the thickness of the stator have a drop off in power production but I have not experimented with it enough to know. Emagnets channel has done allot of testing with serpentine coils and different configurations. He is way smarter than me with these things. Sorry I could not of been more help.
Hay, I just watched all the vids on this and was wondering how you wired up this new stator, and why didn't you use steel in the stator? I think I can help with this project if you are still working on it. As far as I can tell I can show you how to rewire the stator for more output. It's puting out I think about 50 to 60% efficency now if you wired the stator the same as the first one.
Have you built one of these yet because they tend to be tricky. I have heard people talk about putting steel in the coils but you have to remember you are usually using neo magnets and the turbine want ever start turning due to cogging. All the PMA s that I built worked they just needed to spin at the right RPM. There are the two standard configurations for wiring coils star and delta one works better for horizontal turbines and the other for slower VAWTs. But really the biggest problem is the wind itself In most places the wind is not constant enough or strong enough to keep power output steady. That was the biggest problem I had. There is a place for turbines but they are high maintenance unlike solar you need diversion loads and worry about over speed in storms. After my current project I am working on a different kind of energy device using the PMA generator. I will keep you posted.
I havn't built mine yet. It was, at the time my tank or this, guess which one won. But I did start messin with the blades and the locks though but couldn't get the blade locks to work easy enough yet. I didn't know if you knew about the two ways of wiring up the stators. I actually did a vid series on alternators about it. It's in the playlist for 10 and 12 si alts. I also build those for a livin too, among otherthings. I was plannin on a circular generator, stick with what you know sort of thing. I think I know what you mean about cogging. I was going to keep the steel all one piece so it wouldn't do that. Airgap is real important in this area and steel placement too. Look forward to your new Idea. Can't wait, oh yes I can. We're working on somethink more funner right now. LOL.
I live in a place that is very difficult to get neodymium magnets. So I thought I would put this one together with what I had available and see how it works. It worked but I don't have any comparison videos.
oh, well, i am glad i was of any help or inspiration.
regards
sam
I very much like your serpentine coil! I thought about doing this kind of one coil generator myself because it is so time consuming and so much work to do many coils.
About your low voltage problem.... I have the same problem now with my slow rotating vawt. So I decided I will be soldering a voltage doubler soon. Since your generator is alternating current, you can do it too. You may want to google for Delon circuit. It consist of two capacitors and two diodes. I will put up a video of it soon.
Amazing tecnique. Saved me tons of time... All the best man!
@emagnets Thats because I watch your videos!!! Thanks for the help. You have done a lot of good work on the serpentine coils.
You should have two rotors with the magnetic poles attracting the magnets across from it, so the magnetic field going through the coils is much stronger. This would give you a rotor above your coil and another rotor below your coil.
Man, you are good, real good. I like your way of thinking.
U made the generator so easy way nice job👍👍👍👍
Yes the wire stays in place I also use some tie wraps to help , and I use the tie wraps to secure the 3 seperate coils together so they dont move when I pour the resin. Each coil has two wires .The three on the start side of the three coils get tied together and the other three go to the bridge rectifier. When you tie the three wires together the electrons cant flow out of the coils and creates a feed back. I probably did not explain that very well. Its pretty cool how it works.
When you say that you arranged the 3 coils with a 120 degrees offset do you mean that the start/end wires are offset by 120 degrees?
This type of coil is easier to make and more effiecent than traditional coils. I make three and each one is a seperate phase.
Thanks I just had a few questions about how the system worked and really couldn't find too much information on it.
Thanks for the video. Please talk in watts because volts is not a complete language for wind turbines. Current and volts are inseparable when it concerns energy generation. Great work.
I use volts because if your turbine does not produce more volts than your battery it will not charge them. I think the most important factors in a wind turbine is how fast does it have to turn to produce enough volts to charge your battery. If your turbine does not turn it does not produce anything . But thats my opinion. Thanks for the comment.
@@Aceman307 Energize2000 is correct though, the current of the battery charge is at least as important; doesn't help if the charging voltage is reached if its only a few milliamps; I had exactly that issue with a solar charger.
excellent!! Thank you for taking the time to show the rest of us your project.
Dave T, WA7AXT
Seattle, Wa
Thanks for the reply, Aceman! I will check him out!
بارك الله فيكي
@KyleCarrington I really need to change the magnets to the rare earth ones, right now it really has to spin way to fast to get the volts up to 12 + . I wanted to try the ceramics to see, and they would work for a HAWT since these tend to spin faster in the same wind conditions. I can use it to recharge the little 1.5 volt rechargables for flashlights and things.
This is still a PMA I used dual rotors with the coils in the middle.Its just the coils are different. Check out emagnets videos on these type coils he has tested this type of coil in many different configurations. When I built this coil I gave it to a friend. So I did not test it much. For me it was easier to build and cost alot less, plus it was putting out enough power to charge a 12 volt battery. Of course the problem with any turbine is it has to spin fast enough.
@KyleCarrington The magnets make a big difference if you look at most PMAs here on utube most guys wont even bother with the ceramics. It is very difficult for me to get the rare earth magnets here so I wanted to try the ceramics. The stronger magnets strip off more electrons thus increasing amps and volts. My other PMA uses the rare earth magnets.
not bad, looks good.
it looks like how i built my own serpen stators..
sam
@Aceman307 I see. Honestly, I don't understand how that'd make a difference in the voltage. I would think it'd make a difference in the current, sure... I would think the number of turns, on the stator, will bump your voltage up. I could be wrong though, but that is how I understand it!
I use it if the wind is to strong . By shorting the 3 phases it will stop the turbine from spinning or if the wind is really strong it will turn slowly. In really strong winds a turbine spinning out of control can be dangerous.
Appreciate your hard work. Someone can tell me why output is so low?
True, thanks. Great work.
Hey, my name is Travis. I'm building a wind turbine of my own. As this is my first turbine project, and my first project requiring any wiring at all, I am very new to this. I was wondering why you chose to make a serpentine coil? Is it more efficient at producing electricity than separate coils soldered together? And also, why did you choose to use smaller gauge wire?
Thanks for your amazing, informative videos!
Two reasons I went with a serpentine coil you can put more copper in the stator and two its easier to make. I went with thinner wire because this helps increase your voltage output at slower turning speeds. Of course it reduces amps but to charge a 12 volt battery you need at least 13 volts amps are not as important. If you try to charge a 12 volt battery at 8 volts and 3 amps it wont charge but 13 volts and .5 amps it will. Check out emagnets channel he has done a ton of serpentine coil videos.
What winding configuration did you use for the 3 phase ? Y or Delta?
Nice thanks for sharing :)
Under ideal build conditions, after you modify all that you wish you could... what do you anticipate this VAWT to produce? 10-30 watts maybe? Curious. Thanks
Yes!
Hi Aceman307, aren't the coils offset at about 60 degrees? As i see in the movie at 2:37...
Could you recommend any references or winding calculators for making this type of coil? I am working on a Hugh Piggott type of HAWT. Thank you!
If you check out emagnets channel he has done a ton of research on this type of coil.
curious have you considered using iron cores yet? the iron raises the inductance maybe get more output... consider the automotive alternator few turns iron core stator and iron core reluctor
I have heard a few viewers talk about iron cores. I guess they haven't any practical experience with trying to get a turbine to spin. The cogging would be incredible if it would ever start spinning. The power of neo magnets is too much. A cars alternator or a hydro electric turbine have the advantage of torque to keep the generator spinning. My two biggest problems have been getting the wind turbine to start spinning and the second is how fast it spins.Thanks for the comment.
ok did the wire also stay in place when when u took off the PVC pipe and then zip tie the three together? The two wires from the three different coil did u twist them together to get three wires? and how does the brake stop the turbine i know u have to connect them together but i cant understand how it stops it. sorry for so many questions
Top video! Thanks.
why do you make the big coil. does it make more current output or is it acting as another phase ?? hope you can explain me, i am in the progress og building a generator too at the moment myself
i have 10 rectangle n52 grade neodymium they are 10mm thick, 50mm wide, 100mm long. I want to build a generator for a microhydro off grid power source. How do I calculate the amount of windings that i need?
From where can i get more information regarding serpentine winding?...i am intrested in knowing the calculations ..is tgere any study materials that you could suggesy
@Aceman307 I knew neo's were the way to go, but I wasn't aware that they effected the voltage too. Where are you maybe someone could send you some!
Does anyone know of a software to simulate building PMA and axial flux generators where we could change coils, ohms, wire sizes number and sizes of coils and flux powers?
Thanks for the reply but in terms of rpm how fast did the turbine have to spin to produce that much power
Hey, i wont to make a serpentine stator, can you exem the formulas?
are these types of generators using that type of coil more energy productive than the dual axial flux generator
MAGNET to coil ratio should be 4:3 and MAGNET width seems to be STEPPING-CUTTING the TWO arms of the coils at the same time...NO-NO .Half the power or less...9 coils would've worked or slimmer magnets...imho
Is Serpentine coil more efficient than the usual phase coils?
yes
You mentioned you used 75 turns to get the right amount of coil for your stator. How did you figure out how many turns were needed? Thanks for the videos, I am learning a lot from them!
Hi Scott
You want as many turns as you can get. It depends on the gauge of wire the thicker the wire the less turns you can get because of the overall thickness of the stator. The magnets have a greater effect on the coils the closer they are to them thats why it is so important to cast a straight and level stator so you can have the magnets an 1/8 of a inch or less away from it as it spins. I was trying to keep my stator around a 1/2 thick. So if I would have used say 100 turns each coil they would not have fit. I hope this help. I have a new video series on a Tracked vehicle if your interested. Thanks for watching.
Aceman307 Thanks! I get it now. Is there a calculation for determining the optimal coil size compared to the size of the magnets being utilized? I realize your coils were based on fitting inside a stator of a certain thickness. If the stator could be any thickness, how do you determine what's optimal?
Scott Walker Thats the million dollar question, I am sure there is a point at which the distance of the magnets and power of the magnets verses the thickness of the stator have a drop off in power production but I have not experimented with it enough to know. Emagnets channel has done allot of testing with serpentine coils and different configurations. He is way smarter than me with these things. Sorry I could not of been more help.
Hay, I just watched all the vids on this and was wondering how you wired up this new stator, and why didn't you use steel in the stator? I think I can help with this project if you are still working on it. As far as I can tell I can show you how to rewire the stator for more output. It's puting out I think about 50 to 60% efficency now if you wired the stator the same as the first one.
Have you built one of these yet because they tend to be tricky. I have heard people talk about putting steel in the coils but you have to remember you are usually using neo magnets and the turbine want ever start turning due to cogging. All the PMA s that I built worked they just needed to spin at the right RPM. There are the two standard configurations for wiring coils star and delta one works better for horizontal turbines and the other for slower VAWTs. But really the biggest problem is the wind itself In most places the wind is not constant enough or strong enough to keep power output steady. That was the biggest problem I had. There is a place for turbines but they are high maintenance unlike solar you need diversion loads and worry about over speed in storms. After my current project I am working on a different kind of energy device using the PMA generator. I will keep you posted.
I havn't built mine yet. It was, at the time my tank or this, guess which one won. But I did start messin with the blades and the locks though but couldn't get the blade locks to work easy enough yet.
I didn't know if you knew about the two ways of wiring up the stators. I actually did a vid series on alternators about it. It's in the playlist for 10 and 12 si alts. I also build those for a livin too, among otherthings. I was plannin on a circular generator, stick with what you know sort of thing. I think I know what you mean about cogging. I was going to keep the steel all one piece so it wouldn't do that. Airgap is real important in this area and steel placement too. Look forward to your new Idea. Can't wait, oh yes I can. We're working on somethink more funner right now. LOL.
Cool concept. What RPM do you figure you need for 13.8v output? (if that's your goal voltage). Nice work.
dont you need a charging ciurcuit for the battery?
what sort of power output did this new stator get?
Yes,and it uses less copper and is easier to make.
Why did you go with those magnets and not neodymium?
I live in a place that is very difficult to get neodymium magnets. So I thought I would put this one together with what I had available and see how it works. It worked but I don't have any comparison videos.
cool, Nothing like using whats on hand!
Why on earth would you use weak ceramic magnets?
In other countries its not so easy getting the neodymium magnets. I wanted to try it with cheaper ceramic magnets.
What is the point!? NOBODY tell, how these 6 wire should connect.. Someone, PLEASE!!! 😕
Watch my other videos
5v grrrrrrrrrrrrrrrrrrrrrrr all the effort danggggggggggggggggggggggggg
magnet is cutting the TWO arms of the coil at the SAME time...
Something is really wrong with this alternator. The power it generates is really low.
Use stronger magnets to increase voltage
I dont have any real data on this coil. Check out emagnets videos on these coils. He has some great videos tesing this type of coil.
Hi full glue mane
just use Avasva Solutions :)))
??? KW
Nice thanks for sharing :)