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axialflux · Axial Flux Alternators

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Group Information

  • Members: 2669
  • Category: Energy
  • Founded: Jun 4, 2006
  • Language: English
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Messages 673 - 702 of 3833   Oldest  |  < Older  |  Newer >  |  Newest
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673 Mac McQuaid
bigmac5213 Send Email
Dec 2, 2007
1:05 am
Hello all .. I am new to the group so hope this is the correct place to ask this question. First... a little history about myself. I am retired. We live "off...
674 Steve Spence
sspence65 Send Email
Dec 2, 2007
1:35 am
This is indeed the place. We also have a listeroid, and are building a 3kw axial flux alternator for it. It's a perfect match. Steve Spence ...
675 Dan Fink
danbob88 Send Email
Dec 2, 2007
3:17 pm
Hi Mac! Yes, Yes, 2kw, and yes. http://www.fieldlines.com/story/2007/10/26/141411/24 It's working absolutely great for us, with a steady 2kw output and a ...
676 Dan Fink
danbob88 Send Email
Dec 2, 2007
3:37 pm
Hi Trevor -- our turbine kit is quite comparable to anything commercial in that range of swept area (9-10 ft), like the Bergey, Whisper, etc. More info...
677 Dan Bartmann
buckvillian Send Email
Dec 3, 2007
12:19 am
Hi Mac - (I hope I've not posted this twice... I tried earlier but it seems not to have taken after after a few hours) We recently built a 2KW alternator for...
678 votecoffee Send Email Dec 4, 2007
1:20 am
To control the output voltage you need to regulate the speed of the diesel engine. Higher rpm=higher voltage, lower rpm equals lower voltage. When a load is...
679 Steve Spence
sspence65 Send Email
Dec 4, 2007
1:47 am
Listeroids are governed to their design speed of 650 rpm. A perfect match for a Axial Flux Alternator. Steve Spence http://www.green-trust.org ... From:...
680 Dan Bartmann
buckvillian Send Email
Dec 4, 2007
2:00 am
Hi Mac - We recently built a 2KW alternator for battery charing that's directly driven by my listeroid 6/1. I could probably have close to 4KW from it - but...
681 Mac McQuaid
bigmac5213 Send Email
Dec 4, 2007
2:00 am
Dan ... Thanks for the additional info. I am currently running two Ford alternators limited to 50 amps output each to keep from burning up the diodes. I have a...
682 David G. LeVine
sirdave144 Send Email
Dec 4, 2007
2:01 am
... This assumes that the connection is "delta", a "wye" can generate DC with only three (3) diodes, but it results in a DC bias in all coils. David G. LeVine ...
683 David G. LeVine
sirdave144 Send Email
Dec 4, 2007
2:03 am
... Nope, you are not missing something. If the diode (and a microwave oven unit will not be suitable, it is high voltage, low current) prevents backflow, the...
684 David G. LeVine
sirdave144 Send Email
Dec 4, 2007
2:03 am
... Mouser lists 14 Gauge Belden Magnet Wire for about $56/pound as P/N 566-8073 in their catalog. Most electronic distributors list similar products. A quick...
685 Steve Spence
sspence65 Send Email
Dec 4, 2007
2:09 am
There is no field winding in a permanent magnet motor / generator. Steve Spence http://www.green-trust.org ... From: "David G. LeVine" <dlevine@...> ...
686 Steve Spence
sspence65 Send Email
Dec 4, 2007
2:18 am
The axial flux is a wye, and is wired similarly to a car alternator, with 6 diodes. Some folks have played with delta, but wye is more common. See the diagram...
687 David G. LeVine
sirdave144 Send Email
Dec 4, 2007
2:26 am
... Mouser lists 14 Gauge Belden Magnet Wire for about $56/pound as P/N 566-8073 in their catalog. Most electronic distributors list similar products. A quick...
688 Dan Bartmann
buckvillian Send Email
Dec 4, 2007
3:47 pm
Hi Mac - ... When dealing with lots of power, 12 Volts becomes tedious.... ... It depends on the sort of efficiency you want from your alternator I guess. At...
689 Mac McQuaid
bigmac5213 Send Email
Dec 4, 2007
3:49 pm
Has anyone used a flywheel from a car engine for a rotor plate? Would take some machine work but might be worth while. These should be cheap and available plus...
690 BCwanderer Send Email Dec 4, 2007
3:52 pm
... Often, the best place to look is your local motor rewinding shop. They buy on bulk spools and can sell you a small spool with no shipping charges if you...
691 David G. LeVine
sirdave144 Send Email
Dec 5, 2007
3:44 pm
... Pigott (SP?) style alternators have been built on brake rotors, sounds like the same idea. ... Actually, frequency shifts from power stroke to compression...
692 David G. LeVine
sirdave144 Send Email
Dec 5, 2007
3:45 pm
... My error, I didn't remember seeing permanent magnet, only DC and I thought I saw "field" mentioned. Ah well, CRS (Can't Remember Stuff) gets us as we get...
693 Steve Spence
sspence65 Send Email
Dec 5, 2007
4:31 pm
Some indicators: 1. This is a permanent magnet group 2. The subject line ... At least you didn't catch your hand in the woodsplitter ..... Steve Spence ...
694 Brian Rodgers
outfitnmbr Send Email
Dec 5, 2007
5:12 pm
Well I completely forgot the whole thread and I'm only 53, sigh. Just a youngen Anywho, can you tell us what the "Wye and Delta" stand for here? ... -- Brian...
695 Steve Spence
sspence65 Send Email
Dec 5, 2007
5:14 pm
http://en.wikipedia.org/wiki/Image:Wye-delta.svg Steve Spence http://www.green-trust.org ... From: Brian Rodgers To: axialflux@yahoogroups.com Sent: Wednesday,...
696 David G. LeVine
sirdave144 Send Email
Dec 5, 2007
11:35 pm
... Wye, one end of each coil is connected to a common point. It looks like the capital letter "Y" Delta, one end of each coil is connected to one and only...
697 Trevor
trevorkd1yt Send Email
Dec 5, 2007
11:42 pm
here ya go http://www.elec-toolbox.com/usefulinfo/xfmr-3ph.htm ... From : Brian Rodgers[mailto:brians.outfit@...] Sent : 12/5/2007 12:02:44 PM To...
698 Neil Dennis
wombat_eagle Send Email
Dec 5, 2007
11:42 pm
Yup, that's it, one comment, the Delta puts out more current and less voltage for the same coil setup than the wye. wombat...
699 bcfisherman73 Send Email Dec 7, 2007
5:38 pm
Hello all. I found this group by searching Google for Hugh Piggott and Otherpower about wind turbines. I'm sure I'll have lots of questions as I get this...
700 Steve Spence
sspence65 Send Email
Dec 7, 2007
5:41 pm
You can set a relay so that if the breaker pops, the relay is no longer energized, and shorts the turbine. I'd just skip the fuses ..... Steve Spence ...
701 Dan Fink
danbob88 Send Email
Dec 9, 2007
4:42 pm
Yes, it would unload the windmill to freewheel, very bad. We call that breaker the 'self destruct switch' if someone should accidentally open it. But, it would...
702 Brian Rodgers
outfitnmbr Send Email
Dec 9, 2007
9:57 pm
Kevin my partner in our axial flux project here in New Mexico, was wondering whether shunting the output would stop the blades? I thought not, because there...
Messages 673 - 702 of 3833   Oldest  |  < Older  |  Newer >  |  Newest
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