Before I could get into this much, my pal was... Then it seemed as if the source of rare earth for the magnets sorta dried up, as China wanted to keep most of...
3456
Steve Spence
sspence65
Dec 17, 2011 4:40 pm
We talked about Grid Beam as a inventors and experimenters dream before, but the more we dig into it, the more we get excited about it. If you missed our last...
3457
jeff marcato
jbm775
Feb 14, 2012 2:33 am
To; axialflux alt. member  From; Jeff  Baldridge            I am glad I found somebody to communicate with. I am building an alternator...
3458
drsimm@...
drsimm1776
Feb 14, 2012 3:19 pm
Jeff,This is NOT A TRIVIAL Task! If the phase and voltage level are not matched EXACTLY within less than 1 degree of the 60 cycles the "grid" has enough energy...
3459
Steve Spence
sspence65
Feb 14, 2012 3:21 pm
The micro inverter he's talking about takes care of the phase and voltage issues. The only concern I have is not having the battery "buffer". If the grid is...
3460
drsimm@...
drsimm1776
Feb 14, 2012 8:15 pm
Micro inverter "he is talking about" ? Reference to same ? Is this a build yourself or a purchase product ? ... From: Steve Spence <sspence@...> ...
3461
Steve Spence
sspence65
Feb 14, 2012 8:15 pm
Look up enphase. -- Steve Spence http://www.green-trust.org http://www.essnmag.com...
3462
larry@...
larrygouge
Feb 14, 2012 9:11 pm
I am building a 4KW Volts A/C Grid-Tied Wind Turbine that uses a Micro Controller. What is your output Volts DC and amperage? I may be able to help. Larry in...
3463
jeff marcato
jbm775
Feb 15, 2012 8:00 pm
Thank-you for your response Steve.I will be carefull. From: "larry@..." <larry@...> To: axialflux@yahoogroups.com Sent: Tuesday, February 14,...
3464
jeff marcato
jbm775
Feb 15, 2012 8:02 pm
Larry;  I will check the dc output and get back to you . Thanks From: "larry@..." <larry@...> To: axialflux@yahoogroups.com Sent:...
3465
jerry freedomev
freedomev
Feb 16, 2012 1:26 am
                     Hi Jeff and All,                                         Or better Jeff...
3466
Steve Spence
sspence65
Feb 16, 2012 1:34 am
The hugh piggott style alternator is not designed for direct grid attachment. There is no way to synchronize the rpm. It's wild three phase and requires...
3467
jerry freedomev
freedomev
Feb 16, 2012 12:00 pm
                          Hi Steve and All,                          ...
3468
Madhav C
madhav_chowd...
Apr 23, 2012 7:28 pm
Hello, I am pleased to inform you that we have coupled PMG (Axial Flux Air Cored) with the Stirling Engine We have uploaded videos of Stirling Engine coupled...
3469
modhupalli`s
venkat_atp2002
Apr 24, 2012 10:53 am
Thanks for sharing..... Thanks a lot ... -- Thanks and Regards, Modupalli Venkata Prasad http://modupalli.wordpress.com/ Phone: +91 (9581903025) India...
3470
Charlie
charlieknox
Apr 24, 2012 10:25 pm
Interesting, Madhav. Do you know why the bulb appears to be flashing in the first couple of videos, but in the third it is on steady? The rpm of the Stirling...
3471
SCOTT AUCHINLECK
schroder67ca
Apr 26, 2012 12:34 am
Interesting stuff there. Perhaps you could turn some lights on so we could see it better? S ... -- -- Scott Auchinleck, President Emergi-Tech First Aid...
3472
Kenneth
kennethwers
Apr 26, 2012 2:10 am
Hi,I remove a spindle motor from a vertical mill it is a permanent magnet motor.Indramat MAC 090C-1-KC-2HC /110-B-0Will it be of any use for a wind...
3473
Steve Spence
sspence65
Apr 26, 2012 2:14 am
do you know the voltage / rpm? most likely it will work well. -- Steve Spence KK4HFJ http://www.green-trust.org http://www.essnmag.com...
3474
kenneth wersinger
kennethwers
Apr 26, 2012 2:23 am
Hi Steve, The nameplate is in German and I don't see a number that would relate to rpm or voltage. I think they might be encoded in the part number. ...
3475
Steve Spence
sspence65
Apr 26, 2012 2:25 am
A way to measure shaft speed, and connected to a variable speed drill, will allow you to build a volts to rpm map. an arduino would be a inexpensive foundation...
3476
kenneth wersinger
kennethwers
Apr 26, 2012 2:49 am
Thank you Steve, When I have more spare time I will have to check it out. With my drill mill at different speeds. Kenneth W ________________________________...
3477
Steve Spence
sspence65
Apr 26, 2012 2:51 am
I have some optical sensors coming, I'll build a simple tachometer, and post the instructions. -- Steve Spence KK4HFJ http://www.green-trust.org ...
3478
Diego Vizcarra
strim_100
Apr 26, 2012 10:10 pm
Hi, Download this document:...
3479
kenneth wersinger
kennethwers
Apr 27, 2012 10:53 am
Thanks I will have to read it thoroughly. At least I know the pin locations for testing as a generator. If I am reading the doc right the motor is 120v at...
3480
thorthesailor
May 1, 2012 1:37 pm
Could a bank of ultracapacitors stand in for batteries to provide some smoothing, allowing an all-off-the-shelf-components system? (Without the downsides of...
3481
Steve Spence
sspence65
May 1, 2012 1:38 pm
The capacitors would cost more than the batteries. -- Steve Spence KK4HFJ http://www.green-trust.org http://www.essnmag.com...
3482
Michael
mike_burgess
May 3, 2012 12:44 pm
The ultracapacitors, if you caculate their life cycles, only last a couple years. http://www.cde.com/catalog/inverter/ If you over spec the voltage, (use a...
3483
Steve Spence
sspence65
May 9, 2012 10:20 pm
ok, so volts, amps, hours, watts, amp hours and watt hours are all now being tracked, and displayed both on LCD display, as well as output on a serial line for...