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pole inductance | 29 comments (29 topical, editorial)
Re: pole inductance (3.00 / 0) (#17)
by bob g on Sat May 17th, 2008 at 09:32:12 AM MST
(User Info)

Geo:

at least as far as i am concerned, i fully understand that there is no free lunch
as a matter of fact you cannot even break even! :)

i have been at this long enough to understand the basic rules of nature/physics/ohms law/etc...

that being if i want more power output (useable), i will have to do one of two (at least) things.

  1. either input more power (mechanical), or
  2. improve the efficiency of the alternator (electrically)
what i am after is a reduction in some of the losses within the machine i am working with, and alter the way it performs its function in a much different application than it was originally designed for.

not much different than the thinking behind all the other conversions on the forum,
but not specifically targeted for windpower use.
lessons learned from the process might very well have broader application for the diy'er wind generators,, who knows until you ask and experiment.

thanks

bob g

[ Parent ]



Re: pole inductance (3.00 / 0) (#22)
by finnsawyer on Sun May 18th, 2008 at 08:38:42 AM MST
(User Info)

Since it's more power or shall we say more bang for your magnet dollar, I suggest you read my diary if you haven't already.  I present arguments for a single phase design that should output more power than a three phase with the same number of identical magnets.  The reason is fairly simple.  It involves more coils for the same number of magnets with a larger rotor.  Since the coils move past the magnets faster you get more voltage out per coil, which can translate into more power.  The link is:

     http://www.fieldlines.com/story/2006/4/21/16237/9933

     
GeoM
[ Parent ]



pole inductance | 29 comments (29 topical, 0 editorial)

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