[Vwdiesel] Induction motor genset revisited.

Harmon Seaver hseaver at cybershamanix.com
Wed Jan 22 17:10:06 EST 2003

On Wed, Jan 22, 2003 at 01:46:45PM -0800, H .Hagar wrote:
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> I am here to learn ---LOL -about VW diesel cars.  But I can give my 0.02  dollars Canadian --LOL on matters electrical.
> First there are many types of INDUCTION motors.Why use one instead of proper ALTERNATOR ???. They are cheap.

  Two reasons to use induction motors instead of alternators. First, they're
usually a lot cheaper, at least in the used market. But most importantly, if you
want to connect to the grid and get paid for the electricity you produce (only
if you run the genset on biodiesel, woodgas, or some other renewable fuel) or
just run the meter backwards to use the grid as a big battery; using an
induction motor vastly simplifies the hook up. Since the induction motor will
look at the voltage, waveform, and frequency of the grid and conform exactly to
it, you don't need the very expensive and complicated grid intertie that you
need for any other type of generation equipment.
   And lastly, running brushless is not only a lot less maintenance, but it's
also more efficient -- less drag and friction.

Harmon Seaver

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