RE: [now non-roc]Re: Radiator Fan Question

["Aaron Ness" <aaron@makuta.com>]

Sorry for dragging out the off-topic thread (you all can flog me later), but
now I'm confused.  How can you put energy into a battery and *not* be
charging it?

Aaron
'84 Scirocco - Woo-hoo!
'70 Bug - hibernating
'87 Nissan truck - Soon to be for sale

> -----Original Message-----
> From: owner-scirocco-l@scirocco.org
> [mailto:owner-scirocco-l@scirocco.org]On Behalf Of Ryan McCarthy
> Sent: Thursday, March 09, 2000 5:30 PM
> To: Scirocco List
> Subject: Re: [now non-roc]Re: Radiator Fan Question
>
>
> Regenerative braking does not charge a battery. I'm an
> electric forklift
> mechanic and a great majority of the machinery I work on uses
> regenerative
> braking. What it actually does is just return what has
> already been taken.
> Regen braking actually works when you apply a reverse
> polarity to the motor
> in order to slow the vehicle. Now, when you do that, there's
> a bunch of
> energy basically that has nothing to do, nowhere to go. If
> left with no
> where to go, it turns into heat. The regen redirects this
> energy back into
> the battery so as not to toast your motor and electronic
> devices. There is
> no charging taking place.  They do, however, use a diode
> setup that actually
> can allow an electric motor to produce some of it's own
> energy. But, again,
> this just lessens the load on the battery, it does not
> produce any gains in
> charge.
>


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