Re: (ET) corded mower motor needed

["RJ Kanary" <rjkanary nauticom net>]

Dynamic Braking ? Maybe ?

----- Original Message ----- 
From: "Robert Adsett" <subscriptions aeolusdevelopment com>
To: "Electric Tractor list" <elec-trak cosmos phy tufts edu>
Sent: Friday, May 13, 2005 11:20 PM
Subject: Re: (ET) corded mower motor needed


> At 09:13 PM 5/13/05 -0400, David Roden wrote:
> > On 12 May 2005 at 22:30, Anthony Bailey wrote:
> >
> > > Could
> > > this actualy be a DC motor and the square box is a diode rectifier 
> > > setup?
> >
> > Very possible.  My Black & Decker MM-450 corded push mower uses a brushed 
> > PM
> > motor and a bridge rectifier.  I think one reason is that it allows them 
> > to
> > short the armature when it's shut off - the resultant plug braking means
> > that it stops RIGHT NOW.
>
> Minor nit, that wouldn't be plugging.  You actually drive the motor in 
> reverse to plug.  I might hesitate to call it regenerative braking since 
> you don't actually regenerate into any storage.  Maybe generative braking?
>
> Robert
>
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>
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