Energy Smart Products [RE-wrenches]

[David Blittersdorf]

The devices you are referring to are power factor controllers that decrease 
the running voltage to induction motors to reduce current and thus real power. 
Lightly loaded induction motors can run at reduced voltages and reduce 
current draw. A 1 hp motor becomes a 1/4 hp motor when the voltage to it is 
cut in half. All these devices do is reduce the voltage enought to load the 
motor 100% thus cutting I*2R losses. They work on old motors with high 
service factors or motors that are bigger than required for the load. Most 
newer appliances have little improvement with these as they are not over 
designed electrically.

> > Does anyone out there have any experience with "Power Planners" made by
> > Energy Smart.  They are for devices with motors.  Pool Pumps, fridges, Air
> > Conditioners etc.   It seems similar to GreenPlug of several years ago
> but
> > they are careful to point out that they are better than GreenPlug.  They also
> > have a selection of products up to several 100 amps and 3 phases.
> >
> > Plug in and save 30%! they claim.  They have some testimonials and data on the
> > web site www.energysmart.com.  But it sure smells like a magic black
> box
Regards,

David Blittersdorf
NRG Systems, Inc.
110 Commerce Street
Hinesburg, VT 05461 USA
Tel: 802-482-2255
Fax: 802-482-2272
email: davidb at nrgsystems.com
Web:http://www.nrgsystems.com

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