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Message from discussion Question on Powersave 1200
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krw  
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 More options Jul 9 2007, 8:18 am
Newsgroups: alt.engineering.electrical
From: krw <k...@att.bizzzz>
Date: Mon, 9 Jul 2007 08:18:32 -0400
Local: Mon, Jul 9 2007 8:18 am
Subject: Re: Question on Powersave 1200
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In article <j6ednZyTsemzMQzbnZ2dnUVZ_jWdn...@nni.com>, gil...@nni.com
says...

> > I suppose someone has to think SCAMS are great ideas.  They wouldn't
> > exist otherwise.

> From a "scam" view, this gadget (and its relatives) have taken in a lot of
> folks.

Yep, my brother was one.  He invested his life savings in a company
selling these things.  He should have known better.  He was a an EE
and power company exec.  No one in the family listened to me, a lowly
EE student at the time.

> Over 30 years ago, Exxon (the big US oil company) started to buy a small
> company that had "invented" such an energy saver.   It was the same basic
> idea:  reduce the voltage to reduce the "reactive" current.   A "chip"
> monitored things so that the voltage would continually seek the optimum
> point of minimum current.   The hype was the same:  it would make a giant
> difference in energy consumption.   The reality to most EEs that if it
> worked it might save "a little."

Yep, again.  The above happened in the early '70s.

> Anyway, Exxon was willing to buy the company.   The critics of Exxon claimed
> that Exxon wasn't making an investment but was trying to keep energy saving
> stuff off the market (like the 100 mpg carburetor!).    Obviously, the BIG
> OIL critics got just as carried away as the managers at Exxon.

;-)

> I think I have seen it on display at some hardware stores once or twice in
> the years between then and now.

Yes, and I've seen some rigged demos when they show up too.

> The "scam" part is the excessive claims.   The basic idea works but only
> saves some I^2*R loses in slightly loaded induction motors.

How many lightly loaded induction motors are there out there and how
much energy are they using?  Remember, they're lightly loaded.  ;-)

--
  Keith


 
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