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Article #16548

Re: .

#16548
From: C.M. Hicks
Date: Thu, 07 Jan 1993 12:46
40 lines
2081 bytes
dino@inqmind.bison.mb.ca (Tony stewart) writes:

>lsg001@cck.coventry.ac.uk (Graham Wilson) writes:


  << STUFF ABOUT POWER SAVER DELETED >>


>The only power saver device is called a power factor correction circuit. 
>It adds capacticance to the line to reduce the pahse shift in current 
>caused by inductive loads (motors, power supplies etc). Since utilities 
>charge according to meters which measure Volt-Amps, this can be reduced 
>by reducing the phase shift towards zero. thus making reducing the V-A's 
>towards the Wattage .. or in other words reducing the  reactive power so 
>that only only REAL power is measured.
>This is usually done by using large caps or solid state methods used i  
>switcher technology.

In the UK domestic users are charged for WATTS and not VA, thus power-
factor correction will not reduce the electricity bill. I have to say
I am sceptical that this device will be of any benefit at all when conn-
ected to a domestic appliance in the UK.

If you are charged for electricity in VA, then the thing may well help in
the manner mentioned above.

>I can't speak for your device or its claims whoever, but this sounds like 
>what it is trying to accomplish.

Yes, ditto.

>dino@inqmind.bison.mb.ca
>The Inquiring Mind BBS, Winnipeg, Manitoba  204 488-1607

Christopher Hicks
--
 ==============================================================================
 Christopher Hicks    |    If it doesn't fit...
 cmh@uk.ac.cam.eng    |                        ...you need a bigger hammer.
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From: cmh@eng.cam.ac.uk (C.M. Hicks)
Newsgroups: sci.electronics
Subject: Re: .
Message-ID: <1993Jan7.124619.10238@eng.cam.ac.uk>
Date: 7 Jan 93 12:46:19 GMT
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