Article View: sci.electronics
Article #4157Re: Watt Hour Meters
From: Roy Smith
Date: Tue, 16 Jan 1990 15:14
Date: Tue, 16 Jan 1990 15:14
22 lines
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1535 bytes
Richard S D'Ippolito says:
> The order of the letters is the key. Voltage (E) across an inductor (L)
> leads (comes before) the current (I).
And Bob Myers says:
> I "comes after" E in an L. E-L-I, ELI...get it? Nothing ambigous
> about that!
This is getting silly. I think we're arguing orthagonal arguments,
i.e. both Richard and Bob have answered a different question than the one
that was asked. Given both (correct) interpretations of ELI the ICE man
above, tell me, does an inductive load have a leading or lagging power
factor? At this point, I'm not so much interested in the right answer, but
in somebody showing me how you can unambigiously derive the sign of the phase
of the power factor from the mnemonic. The problem is not in understanding
the physics, but in remembering the arbitrary naming convention.
--
Roy Smith, Public Health Research Institute
455 First Avenue, New York, NY 10016
roy@alanine.phri.nyu.edu -OR- {att,philabs,cmcl2,rutgers,hombre}!phri!roy
"My karma ran over my dogma"
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!umich!samsung!zaphod.mps.ohio-state.edu!rpi!sci.ccny.cuny.edu!phri!roy From: roy@phri.nyu.edu (Roy Smith) Newsgroups: sci.electronics Subject: Re: Watt Hour Meters Message-ID: <1990Jan16.151411.21974@phri.nyu.edu> Date: 16 Jan 90 15:14:11 GMT References: <MARK.90Jan5105134@retix.retix.retix.com> <17660041@hpfcdj.HP.COM> Sender: news@phri.nyu.edu (News System) Organization: Public Health Research Institute, New York City Lines: 22