Article View: sci.electronics
Article #3811Re: Fluorescent light ballasts
From: Larry Lippman
Date: Tue, 21 Nov 1989 23:08
Date: Tue, 21 Nov 1989 23:08
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In article <1099@umigw.MIAMI.EDU>, wb8foz@mthvax.cs.miami.edu (David Lesher) writes:
> At one point I heard a proposal to outfit large office buildings
> with ~260 volt power at several ten of khz. This would go to the
> lamps, which would have custom ballasts. The driving force was
> several % improvement in efficiency-- a double payoff since it
> also reduced the cooling load of the HVAC systems.
This HAS been done in some experimental installations, but as far
as I know, the concept just never caught on. The systems I am aware of
used 400 and 600 volts at 3 kHz. For references check some backissues of
"Illuminating Engineering" or the IES (Illuminating Engineering Society)
Handboook.
<> Larry Lippman @ Recognition Research Corp. - Uniquex Corp. - Viatran Corp.
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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!uunet!kitty!larry From: larry@kitty.UUCP (Larry Lippman) Newsgroups: sci.electronics Subject: Re: Fluorescent light ballasts Summary: High frequency power distribution... Message-ID: <3512@kitty.UUCP> Date: 21 Nov 89 23:08:57 GMT References: <22334@gryphon.COM> <5170060@hplsla.HP.COM> <1099@umigw.MIAMI.EDU> Distribution: usa Organization: Recognition Research Corp., Clarence, NY Lines: 17