Article View: sci.electronics
Article #3806Re: Photovoltaic charger for NiCads
From: Forrest Cook
Date: Wed, 22 Nov 1989 00:25
Date: Wed, 22 Nov 1989 00:25
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In article <7200043@silver> commgrp@silver.bacs.indiana.edu writes:
>>I am looking for a solar-energy driven battery charger,
...
>Remember to put a silicon diode in series to block reverse
>leakage through the solar array when it's dark, and remember that
>about 0.6 volt is lost in the diode's forward conduction.
For a slightly more efficient setup, use a schottky diode, the drop is
around .3 volts or so and you should be able to find one that can handle
moderate current. DigiKey has some in their catalog.
^ ^ Forrest Cook - Beware of programmers who carry screwdrivers - LB
/|\ /|\ cook@stout.ucar.edu (The preceeding was all my OPINION)
/|\ /|\ {husc6|rutgers|ames|gatech}!ncar!stout!cook
/|\ /|\ {uunet|ucbvax|allegra|cbosgd}!nbires!ncar!stout!cook
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!cs.utexas.edu!mailrus!ncar!stout!cook From: cook@stout.ucar.edu (Forrest Cook) Newsgroups: sci.electronics Subject: Re: Photovoltaic charger for NiCads Message-ID: <5419@ncar.ucar.edu> Date: 22 Nov 89 00:25:59 GMT References: <1749@lafcol.UUCP> <7200043@silver> Sender: news@ncar.ucar.edu Reply-To: cook@stout.UCAR.EDU (Forrest Cook) Organization: Field Observing Facility, NCAR, Boulder, CO Lines: 15