Article View: sci.electronics
Article #5062Re: Nicads in parallel
From: Brian Reese
Date: Thu, 12 Jul 1990 17:26
Date: Thu, 12 Jul 1990 17:26
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In article <1990Jul10.150245.9902@zoo.toronto.edu> henry@zoo.toronto.edu (Henry Spencer) writes: }>In article <3902@ash31.UUCP> svoboda@motcid.UUCP (David Svoboda) writes: }>Why can't nicads be used in parallel in order to increase the current }>capacity? ... } }There is a general problem with paralleling voltage sources: they aren't }all guaranteed to have precisely the same output voltage, and various }troublesome things can happen as a result. A muscular nicad might try }to charge a feeble one, for example. What's the harm in tying them all together using forward biased diodes? Sure, it'll result in a diode drop, but if the load can accomodate it, that shouldn't be a problem. Brian -- Brian Reese uw-beaver!pilchuck!seahcx!phred!brianr Physio Control Corp., Redmond, Wa. brianr@phred.UUCP "Sticks and stones may break my bones, but whips and chains excite me!" All opinions are manf. suggested and are subject to change without notice.
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!pilchuck!seahcx!phred!brianr From: brianr@phred.UUCP (Brian Reese) Newsgroups: sci.electronics Subject: Re: Nicads in parallel Message-ID: <3185@phred.UUCP> Date: 12 Jul 90 17:26:58 GMT References: <3902@ash31.UUCP> <1990Jul10.150245.9902@zoo.toronto.edu> Reply-To: brianr@phred.UUCP (Brian Reese) Organization: <1990Jul10.150245.9902@zoo.toronto.edu>o Lines: 21