“How low can ya go?” > On Sep 7, 2021, at 16:44, Chuck McCown via AF <[email protected]> wrote: > > Most rectifiers for “float “ service have current limiting. And yes the > batteries will present a heavy load and it will take some time for the > voltage to come up. If the lvd reconnects the batts the voltage could drop > so much they will disconnect again and flop for a while. You need a > rectifier that can pull the live load plus a heavy charging current. I would > go twice my load or more for this reason. BTW not a fan of lvd. Do you > really want to totally kill your customers in the unlikely event the bats go > that low? I quit using them 20 years ago and have never regretted that > decision. > > Sent from my iPhone > >> On Sep 7, 2021, at 4:29 PM, TJ Trout <[email protected]> wrote: >> >> >> What happens when you parallel your supply, load and batteries without using >> a 'dc ups' which provides lvd + charge current limit? >> >> I'm using batteries with a Integrated lvd so I am just concerned with the >> behavior after a long outage where the load and battery will be fighting for >> the supply current? >> >> Can't find any low cost options @ 48v to limit charge current (DC ups) Maybe >> I can use a diode one way and a current limiting device the other way to the >> battery? >> -- >> AF mailing list >> [email protected] >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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