Posted by jdemaris on December 07, 2010 at 09:03:18 from (67.142.130.23):
I need a 48 volt DC battery charger setup.
Awhile back, I bought several brand new gensets that were custom made for a telecom company that went bankrupt. Sold for $2000 new (seems high to me).
These generators have 8.5 horse Subaru HD engines, with electric start and setup to run on gasoline or propane.
It appears they were built to charge 36 volt battery banks, but I need to charge 48 volt battery banks.
I called Baldor (or whoever took them over). NO info availalble on this set.
It is supposed to be based on a common Baldor AC genset - model R45. But, it has several large rectifiers added and a Basler voltage-regulator.
The regulator. made by Basler Electric - is marked: Input 180-270 VAC 50-60HZ, and Output - 63 VDC at 2 amps. It has an adjustable trimmer screw for field output.
When I raise the field current as high as it can go, the generator puts out 50 volts DC. Almost high enough, but not quite. I need 55-56 volts DC.
I'm trying to find out if this generator is already at its max, or can I get it to make 56 volts, by somehow giving it a higher field current?
It is rated, as is, at 62 amps at 36 volts DC and is supposedly built from a 3KW AC genset platform.
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