PhoenixAutosport
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Posts: 11
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« on: May 05, 2010, 07:45:03 PM » |
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Is there such a thing as a DC output petrol / diesel generator that could be connected straight to a 24v battery bank for charging, I was toying with the idea of retro-fitting a commercial vehicle alternator to an old genny engine
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Justme
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« Reply #1 on: May 05, 2010, 07:58:37 PM » |
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Yes, look at ex military units.
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Navitron solar thermal system
30 x 58mm panel 259L TS
1200watts solar 120vdc
FX80 Solar controller
Victron 12v 3000w 120a
200w (250w peak) 12v turbine as a tester
6kva genny
6 x 2v cells 1550amp/h 5C
24 x 2v cells 700amp/h 5C
Total bank 4350 amp/h @12v
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biff
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« Reply #2 on: May 05, 2010, 08:02:58 PM » |
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yes i believe there is,
it must be quite an old idea,there was a chap with 2 for sale on here,perhaps you could look back through the posts you might come across it.i seem to remember something to do with army surplus. and yes you could operate with a small petrol/diesel engine and an alternator,dont forget the ignition light between batt and alt.
biff.
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billi
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« Reply #3 on: May 05, 2010, 08:45:07 PM » |
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yes i believe there is,
it must be quite an old idea  old ideas sound good to me look here http://www.navitron.org.uk/forum/index.php/topic,5326.0.htmlI paid 500 euro plus 250 euro delivery for mine from Germany to Ireland .... with 3 running hours on the clock .... in combination with my 6 KVA offgrid setup , it made the best Backup generator , i ever had ! Billi |
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Guinness no Grid comes near
1.6 kw and 2.4 kw PV array , Outback MX 60 and FM80 charge controller ,24 volt 1600 AH Battery ,6 Kw Victron inverter charger, 1.1 kw high head hydro turbine as a back up generator , 5 kw woodburner, 36 solar tubes with 360 l water tank, 1.6 kw windturbine
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Billy
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« Reply #4 on: May 05, 2010, 09:29:02 PM » |
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Ficher Panda do expensive ones. I have a Lombardine air cooled 10hp with a 24v alternator and a Stirling smart regulator to charge mine. Also use it to float heavy inverter loads. Billy  |
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Navitron 24vx300watt windy thing, 20x47mm toobs,24v Rolls @458ah C5, Victron MultiPlus 3kw inverter/charger, WBS with boiler.
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Justme
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« Reply #5 on: May 05, 2010, 09:40:55 PM » |
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Fit any old small engine to a car/lorry/boat/industrial alternator, hey presto a DC genny.
Should be cheap too if you use a used car alt.
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Navitron solar thermal system
30 x 58mm panel 259L TS
1200watts solar 120vdc
FX80 Solar controller
Victron 12v 3000w 120a
200w (250w peak) 12v turbine as a tester
6kva genny
6 x 2v cells 1550amp/h 5C
24 x 2v cells 700amp/h 5C
Total bank 4350 amp/h @12v
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rogeriko
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« Reply #6 on: May 05, 2010, 11:12:06 PM » |
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I got an alternator of an old bus 120 amps at 24 volts perfect for the job with an old diesel single cylinder.
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Justme
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« Reply #7 on: May 06, 2010, 09:56:24 AM » |
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Yeh just gear it up so the alt is doing over3-5000 rpm ish.
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Navitron solar thermal system
30 x 58mm panel 259L TS
1200watts solar 120vdc
FX80 Solar controller
Victron 12v 3000w 120a
200w (250w peak) 12v turbine as a tester
6kva genny
6 x 2v cells 1550amp/h 5C
24 x 2v cells 700amp/h 5C
Total bank 4350 amp/h @12v
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camillitech
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« Reply #8 on: May 06, 2010, 04:44:56 PM » |
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If you do make your own just make sure that you fit a proper regulator instead of the one that comes with the unit. A car, lorry, bus, plant and even most boat alternators will NOT fully charge your batteries. Something like this http://www.sterling-power.com/products-altreg.htm though there are others. Most vehicle alternators have very crude charging regulation, working on the principle that most vehicles use most of their electrics when underway and their batteries are seldom discharged by more than a few % Just as car batteries are useless for renewable applications so are their voltage regulators. Cheers, Paul |
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http://lifeattheendoftheroad.wordpress.com/12kw Lister 11m turbine tower 10 hundred ah 48v battery bank 900' pennstock 8kw woodburner 7kw Lister 6 bladed Rutland 50w of solar 4 and a half Kw inverter 3kw Lister 2 hydro turbines and a Proven in a pear tree :-) Raasay, 57 27 537 N 06
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hawkie
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« Reply #9 on: May 06, 2010, 05:19:55 PM » |
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Where abouts are you based? I have a alternator for a continental coach hardly used 24 volts 150 amps I think, If you were interested we could do a deal Regards Hawkie |
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Amy
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« Reply #10 on: May 06, 2010, 06:00:52 PM » |
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Has anyone got a 12v 200 amp alternator for sale?
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northern installer
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« Reply #11 on: May 07, 2010, 10:19:53 AM » |
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try a bid on this one Phoenix.......310216628316 on the auction site that dare not speak its name............  |
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"government scrappage scheme still available on Tardis trade ins (dont ask how we get around the deadline...)"
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Amy
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« Reply #12 on: May 07, 2010, 10:47:34 AM » |
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try a bid on this one Phoenix.......310216628316 on the auction site that dare not speak its name............ Looks ideal but sadly, its a 24v |
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daftlad
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« Reply #13 on: May 07, 2010, 11:03:57 AM » |
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Has anyone got a 12v 200 amp alternator for sale?
Try your local scrapyard and find an old BMW 7 series or something similar. ta ta |
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I WILL KEEP BANGING ON ABOUT MASONRY STOVES
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northern installer
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« Reply #14 on: May 07, 2010, 10:00:45 PM » |
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try a bid on this one Phoenix.......310216628316 on the auction site that dare not speak its name............ Looks ideal but sadly, its a 24v sorry Amy,this was for Phoenix,who is looking for 24 volts! |
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« Last Edit: May 07, 2010, 10:03:21 PM by northern installer »
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"government scrappage scheme still available on Tardis trade ins (dont ask how we get around the deadline...)"
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