View Full Version : - Perentie 28V Alternator
dingsy
17th March 2014, 03:46 PM
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Grants
17th March 2014, 04:06 PM
Just curious, but what use could be made of a 28v alternator? could it be converted to generate 240v to use when we have power outages or for camping . Maybe use as it is, but pump it through an inverter to get practical power options, but then, are there 28v to 240v inverters?
Maybe the troops came up with creative uses for 28v:)
Blknight.aus
17th March 2014, 04:43 PM
they can be tweaked up to pump 160A and they can easily cope with 32V delivery... DC....
can anyone else say Perfect onboard welder?
yes they can also be field tapped for AC but you're better off using them to deliver Dc into an inverter with a good battery as a buffer.
Im more curious as to what version of perentie yours came out of and what you plan on doing with the space the 24v system took up.
dingsy
17th March 2014, 05:51 PM
I've pulled it put of my survey FFR van. The plan is to use the space for an A/C compressor at some stage but there's a lot of other stuff to do first!
Blknight.aus
17th March 2014, 06:32 PM
the setting on that alternator should be for 40A@28.8V theres a jumper wire inside on the regulator that from memory (Dont got the emei in front of me) that should let you set it to 40,80 or 100A
assuming its http://www.milspec-mfg.com.au/files/images/img-jpg-1242939807.jpg that kind of alternator
dingsy
17th March 2014, 06:37 PM
Yep, that looks like the one. Were the FFR soft top units set differently? Very interesting.
Blknight.aus
17th March 2014, 06:47 PM
depends on what you had them in...
the amps rating was changed to match the battery configuration to stop from cooking the bateries and or wiring.
in armored vehicles they were always set up for max amps. the mogs had them set on the middle setting and the macks and landies had them on the low setting (remember the macks were air start and the FFR wiring for charging batteries wasnt massive, as the dist box was setup for external charging if you were doing a protracted job)
of course what they were ment to be and what they were.....
dingsy
26th March 2014, 08:26 PM
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DBT
1st June 2014, 06:08 PM
If the circuit breaker on the distro box is set to off (open curcuit), do the batteries still charge?
Is it normal / recommended to keep this system "switched off" when not in use?
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