Posted by JMOR on June 04, 2013 at 12:02:04 from (72.181.173.171):
In Reply to: 48v delco alternator? posted by George Marsh on June 04, 2013 at 10:37:22:
Quoting Removed, click Modern View to seeNo need to burn that much power with 10 & 30 Ohms, as 1,000 and 3, 000 Ohms will be fine. And that takes into account the ~1ma Sense (#2) drain.
The two spade terminals are #1 excite and #2 Sense. Right & left depends on observer's and alternators positions.
If you do as I suggested in post responding to sotxbill, then there will be no connection to spade #1. That will be covered by the removal of diode trio and the addition of an input to the point of the trios previous output.
Sounds like the plan is wind power. If it is, I see a problem in that if batteries are low, calling for charge AND there is insufficient wind, then the bottom battery is still being drained by the VR's demand for field current & at 3 amps field, it will discharge in less than a day. Assuming 66 A-H battery.
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