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jonlaury
Joined: 06 Nov 2006
Posts: 336
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 Posted: Mon Nov 22, 2010 12:37 pm Post subject: OV protection for Alt energized contactor |
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My Stby alternator energizes its contactor, per the attached drawing.
How do I provide OV protection to the circuit with an OVM 14?
Thanks,
John
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Stby Alt OV protection study.pdf |
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Float Flyr
Joined: 19 Jul 2006
Posts: 2704
Location: Campbellton, Newfoundland
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| Posted: Tue Nov 23, 2010 11:53 am Post subject: OV protection for Alt energized contactor |
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Looks to me if the S terminal of your Ford regulator senses too high a
voltage for any reason then it will cut all power to the F terminal of your
alternator. Problem with this set up is that it doesn't give you an
indication that you have gone into an OV situation.
Notice the G2 ground to the case of the regulator is important to have this
clean and corrosion free.
Noel
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Noel Loveys
Kitfox III-A
Aerocet 1100 Floats |
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jonlaury
Joined: 06 Nov 2006
Posts: 336
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| Posted: Tue Nov 23, 2010 1:05 pm Post subject: Re: OV protection for Alt energized contactor |
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Noel,
Thanks for your observations. I think I've addressed my own original question with Bob N's direction to an example of std procedure. See the other "OV protection ..." thread
A forest and trees thing.
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Float Flyr
Joined: 19 Jul 2006
Posts: 2704
Location: Campbellton, Newfoundland
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| Posted: Thu Nov 25, 2010 7:30 pm Post subject: OV protection for Alt energized contactor |
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Thanks guys That part of the schematic wasn't on the first diagram I saw...
It's good to be, pun intended, on the same page with the rest of you.
Noel
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Kitfox III-A
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