nuckolls.bob(at)aeroelect
Guest
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 Posted: Sat Mar 03, 2012 4:41 pm Post subject: Lamar DSX1240-1 Alternator overvoltage protection |
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At 02:28 PM 3/3/2012, you wrote:
Does anyone have additional information concerning the Lamar 40A
alternator, part number DSX1240-1 ?
A fellow builder purchased one from his engine builder and wants to
add overvoltage protection.
The website seems to be non-functional at the moment, so I have
attached the diagram provided in the minimal installation
instructions. If the attachment doesn't come through, you can see the
diagram here:
http://www.qenesis.com/Temp/LamarDSX1240-1.jpg
To me, it looks like the separate connection for the field wire should
work nicely with a typical overvoltage protection circuit designed to
pop the breaker.
This diagram has the look, feel and smell of the
classic, internally regulated automotive alternator.
Modification for external regulation (Like the
B&C products) -OR- external OV protection
for the existing regulator (like PlanePower)
are the most practical approaches.
Either one requires a knowledgeable disassembly
and surgery to add OV protection to the field
supply circuit. Alternatively, one can add a
b-lead contactor and ov sensing as depicted
here:
http://www.aeroelectric.com/PPS/Adobe_Architecture_Pdfs/Z24-Interim.pdf
My best recommendation is to accomplish the
necessary changes to remove the existing
regulator and re-wire for external regulation
typical of the Z-figures.
Bob . . .
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