nuckolls.bob(at)aeroelect
Guest
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 Posted: Tue Apr 28, 2009 3:44 am Post subject: ECU - EFI - Dual Battery Bus - Schottky Diode ? |
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At 10:18 PM 4/27/2009, you wrote:
| Quote: | Hello, Hello,
Wondering if anyone has tried using dual Schottky diodes to power
fuel injectors and ignition coils from two batteries ?
I'm looking for a 2 battery system with fuel injectors and ignition
coils fed directly from both batteries.
If one battery fails the other battery automatically powers
injectors & coils (and is isolated from bad battery by Schottky).
Any thoughts ?
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That's the idea behind the power distribution
architecture described in Figure Z-19 at:
http://www.aeroelectric.com/PPS/Adobe_Architecture_Pdfs/Z19-RBA1.pdf
http://www.aeroelectric.com/PPS/Adobe_Architecture_Pdfs/Z19-RBA2.pdf
The drawing suggests bridge rectifier diodes as the
low parts count solution . . .
http://aeroelectric.com/Pictures/Wiring_Technique/diode_wiring.jpg
. . . but diodes of your choice may be substituted if
sufficiently rated. One example among several can be
seen here:
http://aeroelectric.com/Catalog/AEC/9001/IM9001-700A.pdf
If you've not studied the philosophy of failure tolerant
architecture and fabrication of electrical systems, may I
suggest a copy of the AeroElectric Connection (in particular
chapter 17) and a running conversation with the learned
folks here on the List will assist you in moving your
project forward with confidence and understanding.
Bob . . .
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( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
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