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pete.howell(at)gecko-grou
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 Posted: Sat Jan 27, 2007 8:31 pm Post subject: z-13/8 |
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Hello,
I am helping a friend design an electrical system for his RV-7A. We are
working with Z-13/8 and have come up with a few questions.
1)If the main alt and the SD-8 are both on line(should they ever be?), how
does the system balance the power from the 2 alternators? Do you need to
worry about power feeding back into the SD-8 from the main alternator?
2)Can you test to see that the SD-8 is working with out turning off the main
alternator? If so, how?
Thanks,
Pete
Z-11 with P-mags
65 hours and going strong
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nuckollsr(at)cox.net
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| Posted: Sat Jan 27, 2007 9:49 pm Post subject: z-13/8 |
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At 10:30 PM 1/27/2007 -0600, you wrote:
| Quote: |
<pete.howell(at)gecko-group.com>
Hello,
I am helping a friend design an electrical system for his RV-7A. We are
working with Z-13/8 and have come up with a few questions.
1)If the main alt and the SD-8 are both on line(should they ever be?), how
does the system balance the power from the 2 alternators? Do you need to
worry about power feeding back into the SD-8 from the main alternator?
|
SD-8 backs up the main alternator. They are not intended to
operate in concert with each other. See the rationale for
Z-13/8 architecture on page 17-10 of the 'Connection.
| Quote: | 2)Can you test to see that the SD-8 is working with out turning off the main
alternator? If so, how?
|
No, that's the way you do it. One alternator on at a time
to see that it picks up it's expected duties independently
of the other.
Bob . . .
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