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Forum: Electrical: Batteries, Generators & Solar 19-07-2013, 10:08
Replies: 61
Views: 12,620
Posted By David M
Forum: Electrical: Batteries, Generators & Solar 19-07-2013, 08:29
Replies: 61
Views: 12,620
Posted By David M
Re: Alternator Positive Wire Sizing

No, when charging the alternators voltage regulator controls the DC system voltage....period. The amount of current produced by the alternator is determined by the system load and batteries charge...
Forum: Electrical: Batteries, Generators & Solar 18-07-2013, 10:42
Replies: 61
Views: 12,620
Posted By David M
Re: Alternator Positive Wire Sizing

Correct, the alternator voltage regulator controls the DC system voltage when charging. When not charging the battery determines the DC system voltage...assuming nothing else is charging the DC...
Forum: Electrical: Batteries, Generators & Solar 18-07-2013, 09:51
Replies: 61
Views: 12,620
Posted By David M
Re: Alternator Positive Wire Sizing

For an 8 foot run at 55 amps with a 3% drop, you want 6 AWG wire. Anything larger would be overkill and anything smaller would create an unacceptable voltage drop.

The West Advisor: Marine Wire...
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