Home » Public Forums » GMCnet » Isolater vs Alternator (My experience)
| Re: [GMCnet] Isolater vs Alternator [message #326705 is a reply to message #326699] |
Sun, 03 December 2017 18:56   |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma:
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John,
Three things I like about combiners vs isolators:
1. The alternator sense line is always connected to the chassis battery.
2. The combiner is bidirectional so that if either the alternator or the
converter is producing adequate voltage, both batteries will be charged.
Without my having to remember to connect Ken B's $1 combiner (jumper wire).
3. If there is a combiner failure, since #1 above is true, it does not
result in the 28+ VDC I've seen on the house circuits several times after
combiner diodes opened.
Ken H.
On Sun, Dec 3, 2017 at 5:39 PM, John Phillips
wrote:
> Does a combiner tie both battery sets together when it starts to charge? If
> so how do you avoid using the charged battery to charge the discharged
> battery?
> I would think the isolator even if you went to 400 amps would be a better
> deal as long as you use a remote sense alternator. There is a 400 amp full
> wave bride on eBay for less than $30 and the $150 amp is less than $10.
> What am I missing about a combiner?
>
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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