View Single Post
  #2   Report Post  
posted to rec.boats.electronics
chuck chuck is offline
external usenet poster
 
First recorded activity by BoatBanter: Jul 2006
Posts: 50
Default Can an alternator be to big?

Glenn Ashmore wrote:
I have been offered a really good deal on a high amp (325 amp) fire engine
alternator by the city vehicle maintenance shop. It was purchased as a test
unit but due to some budget cutbacks ended up being to expensive to equip
the whole fleet. This monster is hot rated at 200 amps at 2,000 rpm and
275 amps at 4000 rpm. I am thinking about buying it and keeping the 200 amp
Leece Neville as a spare.

My battery bank is 850AH of L16HC wet cells that can take 200 amps in bulk
charge. Is my Xantrex smart regulator going to keep this monster from
cooking my battery bank?


A smart regulator should have no problem
at all with an over-size alternator. In
the end, the battery itself will
determine the rate at which it will
accept charge. With so large a bank and
so ample an alternator, a soft-start
feature on the regulator will add life
to your belt(s). And belts and slippage
may also limit charging current.

Chuck

----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==----
http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups
----= East and West-Coast Server Farms - Total Privacy via Encryption =----