mtmeans
Joined: 12 Jan 2008
Posts: 2
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 Posted: Mon May 26, 2008 6:36 am Post subject: OV protection - internally regulated alternator |
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I have been building an automotive conversion Velocity for many years now and have gone through the OV protection is good (I actually have an OV module I built and tested) to the “no longer recommended nor do we recommend internally regulated alternators”. I am running my engine successfully, have Eaton contactors to isolate redundant batteries as well as the B lead which is controllable via CB. I also have the monster fuse in the B lead. I searched the archives for a couple hours and have seen much discussion on nuisance OV breaker trips and alternator problems. My questions are:
- what are the odds of a runaway and is this usually a slow increase in voltage or rapid?
- what is the problem with the OV protection with the internally regulated alternators if the module works as designed and pulls the alternator offline in a runaway situation?
- if the alternative is electronic monitoring and pulling the alternator offline, is there a downside to this other than slow reflexes?
- what are the foreseeable consequences of delays of pulling it offline?
Thanks for any help sorting this out.
Mark Means
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