[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]

Re: 12V source for lighting



On Thu, 4 Jan 1996, Alan Cordeiro wrote:

> 
> In reality, it is the other way around. The voltage regulator is built into
> the ALTERNATOR. Hence the voltage at the ALTERNATOR TERMINALS is probably
> the most steady point in the whole car, the voltage at the battery terminals
> will fluctuate depending on the voltage drop in the cable from the engine
> compartment to the battery. Its probably very low, <0.2 volts typically,
> unless the battery is very low and being charged with a high current.
> 

Yeah, but the regulator has a usefull range, at idle, it isnt doing much 
etc... The battery will always supply a constant 12.8-13.6 volts.  The 
voltage drop also applies to cables to the alternator. This is especially 
true on the UrQ.

Bob


  ___       __     ___  ___              __     
  / _ )___  / /    / _ \/ _ | __ _  ___ _/ /____ 
 / _  / _ \/ _ \  / // / __ |/  ' \/ _ `/ __/ _ \
/____/\___/_.__/ /____/_/ |_/_/_/_/\_,_/\__/\___/
                                                 
bob.damato@snetel.com 		 	          |Phone:203.771.7081
						  |Fax:  203.773.3398
The Southern New England Telephone Co.		  |Pager: Yeah, Right...
300 George St. New Haven, CT 06510
Information & Technology Center 
http://snetel.com/audi/audi.html

Drive Safe, Drive Fast, Drive a Quattro