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Posted by Eeyore on December 12, 2006, 4:15 pm
 




homeboy465 wrote:


The TL783 can tolerate an input voltage of up to 125V. It's even the same pinout
as the LM317 IIRC. It does require a minimum load of several mA to work
correctly btw.

Graham



Posted by homeboy465 on December 13, 2006, 2:08 pm
 




well that would explain it lol thanks for that



Posted by Solar Flare on December 12, 2006, 8:39 pm
 

I was looking for a regulator that would be capable of a high
input-output voltage like the TL783 and could not find one in a few
nights search. All the listed high voltage units I could find then
were good up to 125v but with only 20-30v dropout from input to
output.

I finally gave up and used a zener circuit to drop it to about 20v and
then into the 7812. I used four 82 volt, 20K joule  MOVs where they
had not installed the main capacitor to alleviate some of the
posibility of high voltage into the controller for the next time the
wind turbine goes open circuited. They gonna go **bang** probably in
the next hurricane though...LOL



Posted by homeboy465 on December 13, 2006, 2:08 pm
 



it's never good when things go bang when there is no combustion involved



Posted by Eeyore on December 8, 2006, 5:05 pm
 



homeboy465 wrote:


" for increasing revolutions un the UK "

???????


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