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  1. #1
    The "Friends" of Officer Frank Poncherello BUCKET's Avatar
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    Compu - fire series type regulator/rectifier

    I don't know if any of you c#*ts want to make this a sticky , lets get as much info in here about series type regulators and their advantage.
    Maybe one of the SUPER - MODS can get off their lazy fn ass and sticky this after we get some info in here.

    Here's something i found off another site.

    The difference between Series & Shunt is that:

    Shunt - the Stator always has to apply maximum generated current - when the R/R is in regulation it shorts across the winding to 'shunt' current away from the load directly back to the stator. In an SCR (OEM) Shunt Regulator the SCRs get extremely hot and they ultimately burn out if that heat is not adequately cooled - that is why OEM needs to up front directly in the cooling path.
    Because of the way it operates, if you reduce the system load (e.g. turn off the lights) the R/R will actually have to shunt MORE current and will run hotter - but the stator load is the same regardless of whether the current is going to the load, or back through the SCR's.

    Series - this is fundamentally different in that in a Series design, instead of diverting (shunting) excess current back to the stator to control the output voltage, the regulation works by interrupting the current path to the load. This means that the Regulator ONLY supplies current demanded by the load itself, and no excess current parallel path through a shunt. So the net result is that this type of Regulator is MUCH kinder on the stator because the stator is always supplying much less current! So the stator does not get so hot and its reliability increases significantly.
    The fact that it has SCR's is not quite so problematic as in the Shunt application, because they are flowing less current and for a shorter duration. So they will not get as hot as when used in shunt mode.

    Chewie,if you can get the links you have in here that would be great.

    Last edited by BUCKET; 09-11-2013 at 10:55 PM.
    I like shiny things.

  2. #2
    The "Friends" of Officer Frank Poncherello Joe Houle's Avatar
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    If Bucket was a regulator/rectifier, he would def be a big ol' SHUNT

    Because he's HOT HOT HOT
    Quote Originally Posted by doug View Post
    Perhaps the right pipe is echoing out of your vagina



  3. #3
    Squidly Diddlers 1wheel's Avatar
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    Nothing like a nice hot shunt to make a guy smile.

  4. #4
    The "Friends" of Officer Frank Poncherello BUCKET's Avatar
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    Joe Houle knows what he's on about .
    I like shiny things.

  5. #5
    The "Friends" of Officer Frank Poncherello Chewie.'s Avatar
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    I am posting all this stuff because Grubbery asked so nicely.

    The first is a link to the VFR forum which will link you to a pdf document that explains the difference between the way a Shunt type R/R works, compared to a series type (like compufire.)
    http://www.vfrdiscussion.com/forum/i...attach_id=8336

    Next is a link to the Aprilia forum. This will show some infrared photos of an aprilia Stator cover with both types of regulator to prove that it runs cooler with the Compufire. The post with the infrared pics is #33
    Chalk up another stator - Page 3

    After that is a link to the cheapest source for the Compufire for you 'murricans (free shipping) Edit...price has gone up since I last looked. You might find it cheaper elsewhere.
    Amazon.com: Compu-Fire Regulator for 40A 3-Phase Charging Systems 55402: Automotive

    And last is a link to a really good connector for connecting the stator to the R/R. BTW all of this stuff and much more has already been posted in other threads. Its worth doing a search for "stator" and sifting through all the threads that come up.

    http://www.ebay.com/itm/METRI-PACK-4..._Video&vxp=mtr







    Last edited by Chewie.; 09-12-2013 at 11:08 PM.
    John

    "I haven't shot anybody since 1992...and even then I didn't do it!" - Mark 'Chopper' Read

  6. #6
    The "Friends" of Officer Frank Poncherello Chewie.'s Avatar
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    Joe.....you provocative kunt....keep the BS out of these tech threads. You should know better, you phucking kunt!
    John

    "I haven't shot anybody since 1992...and even then I didn't do it!" - Mark 'Chopper' Read

  7. #7
    Squidly Diddlers Equito's Avatar
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    Also on the VFR board - 2 *possible* compufire failures
    My Compu-Fire Regulator Died Today. - Electrical - VFR Discussion
    Compufire Failure? - Electrical - VFR Discussion

    One of the impacted is now trying one with a higher amp rating (50 amp): Cycle Electrics http://www.roadstercycle.com/Roadste...Regulators.htm

    Not clear if either of these failures is due to the installation wiring job, or the inability of the Compufire to handle higher-rpm stator loads present in the VFR (should be a bit less on the S3 with its more limited rev range).
    Last edited by Equito; 03-16-2014 at 10:19 AM.

  8. #8
    The "Friends" of Officer Frank Poncherello antisocial's Avatar
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    Quote Originally Posted by Chewie. View Post
    Joe.....you provocative kunt....keep the BS out of these tech threads. You should know better, you phucking kunt!
    sparti?

  9. #9
    Squidly Diddlers Tripletriple's Avatar
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    Quote Originally Posted by Equito View Post
    Also on the VFR board - 2 *possible* compufire failures
    My Compu-Fire Regulator Died Today. - Electrical - VFR Discussion
    Compufire Failure? - Electrical - VFR Discussion

    One of the impacted is now trying one with a higher amp rating: Cycle Electrics http://www.roadstercycle.com/Roadstercycle Series Regulators.htm

    Not clear if either of these failures is due to the installation wiring job, or the inability of the Compufire to handle higher-rpm stator loads present in the VFR (should be a bit less on the S3 with its more limited rev range).
    i have read read this, I think the guy got his compufire exploded when he got to 11k

  10. #10
    Squidly Diddlers 1050BUZZ's Avatar
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    Got about 1500 miles (I think, gotta double check) on my series scr shendengen sh775 and no problems. Used triumphs wiring kit. I've tried to charge it a few times and the charger said nope, its already full.

 

 

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