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Alternator Stator Terminal

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rognal(at)clipper.net
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Posted: Mon Feb 06, 2006 7:19 pm Post subject: Alternator Stator Terminal

I'm wiring my experimental per Z-11. I have installed a Continental IO-240-B which came (new) with their (TCM) 60A Alternator installed. This alternator has a threaded terminal identified as 'Stator', as well as the terminals marked Battery, Field, and Ground.



Can anyone tell me if this alternators 'stator' terminal needs a connection of some kind? Or leave it unconnected?



A search of the archives revealed nothing to me, nor did the Continental Engine Operator's & Maintenance Manuals.



Thanks in advance for any advice.



R. Hoffman

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rognal(at)clipper.net
Guest

Posted: Mon Feb 06, 2006 7:19 pm Post subject: Alternator Stator Terminal

I'm wiring my experimental per Z-11. I have installed a Continental IO-240-B which came (new) with their (TCM) 60A Alternator installed. This alternator has a threaded terminal identified as 'Stator', as well as the terminals marked Battery, Field, and Ground.



Can anyone tell me if this alternators 'stator' terminal needs a connection of some kind? Or leave it unconnected?



A search of the archives revealed nothing to me, nor did the Continental Engine Operator's & Maintenance Manuals.



Thanks in advance for any advice.



R. Hoffman

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nuckollsr(at)cox.net
Guest

Posted: Mon Feb 06, 2006 8:24 pm Post subject: Alternator Stator Terminal

At 07:18 PM 2/6/2006 -0800, you wrote:



 	  Quote: 	
		  

<rognal(at)clipper.net>



I'm wiring my experimental per Z-11. I have installed a Continental 

IO-240-B which came (new) with their (TCM) 60A Alternator installed. This 

alternator has a threaded terminal identified as 'Stator', as well as the 

terminals marked Battery, Field, and Ground.



Can anyone tell me if this alternators 'stator' terminal needs a 

connection of some kind? Or leave it unconnected?



A search of the archives revealed nothing to me, nor did the Continental 

Engine Operator's & Maintenance Manuals.



Thanks in advance for any advice.



R. Hoffman


	


    The "Stator" terminal is the center tap on a "Y" connected

    stator winding.  This terminal has been used in a variety

    of ways to sense whether or not the engine was turning

    the alternator, as a signal to drive various alternator

    failure detectors, ect.



    I've not seen a useful application of this signal in years.

    It exists only on alternators with "Y" connected windings.



    In any case, you can ignore this terminal.



    Bob . . .



      < What is so wonderful about scientific truth...is that >

      < the authority which determines whether there can be   >

      < debate or not does not reside in some fraternity of   >

      < scientists; nor is it divine. The authority rests     >

      < with experiment.                                      >

      <                            --Lawrence M. Krauss       >

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