Too true.  I was focused on the 50Hz.  That won't work.  He'll saturate 
his core at that frequency unless he uses so many turns of such fine 
wire that he can't carry the current that's required by his application.

Dave

Gerhard Fiedler wrote:

>David Minkler wrote:
>
>  
>
>>>Each step is 3.333uS, BTW (6*3.333 = 20mS = 50Hz).
>>>      
>>>
>
>  
>
>>Do you mean uS or mS?  You use both.
>>    
>>
>
><detail mode>
>He probably meant neither uS nor mS, but rather ms (judging by the 50 Hz).
>See for example <http://physics.nist.gov/cuu/Units/units.html> -- search
>for "time" and "electric conductance" on this page :)
></detail mode>
>
>Gerhard
>  
>


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