Re: [CAD_CAM_EDM_DRO] Re: Increased power to Gecko 201's

No , I mean 70 volt DC output

bull2002winkle wrote:

>Ron:
>
>You are correct to worry a bit. A 70 volt transformer will give you
>about 98 volts DC and that's above the 70V G201 rating. The MOSFET's
>he uses in the G201 are rated for 100V at 10A but he is conserative
>(like all good engineers) and specifies a 70 volt max. A good rule of
>thumb is that the DC voltage will about 1.4 times the AC voltage of a
>transformer so plan accordingly.
>
>Ken
>
>--- In CAD_CAM_EDM_DRO@yahoogroups.com, Ron K <godsone@e...> wrote:
>
>
>>Thanks for your answers .
>>I found another transformer that gave me 50 volts instead of the 38
>>volts and it has made a noticeable difference in the speed and
>>acceleration of the mill .
>>Oh yes , the higher voltage did not make any difference in the motor
>>temperature and I'm still running the Geckos wide open ( no current
>>
>>
>set
>
>
>>resistor )
>>PS. I'm a little worried about trying the 70 volt transformer it is
>>awfully close to the 80 volt self destruct point .
>>
>>--
>>Ron Kline
>>
>>American Precision Ceramics
>>ge have been removed]
>>
>>
>
>
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--
Ron Kline

American Precision Ceramics



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