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Re: Newb question on transformers



Original poster: "by way of Terry Fritz <teslalist-at-qwest-dot-net>" <FutureT-at-aol-dot-com>

In a message dated 1/28/03 10:11:00 AM Eastern Standard Time, 
tesla-at-pupman-dot-com writes:

To give the short answer, higher voltage is better than higher current,
due to lower losses in the typical case.  Usually it's not a huge
performance difference though.

If a very high voltage of 100kV or so is used however, corona losses,
insulation problems and/or gap problems may negate the advantage
of higher voltages.  For this reason, folks usually use a voltage
between 10kV and 40kV, but many people have built fine coils
that run at lower voltages.

John


>Ok newbie first time coiler here. My Question is about the main
>transformer. Now, is it better to have a high voltage, with a slightly
>lower current, than a lower voltage, slightly higher current? Or would it
>not matter as long as the power(watt or p=i*e) rating is the same? For
>example, if you had a 15kv with a 30mA output, would that be better than
>say a 10kv, 45mA transformer? OR since both of the power ratings are the
>same would it not really matter? Thank you for your time ~Tyler See my jeep
>and my stereo here http://members.sounddomain-dot-com/jeepsrcool
>