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Re: Xfrmr shunt theory
Original poster: "Terry Fritz" <twftesla-at-uswest-dot-net>
Shunts are usually made of many metal plates and you can easily take a few
plates out. So #1 is by far the best. Air gaps have a very extreme effect
and it would be very hard to adjust NSTs with air gaps. Definitely #1 is
best. Some current limited transformers meant for very low current do use
air gaps but those are very carefully made. A little filing in such a case
may do the trick. However, almost all NSTs will use plates and not air gaps.
At 10:45 AM 5/4/2001 -0700, you wrote:
>I've gotten zero response in a week, I'll try asking one more time...
> seems to me there are two ways to decrease the shunt-age in an
>NST. 1) remove something so that the shunts have a smaller cross section but
>still bridge completely across, 2) remove something so that there is an air-
>gap to the shunts but they still have their original cross section.
>Which is prefered and why.
>(another Q, has anyone ever tryed to "increase" the shuntage in a MOT to
>lower the current and make it usable with a static gap?)