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Re: Bug Zapper Transformer Ratings
Original poster: "Peter Lawrence by way of Terry Fritz <teslalist-at-qwest-dot-net>" <Peter.Lawrence-at-Sun.COM>
Dave,
with a core X-section of just under 0.2 sq inches, then according to the
tables at
<http://members.tripod-dot-com/~schematics/xform/xformer1.htm>
this xfrmr is good for a whopping 8-VA !!!
I'm sure you could push it for short periods of time, but I'm not sure how
you'ld figure this out beside just trying it.
-Pete Lawrence.
>
>Original poster: "David Sharpe by way of Terry Fritz <teslalist-at-qwest-dot-net>"
<sccr4us-at-erols-dot-com>
>
>All
>I took apart a derelict BZ in the yard and removed the HV transformer.
>
>Core X-section is approximately 3/8" x 1/2", two separate windings.
>LV 120VAC, 60hz. HV epoxy encapsulated. With 123VAC on sec,
>primary measured ~ 2.9V (40:1 ratio loaded I would guess - about
>4.8kVAC).
>
>Any idea how to calculate VA capacity and safe LTR cap sizing for this
>
>guy? Thanks!
>
>Regards
>Dave Sharpe, TCBOR/HEAS
>Chesterfield, VA. USA
>
>