[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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
 >
 >