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Re: flyback TC
On Sun, 17 Oct 1999 18:17:04 -0600 Tesla List <tesla-at-pupman-dot-com> writes:
> Original Poster: "Peter Murphy" <pmurphy-at-terrigal-dot-net.au>
>
>
> -----Original Message-----
> From: Tesla List <tesla-at-pupman-dot-com>
> To: tesla-at-pupman-dot-com <tesla-at-pupman-dot-com>
> Date: Saturday, October 16, 1999 9:06 PM
> Subject: flyback TC
>
> Hi All
> The Current from a flyback trannie running in a TV set in standard
> mode is
> limited to around 1ma anymore
Hmmm, when I tried a jacob's ladder with it it got one single hot spark
and the tv would turn off. Then I used high series resistance and it
worked. Sort of.
I think I not what did the limiting now that I took the TV apart. There
is a single loop on the core that goes to a TRIAC in the main power
supply. Perhaps if this recieved not enough current the power goes off
because it think's there is a short somewhere. In the future I might try
just putting a small 1 amp transformer on the TRIAC's gate to keep the
flyback.
and the shadowmask in the picture tube
> will
> heat and warp.
Gee darn;)
> The voltage is determined by the size of the tube 30kv
Actually 30.5kv;)
sounds like a
> set
> around the 30 inch mark 14 inch sets run at about 22kv.
> Think you will need more current for TC use others on the list
> should be
> able to give you circuits and mods for running flybacks.
> Pete the TV Repairman
Thanks for the pointers
>
>
> >Original Poster: Bryan St <warp27-at-juno-dot-com>
> >
> >Hey guys
> >1. Has anybody tried coiling from the guts of a tv? I mean running
> a TC
> >off the high voltage from a flyback still in it's tv? The tv I was
> >thinking of using says the output is 30kv. It is a 30 inch
> tv(about) but
> >I don't know the current output of the flyback, it can't be much.
> >2. If you inductively ballast a pig, won't this prevent the sine
> wave
> >from peaking and lower your output voltage?
> >3. Ihave calculated the output of a cascade multiplier with 60
> stages to
> >be at least 6kv and 60ma(1kv drop). Is there any reason for this
> not
> >working for a TC?
> >Thanks
> >Bryan
> >___________________________________________________________________
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> >
>
>
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