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Re: 300 bbs
Original poster: Terry Fritz <teslalist-at-twfpowerelectronics-dot-com>
So NSTs driven at 500BPS have some odd failure =:O
Like to know the value and setup info. If you still have them, I would be
happy to have one shipped here to see what broke.
Cheers,
Terry
At 06:05 PM 2/29/2004, you wrote:
>I'm not sure of the exact failure mechanism, but we had two fail within 10
>minutes even when protected with a Terry filter. We were testing them at
>500 pps in a worse case scenario.. The same circuit ran for 2.25 hrs
>continuous at 120 pps without any problems on the same model xmfr --- all 3
>used in the test were new units.
>
>Dr. Resonance
>
> >
> > Why would an NST care what the bang-rate is? What would the failure
> > mechanism be for a too-high bang-rate? The only failure modes I'm aware
> > of are excessive terminal voltages, caused by mains resonant rise from a
> > too-wide static gap, and _possibly_ NST secondary overcurrent, though
> > this would be difficult to prove.
> >
> > Gary Lau
> > MA, USA