Hi Dennis,
I think that you don't need to change anything for a higher current NST.
The 100W resistor may feel really hot with the increased current, but in
reality they're dissipating far less than the rated 100W.
Regards, Gary Lau
MA, USA
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On Sun, Dec 10, 2017 at 9:24 PM, dennis otmaskin <dotmaskin@xxxxxxxxx>
wrote:
> Hi I've just returned to the list after having been away for several
> years. I'm starting a new project and was hoping someone out there could
> provide some advice or point me to a resource to answer my question.
>
> My current coil is a static gap 15/60. I'd like to replace the 15/60
> transformer with one rated at 15/135. My question is: do I need to build
> more robust Terry filter for this new transformer? The existing Terry
> filter is built to specs for a 15/60: a safety gap, plus ON EACH LEG of
> the NST: 8 1800v ZNR MOVs in series, 1 800pF 35,000v transmitting
> capacitor, 1 ceramic wire wound resistor 1.0k ohm 100 W).
>
> Any help would be appreciated. Thank you, Dennis
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