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Re: [TCML] Another NST question
----- Original Message -----
From: "Neal Namowicz" <neal@xxxxxxxxxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Saturday, December 08, 2007 12:28 AM
Subject: [TCML] Another NST question
I thought I had read before that nst's shouldn't (couldn't?) be put in
series to double their voltage, that it would be too much of a strain on
the secondaries. But, we all know that there's some "wiggle room" in their
construction, otherwise we couldn't get away with removing shunts and
doubling the ma output. So assuming that one phases them correctly, is it
possible to series two of them together? I was thinking 2 9kv/30ma's to
give me about 18kv, slightly less if I don't drive it to 100%. I just chose
that size because I have them already. Thanks everyone for your input on
this.
Neal.
I have linked them in series, but not at that voltage. The problem is they
tend to be center tapped to ground , IE, +5KV GND -5KV (10KV). If you
connect them in series then they would flash over on the NST windings (no
ground connected, I found that out that hard way).
The ones I had were only 4KV and no ground connection. I linked them in
series and center taped to ground with no problem. Been like that for over
10 years and still working.
I am not sure if they make them without center taps, someone else may have
come across them over the years though I have never seen any...
Most link MOT's in series and center tap to ground with no problem..
HTH
Chris
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