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Re: [TCML] BPS Testing
In a message dated 3/12/2008 9:26:08 P.M. US Eastern Standard Time,
>I agree, if only 3 laminations then this makes only slight difference. I
>think the fact that the NST's get warm at 140Vac is showing that the
>transformers are likely saturating. But this of course would have to
>measured against a normal input voltage temperature. What is strange, is
>how saturation affects the current available for cap charging. This is
>the key. If we run our NST's into saturation for low duty cycles, it may
>be a big plus for getting a lot of current our of a little transformer
>which would increase bps.
Yes, it seems that when the NST's saturate, the shunts become
less effective (?), and permit more current to flow. There may be
a non-linear aspect to this also.
>I'll measure power this weekend when I run the bps testing. I'll check
>120V and 140V power draw for the 15/60 Franceformers.
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