[simpits-tech] AC dimmers and transformers
Matt Bailey
dabigboy at cox.net
Mon Oct 27 18:26:10 PDT 2014
On Mon, 27 Oct 2014 06:22:03 -0700 (PDT)
geneb <geneb at deltasoft.com> wrote:
> On Mon, 27 Oct 2014, Matt Bailey wrote:
>
> > Question: What sort of dimmer device is typically used in old
> > business jets? Just a standard triac? I'm trying to figure out
> > exactly what is in my Sabreliner.
> >
> > Second question: how tolerant are typical aircraft AC transformers
> > and power regulators to variations in frequency? For instance, I
> > have 115v/400hz coming off my inverter, but it breaks down to 5v AC
> > for lighting (and 26v AC for other stuff). I'm wondering how
> > critical it is to maintain the 400hz frequency.
>
> Matt, typically variable transformers are used for dimming - at least
> that's what I've found. If you're going to use the original variable
> transformers, you'll need to feed them 400Hz.
>
> g.
>
>
Secondary question: what happens if I feed the transformers another
frequency? And if they are actually a triac, what would the wrong
frequency do? (It seems to me, in the case of a triac, they would
either just work, or they would get unstable, erratic voltages.)
--
Matt Bailey
Keeping It Real:
Sabreliner 60 Flight Simulator
Serial # 306-61 - N1JX
http://sabrelinersim.com
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