Jim Brown wrote:
> On Tue, 13 May 2008 07:45:00 +0300, Alex wrote:
>
>
>> Noooooo!
>>
>
> I strongly agree that connecting these transformers in series is a
> bad idea. The INPUT voltage WILL divide between them, but there is
> no satisfactory neutral, and no satisfactory way to create a
> neutral, because they are AUTOTRANSFORMERS.
>
You're right. I didn't catch the "autotransformer part. Auto
transformers should not be connected in series.
Roger (K8RI)
> Autotransformers ARE safe devices -- IF used properly. Proper means
> the entire winding connected between "hot" and "neutral," the load
> connected between the tap and neutral, and the green (safety ground)
> carried from source to load and connected to the transformer frame.
>
> The first question though is, "What are you trying to accomplish in
> the first place?" That is, what voltage do you need, and at what
> current?
>
> 73,
>
> Jim Brown K9YC
>
>
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