Re: How to identify an isolation transformer?
- From: Whippersnapper <User@xxxxxxxxxxxx>
- Date: Tue, 29 Jul 2008 17:08:07 GMT
James Sweet <jamessweet1@xxxxxxxxxxxxx> wrote in news:H4fik.554$_l.165
@trnddc04:
Ummm...that's not entirely correct.
All transformers, by their very nature, isolate input from output (2
coils of wire coupled by magnetic flux).
No, they don't. That's not only incorrect, but a dangerous assumption.
Autotransformers are transformers by name and definition, but they do
not isolate. They consist of one single winding which is tapped to allow
it to step up or down, the cost and losses are lower, but they do not
provide any isolation.
Granted, autotransformers (aka Variac) are a special exception. However,
for the purposes of someone who is asking about identifying an isolation
transformer in an arcade machine, transformers isolate input from output
due to the principle on which they work.
.
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