-Original Message-
From: Art Michael [SMTP:amich...@connix.com]
Sent: Friday, July 09, 1999 9:55 AM
To: emc-p...@ieee.org
Cc: Sparacino,George
Subject:Re: Inherently Limited power source..
Hello George,
An Inherently Limited power source is one in which
Hi George:
Could someone give me an explanation of what makes a power source
Inherently Limited..
Others have provided excellent responses to your question.
Perhaps I can embellish their answers.
A doorbell transformer is the prime example of an inherently
limited power source.
The
A good example would be a transformer. The current output can be limited by
the resistance of the winding as well as the mutual inductance between the
windings. Of course, increasing the resistance of the windings to limit the
output may cause temperature problems. But any competent transformer
Hello George,
An Inherently Limited power source is one in which the impedance of the
source, typically a transformers' primary or secondary, is such that the
available output is limited within the constraints of low energy as
defined by a standard. UL 1585, for example, describes the
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