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Re: why TC Different from others?



Original poster: "Dr.Resonance by way of Terry Fritz <twftesla-at-qwest-dot-net>" <resonance-at-jvlnet-dot-com>


Most power transformers contain an iron core and are designed to operate at
"power frequencies", ie, 50 or 60 Hertz.

While Nikola Tesla was experimenting with high frequency alternators he
discovered that at high frequencies, ie, above 10,000 Hertz, iron cores are
not necessary.  The electric currents begin to take on "wave-like"
properties and can propagate from the primary coil into the secondary coil
without an iron core.  In fact, they work best without an iron core.

By using a proper turns ratio and allowing the circuits to "resonate" at
high frequencies large potentials are developed.  These high frequency
transformers were named in honor of their inventor, "Tesla coils", also
known as resonance transformers.

Dr. Resonance

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, December 20, 2002 10:36 PM
Subject: why TC Different from others?


 > Original poster: "J Dow by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<jdowphotography-at-hotmail-dot-com>
 >
 > To all
 >
 > I am an average guy that got into coiling. I'm fairly intelligent and a
 > quick learner so coiling wasn't all that hard to pick up once I started. I
 > was never educated in electronics. So please forgive this question.
 >
 > A TC primary and secondary form a transformer. The TC transformer produces
 > RF when it operates. 1. Why don't other transformers with similar winding
 > ratios produce RF?
 >
 > The TC transformer is part of a "Tank" circuit. The Capacitor the primary
 > and secondary "Ring" or oscillate when the capacitor discharges. As I
 > understand it, the Pri, Sec and Cap oscillate at (RF) very high frequency.
 > 2. Why doesn't a NST or other transformer Ring at RF when it is part of a
 > tank circuit?   Or perhaps it does. 3. Why do we get 60hz when it rings at
 > higher frequency?
 >
 > Basically I want to know why a TC seems to work differently than other
 > transformers.
 >
 > Thanks for your thoughts
 > Read you later
 > Josh
 >
 >