Author Topic: Upper and lower pole working  (Read 120 times)

Offline pentode

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Upper and lower pole working
« on: March 04, 2019, 08:24:45 AM »
Sorry to be dumb, but could someone please explain the difference between
these two methods of working?
Thanks.
"You are what was in your mother's genes
and what was in your father's jeans."

Offline Uspring

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Re: Upper and lower pole working
« Reply #1 on: March 04, 2019, 02:35:45 PM »
When you have 2 tanks, like in a DRSSTC, the system will have 2 resonance frequencies. If the tanks are uncoupled, they will just be the primary and secondary resonances. When they are coupled, the system will also have 2 resonance frequencies, but they will be shifted away from the original resonances. These 2 new frequencies usually are called poles. The lower pole lies below the two original frequencies and the upper pole above them. Here's a bit about how they affect the performance of a TC:

https://highvoltageforum.net/index.php?topic=78.msg624#msg624

Offline pentode

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Re: Upper and lower pole working
« Reply #2 on: March 04, 2019, 02:55:34 PM »
Thanks Uspring.  That's got me a little further up
my learning curve.   :)
"You are what was in your mother's genes
and what was in your father's jeans."

Offline Teravolt

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Re: Upper and lower pole working
« Reply #3 on: March 04, 2019, 04:28:53 PM »
look up resonant transformer frequency splitting. depending on your coupling the amount of frequency splitting will be more or less greater. if you have accsess to a signal generator with or with out sweep capabilities and a o-scope you can see this first hand.

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Re: Upper and lower pole working
« Reply #3 on: March 04, 2019, 04:28:53 PM »

 


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