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Author Topic: Reactive Current - Parallel RCL  (Read 77870 times)

Offline alan

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Re: Reactive Current - Parallel RCL
« Reply #345 on: June 08, 2022, 03:09:01 PM »
Reactive power is regular V*I but through a reactive element, it is stored and released back instead of (c)ohmically dissipated. 
vector sum (incorporating phase) of all currents are equal to input current.


Offline nix85

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Re: Reactive Current - Parallel RCL
« Reply #347 on: June 08, 2022, 04:00:00 PM »
We all know reactive power is "borrowed" and returned, not wasted
except for the copper losses - why power companies dislike it.

Power factor = true power / apparent power

Apparent power is RMS voltage x RMS current

Reactive power = sqrt(apparent²-real²)

As for vector sum currents being equal you clearly refer to active current
only since reactive currents in LC cancel out, so what, that is what i meant
by input current only compensates for copper losses.

That is all perfectly understood. What matters is to take that built up
reactive power, that reactive magnetic field, and do real work with it
without affecting the input significantly.

Offline alan

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Re: Reactive Current - Parallel RCL
« Reply #348 on: June 08, 2022, 05:56:06 PM »
Thanks for suggesting this channel. This is what I meant: 
https://www.youtube.com/watch?v=zv9Z-rP4q5c
(Is < Ir+Ic+Il)

Pix: Interesting papers

Offline pix

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Re: Reactive Current - Parallel RCL
« Reply #349 on: June 08, 2022, 06:01:55 PM »
Thanks for suggesting this channel. This is what I meant: 
https://www.youtube.com/watch?v=zv9Z-rP4q5c
(Is < Ir+Ic+Il)

Pix: Interesting papers
Very interesting.
Old Tesla.


Cheers,
Pix

Offline alan

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Re: Reactive Current - Parallel RCL
« Reply #350 on: June 08, 2022, 06:06:28 PM »
Very interesting.
Old Tesla.


Cheers,
Pix
Nice,2nd pdf is too similar to EMjunkie's partnered output coil proof-of-concept experiment.

Offline pix

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Re: Reactive Current - Parallel RCL
« Reply #351 on: June 08, 2022, 06:09:47 PM »
Nice,2nd pdf is too similar to EMjunkie's partnered output coil proof-of-concept experiment.
Most imprtant is 1/4 wave electrical distance from the source to the load.

Offline nix85

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Re: Reactive Current - Parallel RCL
« Reply #352 on: June 08, 2022, 06:30:06 PM »
Welcome. I i knew from the first moment you mentioned vector sum you are
referring to phase angles, but why even waste time on such well assumed basics.

Ofc capacitive current leads voltage by 90° and inductive current lags voltage by 90°, clearly, from outside perspective they cancel out and only ohmic loss current remains. I been saying this for years here and it's been known forever.

I addressed this detail already when i said how loading the resonant tank destroys resonance and brings voltage and current in phase.

Video you linked is ideal parallel RLC which is the exact opposite of real parallel RLC
Q factor wise. In ideal parallel RLC resistor is not in series with an inductor (as in real RLC) but in parallel, thus Q factor is proportional to resistance while in real parallel RLC Q is inversely proportional to resistance, just like for series RLC.

What matters is that, contrary to conventional "wisdom", one can build up reactive power in parallel RLC and this reactive power if done correctly can become a sink
for ambient.


As for 1/4 wavelength, that is all nice and sweet but ultimatelly we see it's totally not needed. Most of OU devices work at lower frequencies, few dozen KHz max, 1/4 for that would be many km/miles, For example for 50Hz it is 1,500 km, so we see it does not matter at all.

Offline nix85

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Re: Reactive Current - Parallel RCL
« Reply #353 on: June 08, 2022, 08:18:42 PM »
Here is another example what's possible with resonant trans....

He is drawing about 17W from the wall and powers few hundred watt
worth of lamps almost completely from earth.

https://www.youtube.com/watch?v=tDIDD8Kmmwk

Already tiny amp draw from the wall goes even lower when he turns on the lights.


Offline pix

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Re: Reactive Current - Parallel RCL
« Reply #354 on: June 08, 2022, 08:30:14 PM »
As for 1/4 wavelength, that is all nice and sweet but ultimatelly we see it's totally not needed. Most of OU devices work at lower frequencies, few dozen KHz max, 1/4 for that would be many km/miles, For example for 50Hz it is 1,500 km, so we see it does not matter at all.


Tesla coil works in kHZ range. It is a slow wave structure. Any loaded helical transmission line have velocity inhibiting properties. You get 1/4 wavelength with reasonable size.


Cheers,
Pix

Offline nix85

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Re: Reactive Current - Parallel RCL
« Reply #355 on: June 08, 2022, 08:42:25 PM »
I know Tesla coils usually work in hundredish KHz range so 1/4 is easily obtainable.

Also it's not that just helical transmission lines have "velocity inhibiting properties"

velocity factor applies to all conductors and speed of light may fall down to 0.6c.

Point is it is 1/4 is not needed to get OU, AT-ALL and one may waste time and money
chasing the wrong rabbit.

Tesla used frequencies around 100KHz, Gennady Ignatyev who made a
life size replica of Wardenclyffe Tower used 180KHz (Hans Coler ferromagnetic
freq.) and said Tesla used that freq...

But again, how many resonant trasnformers one needs to see drawing kilowatts
from earth at 50Hz to realize one does not need dozens or hundreds of KHz for
big gains. It is not as black n white as Don put it voltage x frequency. If it was
so gains at 50Hz would be nothing, but they are not, they are huge.

This cold electricity we're after is at very high frequency but clearly, it can be
drawn even with very low freq.

Offline pix

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Re: Reactive Current - Parallel RCL
« Reply #356 on: June 08, 2022, 08:42:32 PM »
Here is another example what's possible with resonant trans....

He is drawing about 17W from the wall and powers few hundred watt
worth of lamps almost completely from earth.

https://www.youtube.com/watch?v=tDIDD8Kmmwk

Already tiny amp draw from the wall goes even lower when he turns on the lights.
Of course. Resonance is a key. Reminds me  Stepanov resonant transformer.


Offline nix85

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Re: Reactive Current - Parallel RCL
« Reply #357 on: June 08, 2022, 08:43:56 PM »
Of course. Resonance is a key. Reminds me  Stepanov resonant transformer.

Indeed it is.

And yea, i read about Stepanov back in the day, his res. trans., and his disproving of
Einstein. He "suicided", as many who succeeded.

Offline nix85

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Re: Reactive Current - Parallel RCL
« Reply #358 on: June 09, 2022, 04:02:12 AM »
Little correction, while i knew about Stepanov resonant transformer
and seen his videos on youtube, the detail about disproving Einstein and suicide
refers to another guy, Dr. Stefan Marinov.

Offline pix

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Re: Reactive Current - Parallel RCL
« Reply #359 on: June 09, 2022, 10:49:59 AM »
Little correction, while i knew about Stepanov resonant transformer
and seen his videos on youtube, the detail about disproving Einstein and suicide
refers to another guy, Dr. Stefan Marinov.
Stepanov et cohortes:
Our Team - Global STH Technology (sth-technology.ru)


Looks loke reactive power correction-type. On the picttures you see big inductances, a lot of capacitors, diodes. They said needs to be powered from balanced 3 phase supply or 3 phase DC/AC converter.