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## Solid States Devices => Tesla Technologgy => Topic started by: Magnethos on November 28, 2018, 08:17:41 PM

Title: The Single-Coil Tesla Coil idea
Post by: Magnethos on November 28, 2018, 08:17:41 PM
Hi guys, in the following days I am going to experiment with a single coil Tesla coil idea I had some time ago.
As we know, an ordinary Tesla coil produces high voltage and a high frequency oscillations. In an ordinary schematic, we need the primary coil and a secondary (output) coil.

Well, after reading some information on the net, I came with an interesting and I think possible, idea: the Wattless Single-Coil Tesla coil.

The idea is to feed directly the secondary Tesla coil using high voltage, high frequency energy using single wire coming from a HV-HF transformer.

Here we have a visual representation of the differences between ordinary and single-coil, Tesla coil: [size=78%]http://imagizer.imageshack.com/img924/8918/FJiqxE.png (http://imagizer.imageshack.com/img924/8918/FJiqxE.png)[/size]

So, if we use a signal generator and we feed a step-up high voltage transformer with high frequency sine wave energy, then we will have high voltage and high frequency in the output of the transformer. As we know, we can use only one wire from that output, in a similar fashion as in an ignition coil [size=78%]http://imagizer.imageshack.com/img922/1760/oIPguQ.png (http://imagizer.imageshack.com/img922/1760/oIPguQ.png)[/size]

If only one wire is used, we don't close the circuit so the transformer will act as a transformer with no connected load. So, in theory, there would be only reactive power in the input of the transformer and displacement current in the output of the transformer. Placing a secondary (in this case is primary) Tesla coil in the output of the transformer, will serve as an antenna to move the free electrons in the air.

Then, some different circuits can be used to extract useful energy from the energy that the antenna generates without, in theory, affecting the power factor of the input of the transformer.
Title: Re: The Single-Coil Tesla Coil idea
Post by: F6FLT on November 29, 2018, 11:09:48 AM
The advantage of a Tesla coil is to raise a voltage by resonance, i. e. a process that initially takes the energy of the source step by step, sums it and stores it in a form oscillating between the current/magnetic field of the coil and the voltage/electric field of the capacitor. Then the system is maintained by the energy supply from the source, which compensates for the losses.
If you produce a high voltage in another way, you no longer need a Tesla coil or you complicate a simpler solution.

The "one wire" transmission is an illusion. The circuit is always closed by capacitive coupling and the current flowing in the "one wire" still obeys the same laws as an ordinary current. Energy is consumed at the source when you feed a load at the end of a single wire, I checked this myself even if it was obvious.

Displacement currents have nothing to do with electrons in the air, which is an ionized path. A displacement current also occurs in a vacuum.

If you really want a single Tesla coil, simply feed it to an intermediate point in the winding, such as an autotransformer, not far from the cold point, preferably with that part of the coil wound with a thicker wire because more current flows there.

If there was more energy in a Tesla coil than we put into it in any way, it would have been noticed long ago.
Sorry for that, but I'm afraid that your idea is not "wattless" but "wattwith" as all other so-called "ideas" about Tesla coils, perpetually recycled about the manner but not in substance.
Title: Re: The Single-Coil Tesla Coil idea
Post by: doktorsvet on November 30, 2018, 07:41:28 AM
get with tesla
Title: Re: The Single-Coil Tesla Coil idea
Post by: onepower on November 30, 2018, 08:12:52 AM
F6FLT
Quote
If there was more energy in a Tesla coil than we put into it in any way, it would have been noticed long ago.
Sorry for that, but I'm afraid that your idea is not "wattless" but "wattwith" as all other so-called "ideas" about Tesla coils, perpetually recycled about the manner but not in substance.

Technically this is not entirely true, we could ground one end of the Tesla coil then attach a parallel capacitor and a series rectifier to the capacitor and it would receive radio signals just like a crystal radio. Now if the primary was tuned to a nearby radio station and the output was regenerative then it could put out more energy that put in if the efficiency was high enough. It's never what we know that hinders us it's what we couldn't have imagined.

Real science is not some blind dogma or cult and we are collectively learning millions of new things each and every day. Now if everything is known or it should have been noticed long ago then why... are we still learning so many new things?. It would seem to be a contradiction and defy all logic and reason.

The fact is there will always be intelligent people who will question everything and they will always be learning new things. It's the people who stopped questioning everything and stopped learning we need to be wary of because they have no future and choose to live in the past.
Title: Re: The Single-Coil Tesla Coil idea
Post by: F6FLT on November 30, 2018, 09:53:09 AM
It doesn't make any sense. The energy we receive from a radio transmitter is part of the energy that feeds the transmitter and is then radiated. If there was no receiver for the radiated waves, the wave energy is lost as well as the energy that supplies the transmitter.
If your receiver is near the transmitter antenna, i. e. in an area called the "near field" (at a distance of the order of wavelength), then there is a coupling between the transmitter and receiver, regardless of the type of coupling, an LC circuit or any type of antenna. This means that the transmitter "feels" the receiver as an energy source at the primary of a transformer "feels" the secondary when a current is drawn from the secondary.
If you put two receivers close to the transmitter, they influence each other and share the transmitter energy, each receiving half the power when only one can recover near all the power of the transmitter if the coupling is well designed.
Thousands of radio operators since the beginning of the 20th century have experimented in this field, I am one of them, and also professionals. If we could extract energy from such childish ideas, free energy would be a common product of the electronics industry for decades!
Title: Re: The Single-Coil Tesla Coil idea
Post by: forest on November 30, 2018, 08:30:46 PM
You said "radio transmitter" but that is a concept only. It's like saying you cannot cut wood using light and you point to  flashlight
Title: Re: The Single-Coil Tesla Coil idea
Post by: F6FLT on December 04, 2018, 10:03:45 AM
A "radio transmitter" would be only a "concept"?! Are you a mid-19th century man who has not yet listened to radio stations and posts his messages through a space-time rift?  ::)
A radio transmitter is only a high frequency AC generator whose amplitude, frequency or phase can be modulated. I have built several of them during my life, the first one when I was 13. No magic.

Quote
It's like saying you cannot cut wood using light and you point to  flashlight
Certainly not. You don't raise any objection in technical terms but in childish comparison, obviously there is a terrible gap between what I say and what you understand from what I say. When I face people that know more than me in a domain, I try to learn from them, and ask questions. However, I recognize the right of everyone to remain ignorant and to indulge in his wishful thinking.

Title: Re: The Single-Coil Tesla Coil idea
Post by: forest on December 04, 2018, 11:57:58 AM
well then you never knew about laser which is light and can cut the wood...
Title: Re: The Single-Coil Tesla Coil idea
Post by: doktorsvet on December 04, 2018, 06:08:19 PM

probably you mean the creation of a large field at low cost?

It really managed to make some from the forum ...
Title: Re: The Single-Coil Tesla Coil idea
Post by: F6FLT on December 05, 2018, 01:28:51 PM
well then you never knew about laser which is light and can cut the wood...
non sequitur (https://examples.yourdictionary.com/non-sequitur-examples.html)
Title: Re: The Single-Coil Tesla Coil idea
Post by: tysb3 on December 10, 2018, 04:15:50 AM