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Author Topic: Akula0083 30 Watt Self Running Generator.  (Read 1061787 times)

Offline MileHigh

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #465 on: March 29, 2014, 05:12:08 PM »
Dave:

It's unfortunate that you don't even want to try.  The first thing you need to master in electronics is basic circuit analysis.

The two-liter bottles that you saw in the clip are capacitors.  They didn't state it to keep the clip simple.

A water coil is a hose formed into a coil.  Shocking huh?

Now you know what the water equivalents are for resistors, capacitors, and inductors, you can look at any simple circuit and imagine what would happen if you made it from hoses, resistors like you saw in the clip, open-top two-liter bottles, and coils of hose.  Do you have the mechanical aptitude to visualize the water flow rates and water pressures in a water circuit?  What is the equivalent of back-EMF or a forward EMF spike?  What's the water analogy for a Bedini motor when you disconnect the charging battery and the neon starts to glow?

Please don't laugh off what I am saying.  The water analogy is awesome for understanding and visualizing how circuits work.

I hope we change pages now and I will go back to the main topic.

MileHigh
« Last Edit: March 29, 2014, 10:50:29 PM by MileHigh »

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #465 on: March 29, 2014, 05:12:08 PM »

Offline MileHigh

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #466 on: March 29, 2014, 06:03:23 PM »
Wattsup:

I see you guys are posting up a storm about this on OUR.  BTW, the foil wrap around the transformer is just eye candy.  Itsu could confirm this by testing with and without the foil.  If the switching frequency is very high, then it may have some capacitive effects.  I am assuming that's not going to be the case.

I will comment on the annotated drawing.  I am assuming that the switching speed is high enough so C3 and C11 have very little ripple on their respective DC voltages.  Standard disclaimer, this would have to be verified on the bench and is subject to correction.

Case 1:  When the Stop switch is open-circuit.

When the MOSFET is on, the current flows through L1 and then through the MOSFET to ground.  This is the energizing phase for the magnetic core.  The LEDs may be lit from C3 still discharging from the previous cycle.  Note that in this case L2 has no effect on the circuit.

When the MOSFET switches off, the current flow follows the red path.  This is standard Bedini fare like I said before, with the addition of the big C3 decoupling cap to absorb the current spikes and convert them into the voltage that drives the LED array.  Not much exciting there.

Case 2:  When the Stop switch is a short circuit.

When the MOSFET switches on, L2 will output a DC EMF that is the duration of the on pulse.  The battery voltage plus the EMF generated by L2 (they add together) will then follow the blue DC discharge path on the schematic.  However, there is the 430 kohm resistor R2 in the path.  That's almost like an open circuit.  C4 will pass a tiny puff of AC current flow that will be absorbed by C3.  So there is a very tiny DC current flow and a little puff of AC current flow when the MOSFET first switches on.  The LED array will not light up, or it may be barely visibly lit.

Note that when the MOSFET is switched on the core of the transformer is still being energized and storing a significant amount of magnetic energy.

When the MOSFET switches off, this one might be an unpleasant surprise to some.  The current follows the green path.  There still may be some voltage in C3 that keeps the LEDs barely lit, but this has nothing to do with the green current path.

When you look at the green current path you notice that no energy at all is returned to C11.  All that happens is that the magnetic energy stored in the transformer core gets burned off in the wire resistance of L1 and L2, and the two diodes and the two resistors.  So when the MOSFET switches off, you get a "burn" and all of the energy stored in the transformer core gets turned into a puff of heat.

So to me, it looks like when the Stop switch is open-circuit the setup will be transferring battery power into the LED load and the LEDs will light up.  When the Stop switch is short-circuited the LEDs don't light or barely light and the circuit does nothing really except turn battery power into heat.

MileHigh

Offline MenofFather

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #467 on: March 29, 2014, 07:28:00 PM »
If here not fake. Author say, that core destroing after some time, after 3-5 days about, then need it reglue... So maybe he use frenquency, with that need put on self resonance on mechanical vibrations on ferite? And he also write, that wound need like in picture. And I, think, than shield of cuper not important. He also mention, that first thing, that ferrite destroy because shield make short turn, but, now he say seems, that ferrite destroing not of shortied shield resason, but it destroing by itself after some days.

 :)

Free Energy | searching for free energy and discussing free energy

Re: Akula0083 30 Watt Self Running Generator.
« Reply #467 on: March 29, 2014, 07:28:00 PM »
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Offline Grumage

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #468 on: March 29, 2014, 08:13:16 PM »
Dear All.

I have made the simulation URL smaller as requested, thanks MileHigh !! However when I open the file I can't see the correct simulation. Does anyone else have any luck ?

http://www.overunity.com/14378/akula0083-30-watt-self-running-generator/msg394925/#msg394925

Cheers Grum.

Offline MileHigh

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #469 on: March 29, 2014, 10:04:09 PM »
Grumage!

The simulation of your circuit runs!  I looked at it and I got it right in my analysis!  Woo!  Hoo!

MileHigh

Here it is again:  http://tinyurl.com/ojn5fu8

Very nice job on the simulation BTW.

If some people are having trouble it might be because Java is not installed or it's blocked.  On my computer I have to click through three or four approvals before I run a Java applet.  That's intentional because I love to hate Java and Flash.  Flash is enabled of course because the Internet is infested with it.

Free Energy | searching for free energy and discussing free energy

Re: Akula0083 30 Watt Self Running Generator.
« Reply #469 on: March 29, 2014, 10:04:09 PM »
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Offline verpies

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #470 on: March 29, 2014, 10:39:04 PM »
@Dave
It is true that you  did not state that the current through a deenergizing inductor reverses but you seem to have implied it.
The voltage (EMF) generated across such deenergizing inductor may appear too reverse if you measure it between two different points in a circuit (e.g. in the Boost Converter circuit).

All EEs and physiciscts understand it very well and there is no need for you to educate us on this part.  We are not sleeping as you have implied.

Also, the fact that a diode has two major ratings (max forward current and max reverse blocking voltage) does not mean that current can be separated from voltage as a concept.

As far as the nature electricity, it is fine to question it.  We do not have a proof that charged electrons are the sole carriers of electric current in solid conductors, although this is often assumed and taught in educational institutions. 
But, for engineering purposes it just does not matter.  The Ohm's law, Faraday's law of induction, etc... are heuristic, empirical laws that were bench proofed for centuries.  Electric circuits really behave according to them even if most of us don't know what goes on under the hood.

Offline verpies

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #471 on: March 29, 2014, 10:51:19 PM »
Case 1:  When the Stop switch is open-circuit.
When the MOSFET is on, the current flows through L1 and then through the MOSFET to ground.  This is the energizing phase for the magnetic core.  The LEDs may be lit from C3 still discharging from the previous cycle. 
Yes. These load LEDs can also be lit from the turn-on transient when the bootstrap power is first applied to the whole circuit.
L1, C3, R1 and R5 form a series LCR circuit that makes this possible. 
This is boring, of course.  I wrote it only for completeness.

When the MOSFET switches off, the current flow follows the red path.  This is standard Bedini fare like I said before, with the addition of the big C3 decoupling cap to absorb the current spikes and convert them into the voltage that drives the LED array. Not much exciting there.
Yes, it has a high yawn factor. With the L1 circuit alone, it works as a standard Boost Converter.

Case 2:  When the Stop switch is a short circuit.
When the MOSFET switches on, L2 will output a DC EMF that is the duration of the on pulse.  The battery voltage plus the EMF generated by L2 (they add together)
You can't be sure of that because the dot convention on that schematic cannot be trusted.

will then follow the blue DC discharge path on the schematic.  However, there is the 430 kohm resistor R2 in the path.  That's almost like an open circuit.  C4 will pass a tiny puff of AC current flow that will be absorbed by C3.  So there is a very tiny DC current flow and a little puff of AC current flow when the MOSFET first switches on.
Yes, if L2 is really connected so that the battery voltage plus the EMF generated by L2 add together.
It is interesting to consider the motives of the designer here.  Why did he think that R2 and C4 are needed at all?

When the MOSFET switches off, this one might be an unpleasant surprise to some.  The current follows the green path.  There still may be some voltage in C3 that keeps the LEDs barely lit, but this has nothing to do with the green current path.
When you look at the green current path you notice that no energy at all is returned to C11. 
The behavior of the circuit appears different if you look at this simulation with the L2 connection reversed.

There you can actually see the current  returned to C11 (a battery in the simulation).
The D2 - the2nd diode (the one associated with L2) starts conducting when the voltage across C3 + L2 exceeds the battery voltage.
In this scenario, the effect of D2 seems to be to limit the voltage of C3+L2's EMF to less than battery voltage.  Like an overvoltage non-dissipative clamp of sorts...

It is interesting to note, that the feedback take-off point (junction of R5 & R7) used by the TL494 PWM controller to shorten its output ON pulse width, matters only when its voltage level falls to 0V (or below ground) or when its voltage decrease rate (slew rate of the falling edge) exceeds -6.6V/ms to -18V/ms (see Itsu's experimental video here).

There are very few cases when this TL494 feedback path would be activated.  Why would the author design such rare feedback pulse width limiting condition anyway?

Perhaps that Akula circuit is pure nonsense ...or perhaps when some unconventional magical event happens in the transformer, a very strong pulse is created in L2.  So strong that the feedback point  (junction of R5 & R7)  is quickly taken below ground for a brief time and a huge pulse of energy is returned to the battery (C11) through D2.

I know that, such event is far out, ...but this forum is about keeping our mind open to such possibilities, isn't it?

Free Energy | searching for free energy and discussing free energy

Re: Akula0083 30 Watt Self Running Generator.
« Reply #471 on: March 29, 2014, 10:51:19 PM »
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Offline Magluvin

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #472 on: March 30, 2014, 12:14:00 AM »
In the sim shown, if you right click on the switch being fed by the timing signal, the ohms of the switch is set at 20ohms(default). 

Im not seeing the inductors/caps nor the switch that cuts off the battery source.  The missing inductors affect efficiency.

Ill see if I can mod the circuit to fit those things.

Mags

Offline verpies

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #473 on: March 30, 2014, 12:41:56 AM »
I'm not seeing the inductors/caps nor the switch that cuts off the battery source.  The missing inductors affect efficiency.
In the simulation, the battery on the left plays the role of C11.

The bootstrap battery, associated switch and C16 are not included for simplicity.

Free Energy | searching for free energy and discussing free energy

Re: Akula0083 30 Watt Self Running Generator.
« Reply #473 on: March 30, 2014, 12:41:56 AM »
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Dave45

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #474 on: March 30, 2014, 12:52:52 AM »
Here's a simulation you may find interesting
http://makeagif.com/oud1Sa


Offline verpies

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #475 on: March 30, 2014, 01:26:49 AM »
Here's a simulation you may find interesting
http://makeagif.com/oud1Sa
Nope. To me it's 40 year old news.

Free Energy | searching for free energy and discussing free energy

Re: Akula0083 30 Watt Self Running Generator.
« Reply #475 on: March 30, 2014, 01:26:49 AM »
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Dave45

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #476 on: March 30, 2014, 03:09:43 AM »
I wanted to show the directions through the diode, so I redid it, notice the bemf runs through the diode opposite the direction the current runs through, this would indicate the polarity of the collapsing magnetic field is pos.
http://makeagif.com/mqXzyk

Dave45

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #477 on: March 30, 2014, 03:55:36 AM »
Nope. To me it's 40 year old news.
Mr. Verpies you may understand this but not everyone on this forum has your expertise, it took me five years to understand this, no training only help from this and other forums.
I hope to save others time, Im here to help.
Im going to simulate Akula's 80w device as I see it, but Im sure you know how that works too.
But you never know even you may be surprised  ;D

later
dave

Dave45

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #478 on: March 30, 2014, 04:23:00 AM »
Sometimes I wonder why I even try, all I get is ridiculed and criticized.
This is not the simulation, working on it.
But is how the coils aid each other.
 

Dave45

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Re: Akula0083 30 Watt Self Running Generator.
« Reply #479 on: March 30, 2014, 05:03:38 AM »
See the double diodes, I didnt show it but the neg bemf from L2 feeds the neg rail through these diodes.

 

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