As a side note to the superimpose experiments yesterday, i noticed that my bifilar inductor got very hot, unable to touch.
So today i redid that test measuring the input and the temperature of the whole.


So again the Grenade is disconnected from the system and running into a FWBR into a capacitor (2x 0.47uF parallel)
The push pull frequency is set to the low frequency of 17KHz (the lower the frequency, the higher the temperature) by 2x 0.47uF capacitors parallel in series with the bifilar coil



I measure:

# the input to the 24V PSU powering the whole system with my wattmeter; 210W
# the DC voltage on the capacitors attached to the FWBR from the Grenade with my DC Multi meter; 550V
# the current through the ground lead with my clamp multi meter; 0A
# the voltage/signal across the current transformer (purple trace)
# the voltage across the Grenade (before the FWBR) (yellow trace); 550V pp
# the current through the bifilar coil next to the current transformer (green trace); ~50A pp (hard to be accurate as the current probe works out of its normal settings)
# the temperature of the bifilar coil; 93 °C after a few minutes.
# the temperature of the both MOSFETs; 22.7 °C 

So there is high current running in the "3t yoke coil - series capacitor (0.94uF) - bifilar inductor" heating up this coil rapidly
This high current is at the moment all accounted for by the high input (210W).

But somehow i think this is the key to the workings of this device, to combine this large amount of low frequency current with the high frequency high voltage from the Kacher in the grenade to power the bulbs with the aid of the ground.

Video here:   https://www.youtube.com/watch?v=DgyC6j8JTPc&feature=youtu.be


Regards Itsu

Hi Plaxius. Nice video demonstration. My only suggestion would be to use
two 12V batteries in series instead of the bench power supply, and try the
same again, measuring the current draw from the 24VDC battery with a DC ammeter.
I have found that when the meters are jumping around like that on a bench supply that it is
hard to know the actual power being drawn from the supply, and there can also
potentially be a ground loop effect from the earth grounded load back to the power supply
that can give possibly misleading results as well, in some cases. It looks interesting though.
All the best...

Quote from: Void on November 27, 2014, 06:09:19 PM
Hi Plaxius. Nice video demonstration. My only suggestion would be to use
two 12V batteries in series instead of the bench power supply, and try the
same again, measuring the current draw from the 24VDC battery with a DC ammeter.
I have found that when the meters are jumping around like that on a bench supply that it is
hard to know the actual power being drawn from the supply, and there can also
potentially be a ground loop effect from the earth grounded load back to the power supply
that can give possibly misleading results as well, in some cases. It looks interesting though.
All the best...

Thank Void !!!


Tomorrow'll buy a couple of batteries and try ...

Quote from: itsu on November 27, 2014, 06:05:30 PM
As a side note to the superimpose experiments yesterday, i noticed that my bifilar inductor got very hot, unable to touch.
So today i redid that test measuring the input and the temperature of the whole.


So again the Grenade is disconnected from the system and running into a FWBR into a capacitor (2x 0.47uF parallel)
The push pull frequency is set to the low frequency of 17KHz (the lower the frequency, the higher the temperature) by 2x 0.47uF capacitors parallel
in series with the bifilar coil



I measure:

# the input to the 24V PSU powering the whole system with my wattmeter; 210W
# the DC voltage on the capacitors attached to the FWBR from the Grenade with my DC Multi meter; 550V
# the current through the ground lead with my clamp multi meter; 0A
# the voltage/signal across the current transformer (purple trace)
# the voltage across the Grenade (before the FWBR) (yellow trace); 550V pp
# the current through the bifilar coil next to the current transformer (green trace); ~50A pp (hard to be accurate as the current probe works out of its normal settings)
# the temperature of the bifilar coil; 93 °C after a few minutes.
# the temperature of the both MOSFETs; 22.7 °C 

So there is high current running in the "3t yoke coil - series capacitor (0.94uF) - bifilar inductor" heating up this coil rapidly
This high current is at the moment all accounted for by the high input (210W).

But somehow i think this is the key to the workings of this device, to combine this large amount of low frequency current with the high frequency high voltage
from the Kacher in the grenade to power the bulbs with the aid of the ground.

Video here:   https://www.youtube.com/watch?v=DgyC6j8JTPc&feature=youtu.be


Regards Itsu

hi itsu,

Nice video.

Energy efficiency drops through heat generation isn't a very good thing at all in engineering.
After watching your video i started to ponder for a moment and merely wanted to suggest something for you to isolate this heating/lost problem.

If you try disconnecting the 2 wire from the "multilayer\kapanadze coil" from the system would you likely have this same "heating issue".
The primary objective is merely to isolate the root cause of the unwanted heating problem.           

--------------------------------------
If the above suggestion is workable to solve heating problem it would means the output from multilayer\kapanadze coil isn't right base on design provided which would need to be worked on.

------------------------------------
Power transfer is funny thing ,if it doesn't get fully utilized at output it merely transform into heat as well.

-------------------------------------

Time to work on my pcb designing on my sub-harmonics generator.It's merely half done as attached.Using L/C filter at 4017 clk input to accept radiated frequency from kacher 1.3xMhz...1.7xMhz.No more
unwanted interference from low frequency.

Quote from: itsu on November 27, 2014, 06:05:30 PM
As a side note to the superimpose experiments yesterday, i noticed that my bifilar inductor got very hot, unable to touch.

Hi Itsu! I hadn't realized that you reach so high levels of temp. like that! I wonder what will happen when you connect a load on this. Normally it will relief your system. 90 plus degrees is really very high. My inductor is also gets warm but not close to what you demonstrate. Adams (from Adams motor), used to say that OU is closely related to high temperatures outputs, as heat is one form of OU manifestations.  Keep good work and thanks for your video.