Rene/Meissner EMF Higher Voltage Charger Variant

[seychelles]

NOTHING MYSTERIOUS TO REPORT, BUT COPPER ENAMEL WIRE ARE
KNOWN NOT TO TERMINATE WELL. UNLESS YOU HAVE REMOVE AND
POLISH THE ENAMEL COATING OFF .THEN SOLDER TIN EACH ONE INDIVIDUALLY THEN SOLDERED
ALL TOGETHER..

[SkyWatcher123]

Hi seychelles, thanks for the helpful reply.
I did remove the enamel off each wire end, though i did not solder each one and then solder them all together, I just twisted them all together, then soldered.
Ok, i will desolder them and make sure each one is soldered, then solder them all together and then check ohms.
peace love light

[SkyWatcher123]

Hi all, just finished making sure each wire strand end was soldered well and then resoldered them all together and the total parallel resistance is still 1.1 ohms.
I also verified my meter is accurate by checking known resistor values.
Unless there is a short in the strands somewhere and when wired together in parallel, is causing this higher than normal ohm rating.
Still though, one would think that a short to another wire, would make it have even less ohm reading.
Otherwise, the coil has been working fine it seems, not sure what is going on.
peace love light

Edit: Ok, had the thought to check my meter, if i place the meter leads together, i can only read down to .9 ohms, so it is probably a meter limitation or issue.

[gyulasun]

....
Edit: Ok, had the thought to check my meter, if i place the meter leads together, i can only read down to .9 ohms, so it is probably a meter limitation or issue.

Hi SkyWatcher,

Yes, the meter leads often trick the unsuspecting user: the banana plugs should be pulled out and then plug in again a few times and also they need some rotation left and right a few times when they are plugged in. Not every day but say in a few months time if not moved for long.
Also, I often find if I do not press the tips together strongly enough, then the meter does not show total zero. In this case you need to substract this non-zero value from the measured value.  Sometimes the rotary range switch is which needs cleaning, to do this, you have to dismantle the meter and clean the contacting surfaces with non invasive spay.
Once I also found a banana socket that was normally soldered into the printed circuit board of the meter got loose during the years and it needed careful resoldering. 

Returning to your earlier post where your averaged result yielded the 108 % charging efficiency, I wonder whether you have some explanation for it since then? 
The procedure with which you arrived at this number sounds correct.  It is interesting that in this 'splititng the negative'  René circuit variant the Li type batteries seems to be more suited for the pulsing charge current than the lead acid types.  On more 'suited' I mean they have less internal impedance versus lead acid types hence less loss., if this is one of the explanations.

Question is whether the Li type batteries love pulse charging on the long run or their lifetime will be affected. I do not have info on this.

Do you think this circuit would still work with such high efficiency if the oscillator frequency would be low say in the range of 30 -70 Hz only? If yes, then the pulsing magnetic field of the oscillator coil core could be utilized in a pulse motor, by pushing rotor magnets in repel, maybe...  I am wondering of course.       

Anyway, thanks for all your efforts.
Gyula

[SkyWatcher123]

Hi gyulasun, thanks for the very helpful reply.
I didn't think of that, subtracting the shorted probe value.
So it was actually flipping a little between .8-.9 ohms with the probes pressed hard together, that makes it fairlly close to the predicted parallel ohms of .29 ohms.

I think the load test efficiency went over COP 1, yes because of the low loss, low internal resistance lithium ion cells.
And that is with 3 in series, which means more loss, if they were in parallel, or a series parallel arrangment, it would be higher efficiency.

I did not notice any short term issues with the pulse charging, not sure about long term.
This circuit switches itself, so not sure how this particular circuit would work with a pulse motor, timing wise.


peace love light