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Overunity Machines Forum



Working Magnetic Overunity Device - Magnetic Neutralization

Started by luishan, July 23, 2010, 11:08:52 PM

Previous topic - Next topic

0 Members and 2 Guests are viewing this topic.

hartiberlin

Well, it is only about 26 %, cause the BACKEMF Power was not included.

As they did not show, if and how at all they extracted the BackEMF power from
the coil, I could not add this in the calculation.
But if the BACKEMF Power from the coil would be extracted witha few diodes and
charge up a capacitor and drive an additional electrical load, this power could get quite
big with the right commutator design.

Imagine using 300 Volts of input voltage and have a chopper circuit,
that applies 50 input current pulses 1 milliseconds long and the offtime would also
be 1 milliseconds, then we have about the same "input" cycle length of 100 milliseconds,
but only really 50 x 1  milliseconds would the input voltage be supplied.

This will increase dramatically the BACKEMF Power and could get the motor
into the OU range.

Regards, Stefan.
Stefan Hartmann, Moderator of the overunity.com forum

FatChance!!!

@ Hartmann

The idea of harvesting Back EMF energy is good but unfortunately this will not help.
Back EMF recovery only represent a fraction of the total energy spent when pulsing an electromagnet.
I have attached a drawing for a clearer view on the pulse properties of an electromagnet.

BTW, the Back EMF pulse always switch polarity, therefore the negative spike in the drawing.

hartiberlin

@FatChance

what you have shown is only the case in a static case.

Here in the motor we have the dynamic case, where the magnets are moving
and the inductance L changes, etc...

Also it only will work with mechanical switches which have
partial negative resistances and work as a battery during the sparks
as the dissimular metal points act together with the arc-plasma as a battery
and introduce external energy into the circuit.

It is the same principle as in a Newman motor.

You basically convert copper and graphite points mass into electric energy
this way which will charge up your batteries if you do it right with the right extraction circuit.
You need fast High Voltage diodes.

Regards, Stefan.
Stefan Hartmann, Moderator of the overunity.com forum

FatChance!!!

Quote from: hartiberlin on September 29, 2010, 09:34:41 AM
@FatChance
what you have shown is only the case in a static case.

No I'm not referring to a "static case".
What is shown represent repeated pulsing during a certain On-time period.
There is no difference between a static single pulse and repeated pulses except
the "Fully On" period can be infinite when static.
And furthermore, dynamic operation in the presence of a permanent magnetic field
(like a magnetic piston moving inside a coil) will consume even more power due to
the counter induced voltage in the coil from the magnet in motion.
This increases the necessary voltage needed to establish the same field, compared to
static mode, by several hundred percent or more, all depending on the speed involved.

Well, it seems I'm still right in this case. But I wish I was wrong and we could all finally
reach our long time overdue pursuit for overunity.


Groundloop

Hi,

Today I tested a double coil with a common Ferrite core inside.
At each side a put a Neo magnet as shown in the drawing. I then
used my 555 switch to drive one coil. The output from the diode bridge
was connected to the input battery(12V 7A). The system was under
unity when run at any frequency and duty cycle setting. At the best
frequency and duty cycle setting (found by adjusting pot meters), the
system ran with little power input but still was able to keep the ultra
bright led connected to the battery (1K series resistor) bright. The battery
was very depleted (6 volt).

Groundloop.