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• In setting up the third reactance to show the effects of three spiral reactances in mutual inductance a mistake was made. I forgot to reverse the winding
Message 1 of 1 , Feb 6, 2004
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In setting up the third reactance to show the effects of three
spiral reactances in mutual inductance a mistake was made. I forgot
to reverse the winding direction of the last spiral. Normally for
the single layer bifilar construction, where all the currents in the
phase contribute to the same magnetic field direction, because the
second set of spirals are backwards with respect to the first, the
current directions through the opposite wound spiral must also be
reversed. If we were to assemble the connections for that scenario,
without having reversed the second spiral direction, we are in fact
causing a magnetic opposition within the phase itself, which causes
that phase to loose a significant amount of impedance, thus it will
draw more current then a phase constructed for magnetic unity.

Magnetic Opposition Within Phase 3/ Wiring Arrangement
http://groups.yahoo.com/group/teslafy/files/SP/Dsc00520.jpg

This is a jpeg showing the wiring arrangement for that scenario. Both
sets of spirals are in a clockwise direction. Black clips are the
enter and exit points, on the outer connections of the bottom and top
layers. The inner endings of the middle layers are connected. A red
wire is connected from the inner connection of layer 1 to the outer
connection of layer 2, for the first identical winding reroute. The
next connections between layer 2 & 3 do not use a wire, the inner
connections of both cable sets are twisted together. The last return
wire connection uses a white wire to connect the outer wind of layer
3 to the inner wind of layer 4. The circuit finishes with a black
wire outer connection on layer 4. Layers 1 and 2 make an opposite
magnetic field then that caused on layers 3 & 4. It is an internal
magnetic compression within the phase itself, which decreases that
phases impedance.

Now let us see the results of driving all three phases. Phase 1 and
2 are made in order, where it has been previously shown that this
converts the 120 degree phasings into 180, and then stator line M
contains ~ the sum of the currents of phases 1 & 2. If everything
were in order we would then connect the bottom black wire connection
of phase 3, to the ending stator line connection of phase 2, which
would be the junction at stator line 3. Since phase 3 is in of
itself a magnetic compression, we shouldnt think that its enter and
exit points would matter, but it does. So to better show the effect
here of paradoxical stator line delivery currents those enter and
exit points are reversed, as that configuration both reduces its
stator line current input, and also increases the amperage on the
phase itself. Thus the junction made at stator line 3, connected to
the ending of phase 2, is instead connected to the top connection of
the magnetic compression. The finish of the 3 phase circle is made
with the bottom connection of phase 3 being in common with the
beginning of phase 1, whic is connected to stator line 1.

180 phased magnetic opposition between phases 1 and 2; Phase 3
internal magnetic opposition with reversed ordered connections.
http://groups.yahoo.com/group/teslafy/files/SP/Dsc00524.jpg

This jpeg was made with an unenergized field, (parametric), and the
stator voltage meter was placed on phase 3. The low impedance of that
phase caused the observed open stator voltage ~ 2 volts to drop to
about half of that open circuit value at .965 volts. The voltage
measurements of the other phases that are not loaded down to this
degree showed them them to be slightly higher @ 1.02 volts. Formerly
it was thought that a 3 phase stator voltage would be identical for
all 3 phases, so this is some new information, that may have caused
some small errors in previous measurements. In order to make a
precise impedance measurement for a phase, it will become necessary
to also make sure the voltage meter is also on that phase. This may
have been the cause for differing impedances to be measured on the
same spiral set, depending on whether we are drawing on one or two
phases. This will be reinvestigated. But here the important
information shows that each stator line is containing the sum of the
phases it serves, or actually at one junction, it contains less then
reactances, we might conclude that it shows three 180 degree phase
angles, which of course is an impossibility. Stator lines 1 and 3,
respectively containing .74A and .83A, then allows a current of .76
A between them on phase 3. We conclude that phase 3 must be taking
the majority of the current from those stator lines. But the paradox
then becomes the amounts of currents given to phases 1 and 2, which
hold .34A and .30 A respectively. How did stator lines 1 and 3
contribute to those currents, if the majority of that available
current was consumed by phase 3? We find that stator line M,
containing .65 A, contains slightly over the sum of phases 1 and 2
@ .64A, so then we suppose that phases 1 and 2 are 180 out of phase,
which was shown also when they were the only outputs taken. Therefore
the addition of phase three did not change that phasing arrangement.
It would seem that more current is being derived on the phases, then
what the supply stator lines should allow for. It may simply also be
a case that occurs in inbalanced deliveries on 3 phase, and an
inadequate knowledge of how phase angles are procurred. I would have
to think that very little phase angle differences exist in timings
for these three phases, where timing wise a 180 phased current is
identical to a unity phased one. This is just another piece of the
puzzle submitted for consideration. Whether this particular aspect
has any significance is not known. Recall that with a unity phase