Dia. Mag. Alternator

[z.monkey]

JB Weld, takes me back to my hotrod days...

Well, unfortunately Ferromag fluid isn't gonna help this design.

The configuration of the coils relative to the magnets makes for a low efficiency design (like 5%, maybe).  I could also look at it as low drag, which is what I need for experimenting with the UABMM.  There are two axioms when working with induction; (1) the field only induces current in the wire when the field is moving, and (2) when the poles of the field are pointed at the wire.  Side currents are irrelevant.  So this design is more like a pulse generator than an alternator.

I probably read those axioms a hundred times, and still didn't get it until I was debugging my DiaMag6 design...

I tried to get a scope shot of the output.  My work area is very noisy, and I haven't been able to filter out the 60 Hz, so this shot is riding on a 60 Hz wave.  The first shot is just the 60 Hz.  Then the other shot is DiaMag6 running on the wave...

Also, moving forward, I need to get way more efficient, and easier to manufacture...

The 3 magnet design is out, going back to one magnet.

Gears are out, too expensive, too much drag, simply inefficient.

The hybrid design moderately worked, made a pulse generator, need more study there, with the UABMM...

DiaMag7 will be a single diametrically magnetized Neo-Mag, and polyphase coils instead of the side solenoids.

[z.monkey]

Are you planning on using the mags in the UABMM for the field force?

The UABMM provides the rotation, the DiaMag6 converts the rotation into electrical current.

[z.monkey]

The smallest circle in the middle is the axle.  The next circle out is the bearing.  The next circle out is the outside diameter of the magnet (1.5 inch diameter).  Then the slots hold the windings.  This is where DiaMag7 is different from the other DiaMag Alternators.  The windings will be on opposite sides of the magnet and not offset to the side.  Its 2 poles (one magnet), and what we would normally call a stator in an alternator is a solid Neo-Mag thick ring magnet in this case.

[z.monkey]

We could spin the alternator with wind, or water, or a gas motor, or bicycle cranks, but I thought a magnet motor would be a lot more challenging and fun.  Mainly to see if I can get it to work, but also it may widen our alternatives in electric production.  I've got better tools now, so DiaMag7 will be easier to build than DiaMag6.  Building DiaMag6 was an abysmal process, it took months...

[z.monkey]

So this is a pretty complex wave form...

It seems the current generation has some contention in there.  I think I know why.  The coils respond to the poles.  As the poles pass the coil there is pulse of current generated.  The magnets are synchronized with the gears (perhaps not very precisely), and there is a N pole and a P pole passing on opposite sides of the coil.  This would cause the current to be pulled quickly one direction, and then the other, causing a voltage spike positive, and then negative.  There are 2 vertical coil segments that are affected by the magnets, so we should get 4 pulses per revolution, two pulses per pole passing, and two poles passing.  Then also the other coil is tied to the center tap, so there are the compliment pulses on the opposite polarity, perhaps not quite synchronous.  So the output is a sloppy, almost square wave, with a lot of neutral time.

I can probably make this a lot less complex by removing the gears, and the outer magnets, and try and get another scope shot with only one magnet spinning...

That wave form makes me say WTF?