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Author Topic: Solid State Orbo System  (Read 450407 times)

Groundloop

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Re: Solid State Orbo System
« Reply #75 on: January 08, 2010, 11:51:18 PM »
Bruce,

I measured the two toroid coils in series to be 0,8 DC Ohm.
The generator coil to 1,2 DC Ohm. The trigger coil to be 1 DC Ohm.

I'm really looking forward to your replication. It will be fun to compare
results and share research.

Alex.

Groundloop

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Re: Solid State Orbo System
« Reply #76 on: January 08, 2010, 11:53:25 PM »
@Staffman,

>>The suspense is getting unbearable

Yes, I know how you feel. LOL

Alex.

Bruce_TPU

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Re: Solid State Orbo System
« Reply #77 on: January 09, 2010, 12:33:12 AM »
Hi Alex,

Could you please try a 100 ohm resistor in place of the bulb on the generator coil output and tell me what the voltage is across the resistor?

Also, a scope shot of the sine wave on the output across the resistor?

Inquiring minds want to know... LOL  :)

Thank you,

Bruce

Groundloop

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Re: Solid State Orbo System
« Reply #78 on: January 09, 2010, 01:17:56 AM »
Bruce,

Attached images shows volt and scope with 100 Ohm 1% Metalfilm resistor over
output coil. DVM set to 20 Volt AC range.

Scope set at: Time Base = 20uSec/Div
                    CH1 Probe to 10X
                    CH1 = 0,5 Volt/Div
                    Ground at center of screen.

Alex.

Bruce_TPU

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Re: Solid State Orbo System
« Reply #79 on: January 09, 2010, 02:53:15 AM »
Bruce,

Attached images shows volt and scope with 100 Ohm 1% Metalfilm resistor over
output coil. DVM set to 20 Volt AC range.

Scope set at: Time Base = 20uSec/Div
                    CH1 Probe to 10X
                    CH1 = 0,5 Volt/Div
                    Ground at center of screen.

Alex.

Thank you for the test.

But shoot, that is not good news at all...  :(  I was hoping it would have read 30 volts on it or so....

So, I calculate with 2.9 volts (real)
across a 100 ohm resistor gives us .029 amps
for a total of 0.0841 watts from one generator coil.

We would need to both drastically DECREASE the input required power and figure out a way to gain more wattage from the generator coil.

With eleven coils we will have .9251 watts.  I can't recall how much power your present circuit is using.

Any ideas any members have reading this to harvest more useable power from the Generator coil would be appreciated. 

One thought is to perhaps collect on the output with a capacitor (after diode) and then redo the 100 ohm test again.  I think this may work better for us...perhaps.. ;)

Cheers,

Bruce

Staffman

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Re: Solid State Orbo System
« Reply #80 on: January 09, 2010, 03:02:24 AM »
Maybe some large steel washers between the toroids and the generator coil. Just thinking that the added permeability would help, not sure how much tho. Could even use steel as the coil form instead of using ferrite.

Another thought is to use steel wire in the generator coil, but the resistance of the coil would suffer.

Bruce_TPU

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Re: Solid State Orbo System
« Reply #81 on: January 09, 2010, 06:30:39 AM »
Hi Alex,

In discussing this project with some others this evening via telephone, a suggestion was made to make a steel horseshoe and link the magnets to see if a clearer path for the flux, might allow for better performance on the coil generator.  This was also suggested, I think by Gyula some time ago.  It would be an easy experiment, just use some angle iron or the such.  It would be worth a try. 

Cheers,

Bruce

EDIT:
Also really worth trying, if you still have several toroids on both ends, change that to only ONE toroid per end and see how that does on the output generator coil. Thanks!

Groundloop

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Re: Solid State Orbo System
« Reply #82 on: January 09, 2010, 07:00:41 AM »
Bruce,

Yes it is a little disappointing but this test was with the resonant oscillator
running and the phase between the two toroids was horrible. We get better
result with a switch that has frequency and duty cycle control. My toroids
are not optimal either. Remember that this is the first system thrown
together just to see if the method works.

Also, 100 Ohm load is not the best load for the output coil because I have found
that this is a high voltage system, not an transformer. The output is like an RF
transmitter and the load must fit the impedance to get the correct output.

We have proved that the system works. We have proved that it is possible to
use several coils as output. And we have proved that a magnetic field can be
shielded and modulated. We have also proved that when using resonance then
the input will be greatly reduced.

So I still think it is important to build a proper and bigger system that are much
better designed and tuned and test that. This I will do.

Alex.

Bruce_TPU

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Re: Solid State Orbo System
« Reply #83 on: January 09, 2010, 07:51:36 AM »
Great, Alex.  I am right there with you.  Lot's of room to experiment and to make improvement.  I think it has merit.

As you said well, we have proved many things out already.  Now to optimize!  My toroids some day will arrive (lol..I hope tomorrow) and then it is winding time.

Cheers,

Bruce

gyulasun

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Re: Solid State Orbo System
« Reply #84 on: January 09, 2010, 01:03:10 PM »
Hi Gyula,

Yes, you understand what I was thinking...but, as you state, we need to match the load to the tank...any ideas of your own, while I ponder? 

Simply looking for a means to make the generator coil(s) as "efficient" as possible.  We want every single amp and volt!  LOL

Cheers,

Bruce

Hi Bruce,

Well, lumped circuit matching theory is at our service here, at least this is what I thought of.  It simply means you can get the highest output power if you conjugate match the generator coil to a load.
So in case of Alex gen coil, it has 1.2 Ohm DC resistance and an L self inductance with XL inductive reactance. This is best matched to say a incandescent lamp that has 1.2 Ohm resistance at a certain rated wattage AND you have to place a capacitor in series with the lamp to compensate for the gen coil's XL with an equal value of capacitive reactance,  XL=XC at the output frequency.  (In this simplest matching case, you create a series resonant circuit and you "ruin" the unloaded Q quality factor of the gen coil by "doubling" its copper resistance i.e. adding the same value resistance, 1.2 Ohm, the load, in series with it.)

Of course you can choose to use coupling coil(s) wound onto the same generator core, you can wind the gen coil with several taps to make matching variable to different loads (you may not have a correct wattage lamp with the needed ohmic value at hand etc etc). In these matching cases you place a capacitor in parallel with the gen coil to make it resonant at the output frequency and test which tap gives the best output power on a load (a lamp, a power resistor, etc) because there would be one tap only wrt any one coil ending, where you achieve the above requirement, all the other taps will give less output power.  Effectively in this parallel resonant case you have a resonant transformer, with taps or with coupling coil(s) to transform down the high value resonant voltage.

rgds, Gyula

lumen

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Re: Solid State Orbo System
« Reply #85 on: January 09, 2010, 05:33:22 PM »
Yes it is a little disappointing but this test was with the resonant oscillator
running and the phase between the two toroids was horrible. We get better
result with a switch that has frequency and duty cycle control. My toroids
are not optimal either. Remember that this is the first system thrown
together just to see if the method works.

We have also proved that when using resonance then
the input will be greatly reduced.

Alex.

Would the output coil need to be resonate at twice the frequency as the toroid control coils?
This would make more sense because when they resonate there is a positive side of the wave and a negative side. The only time they would be conducting the field from the magnets is when they are off and that would be at the zero crossing point of the wave.



Groundloop

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Re: Solid State Orbo System
« Reply #86 on: January 09, 2010, 05:44:25 PM »
@gyulasun,

Thank you for sharing information in this thread.
I agree that lumped circuit matching can be used in this case.

Alex.

Groundloop

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Re: Solid State Orbo System
« Reply #87 on: January 09, 2010, 06:11:10 PM »
@exnihiloest,

Thank you for commenting and sharing information.

Can you share the test you did regarding that magnetic saturation of a material
depends on the direction of the magnetic field? And maybe explain more about
your test?

If you look at the various motors then you can see all the different ways the
toroid core is positioned, horizontal standing, horizontal flat etc. And the
motors do run.

I will try to test this with a toroid core, a magnet and
a generator coil that can be positioned in any direction on the toroid.

Alex.

Groundloop

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Re: Solid State Orbo System
« Reply #88 on: January 09, 2010, 06:42:24 PM »
@lumen,

Thanks for sharing your thoughts.

I have not yet tried to measure the output coil frequency.
Right now I do not have a running system because of other
testing.

Alex.

synchro1

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Re: Solid State Orbo System
« Reply #89 on: January 09, 2010, 10:04:58 PM »
Hi A,

In discussing this project with some others this evening via telephone, a suggestion was made to make a steel horseshoe and link the magnets to see if a clearer path for the flux, might allow for better performance on the coil generator.  This was also suggested, I think by Gyula some time ago.  It would be an easy experiment, just use some angle iron or the such.  It would be worth a try. 

A simple large C clamp alone would be enough to gain from the horseshoe effect!