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Overunity Machines Forum



Bob Boyce TPU thread

Started by hartiberlin, July 26, 2007, 12:03:41 PM

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eldarion

#185
October 11, 2007, 04:34:08 PM
Hi Grumpy,

Tried that with no success. :(

Also, every time I try to place a resistor in series with the HV DC lead (my "solution" to the issue which doesn't work), the resistor ends up getting hot and the load power drops.  I will have to think about this one some more...

Eldarion
"The harder the conflict, the more glorious the triumph. What we obtain too cheaply, we esteem too lightly; it is dearness only that gives everything its value."
-- Thomas Paine

Grumpy

#186
October 11, 2007, 05:52:46 PM
elaborate on "no success".

There is no current flowing from the "potential" connection to heat a resistor.  (?)
It is the men of insight and the men of unobstructed vision of every generation who are able to lead us through the quagmire of a in-a-rut thinking. It is the men of imagination who are able to see relationships which escape the casual observer. It remains for the men of intuition to seek answers while others avoid even the question.
                                                                                                                                    -Frank Edwards

Earl

#187
October 11, 2007, 06:50:15 PM
Eldarion,

Are both sides of the 120 VAC floating?  Are they coming from the secondary of an isolation transformer?
If coming from a wall socket, I can imagine problems.

As I understand it, the HV DC has no current, so any series safety resistor should stay cold.

Earl
"It is through science that we prove, but through intuition that we discover." - H. Poincare

"Most of all, start every day asking yourself what you will do today to make the world a better place to live in."  Mark Snoswell

"As we look ahead, we have an expression in Shell, which we like to use, and that is just as the Stone Age did not end for the lack of rocks, the oil and gas age will not end for the lack oil and gas, but rather technology will move us forward." John Hofmeister, president Shell Oil Company

eldarion

#188
October 11, 2007, 10:42:41 PM
Quote from: Earl on October 11, 2007, 06:50:15 PM
Eldarion,

Are both sides of the 120 VAC floating?  Are they coming from the secondary of an isolation transformer?
If coming from a wall socket, I can imagine problems.

As I understand it, the HV DC has no current, so any series safety resistor should stay cold.

Earl

Hi Earl, Grumpy,

I decided to run a test by removing the filter capacitor completely, as shown in the attached diagram.  I also connected the negative wire of the HV supply to the secondary coil; I did this because the negative wire should have more free electrons than the positive wire.  Removing the capacitor should remove the HF short to ground, and the system shouldn't care about the pulsed DC because the 0.68uF blocking capacitor will charge and then the voltage will stabilize.

I am finally seeing the effects of the HV potential in this configuration!  Upon startup, the waveform across the load resistor starts with a smallish voltage, and as the 0.68uF capactitor charges the waveform grows.  Engaging the HV bias supply causes the waveform to grow even more, and then even out, all with no noticeable increase in primary current during this entire period.

The source of 120V AC that I am using is an isolated 70W inverter running off of a separate battery.  The only connections between the inverter and the pulse generation circuit are through the two 120V AC connections in the diagram.  Once the inverter has been running for about 2 seconds, it can be disconnected, as the 0.68uF capacitor will maintain the HV potential.  Very strongly, too!  (Nice bright white arc upon shorting the terminals...I wonder if there is more than 160V DC there?)

I have not yet integrated the output voltage to find output power, or even tried a light bulb yet.  My gut feeling is that it is not yet overunity, based on the 'scope, but at least I am finally seeing the HV potential do something on the electrical side of the circuit!!!

BTW, I tried a low-pass filter on the HV DC circuit, with no effect.  It is possible that capacitors act like shorts to longitudinal energy, and therefore the low-pass filter may not have helped, as it would only remove the HF short.  The only thing that helped was removing the filter capacitor, but as you can see, it is not really needed.

Oh, one other thing.  Thanks for all your help and suggestions!  I usually try everything suggested (if my circuitry will handle it without major modifications), and if it doesn't work then I just move on to the next idea, be it yours or mine! :)

More tuning and test results to come...

Eldarion
"The harder the conflict, the more glorious the triumph. What we obtain too cheaply, we esteem too lightly; it is dearness only that gives everything its value."
-- Thomas Paine

Bob Boyce

#189
October 12, 2007, 10:15:29 AM
@all

I don't know if you guys realize how frustrating it is for me to try to read threads here when my browser locks up every time I try to load a page here in any thread that has a lot of image file data to load. It doesn't seem to matter if it is just a few large images, or a lot of small ones. Last night I tried to open the Eldarion thread at least 2 dozen times, and every time it locked up my browser. One time, it at least displayed the messages before it froze, so I was finally able to read the newer posts there.

@Eldarion

I don't know how you concluded that the pulse width of the PWM3 series is 11000 ns, although it is adjustable up to that, and more. I put some scope shots up of a PWM3F on the hydroxy group photos section, and the pulse widths were shown to be under 5000 ns at the outputs.

The energy application of the toroid is similar to the hydroxy application, but it is not exactly the same. Your resistor and scope are not going to behave the same as a hydroxy gas cell stack. In a hydroxy gas application, the energy flows from the secondary and through the cell stack to the ground reference. But whatever your load, a choke (or possibly a high value resistor, have not tried that) is required between the secondary and the HV DC power supply. Having the capacitor in the power supply is ok, IF you HF isolate that supply. With the connections as you are showing, the majority of the flow of energy is going to take the path to ground reference, through your power supply! Note here that ground reference means any mass that has a potential that is or can be referenced to earth ground, so it does not have to be grounded directly in order to soak up power.

I have to take wifey to a dr appt so I have to leave now. i hope this has helped.

Bob
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