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Author Topic: COP 20.00 (2000%) Times, Reactive Power Energy Source Generator,  (Read 302932 times)

Farmhand

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Re: COP 20.00 (2000%) Times, Reactive Power Energy Source Generator,
« Reply #105 on: July 15, 2014, 06:42:42 AM »
Also just wondering, since both half cycles are identical can we not just disregard one half cycle and assess the circuit in
a DC situation using only the positive half cycle ? To simplify the power analysis.

..

P.S. I looked at the power consumed by the capacitors and things seem a bit odd to me then, anyone explain the values at the bottom of this sim ? It says 178 Watts consumed by the resistor and it also shows 78 Watts consumed by each capacitor.  ???

Code.

$ 1 5.0E-6 15.472767971186109 50 5.0 50
v 384 208 384 144 0 1 60.0 177.0 0.0 0.0 0.5
w 384 144 432 144 0
w 432 208 384 208 0
c 656 112 656 176 0 9.999999999999999E-6 -7.954571889469782
c 720 176 720 240 0 9.999999999999999E-6 -7.954571889469783
159 656 176 720 176 0 0.1 1.0E10
159 720 176 720 112 0 0.1 1.0E10
159 656 240 656 176 0 0.1 1.0E10
w 656 240 720 240 0
w 656 112 720 112 0
w 768 352 768 144 0
w 688 192 688 288 0
T 432 144 512 208 0 7.0362 1.0 -1.2230422064702071 1.2921222355024904 0.999
r 544 112 624 112 0 100.0
w 624 112 656 112 0
w 544 112 512 112 0
w 512 112 512 144 0
w 512 208 512 240 0
w 512 240 656 240 0
w 736 144 768 144 0
w 672 352 768 352 0
w 672 208 672 288 0
w 688 288 688 416 0
150 576 416 672 416 0 2 0.0
150 576 352 672 352 0 2 5.0
w 672 416 688 416 0
w 576 368 576 432 0
w 464 336 576 336 0
R 448 336 384 336 1 2 120.0 2.5 2.5 -1.0471975511965976 0.33333300000000005
R 448 400 384 400 1 2 120.0 2.5 2.5 -3.490658503988659 0.33333300000000005
x 283 345 362 351 0 24 Charge
x 255 406 363 412 0 24 Discharge
152 496 432 576 432 0 2 5.0
w 576 400 480 400 0
w 480 400 480 448 0
w 496 448 480 448 0
w 448 400 480 400 0
w 464 336 464 416 0
w 464 416 496 416 0
w 448 336 464 336 0
w 672 288 672 352 0
o 0 32 0 289 160.0 1.6 0 -1
o 0 32 1 291 320.0 9.765625E-5 1 -1
o 13 64 1 35 320.0 9.765625E-5 2 -1
o 3 64 1 35 80.0 9.765625E-5 3 -1
o 4 64 1 35 80.0 9.765625E-5 4 -1


..
« Last Edit: July 15, 2014, 12:24:11 PM by Farmhand »

Farmhand

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Re: COP 20.00 (2000%) Times, Reactive Power Energy Source Generator,
« Reply #106 on: July 15, 2014, 10:12:05 AM »
If this is in fact legitimate, then I want to be using it.  :) My positive thinking tells me that if it will work identically on each half cycle of AC it should work with DC as well so I tried the sim with a diode by itself in the supply side and also with a capacitor there as well as
the diode.

If true and we can apply the principal with DC and batteries and capacitor banks then the batteries should show a net charging current.

 

SchubertReijiMaigo

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Re: COP 20.00 (2000%) Times, Reactive Power Energy Source Generator,
« Reply #107 on: July 15, 2014, 01:21:34 PM »
Also just wondering, since both half cycles are identical can we not just disregard one half cycle and assess the circuit in
a DC situation using only the positive half cycle ? To simplify the power analysis.

..

P.S. I looked at the power consumed by the capacitors and things seem a bit odd to me then, anyone explain the values at the bottom of this sim ? It says 178 Watts consumed by the resistor and it also shows 78 Watts consumed by each capacitor.  ???

The sim display only peak watt not the integrated value per unit of time...
The white curve is an instantaneous I*U curve, but unfortunately no integrating function for the curve.
You can look visually the area of the white (power) curve above or under the zero line and compare with input.
Or doing yourself integration if you know math...

Jdo300

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Re: COP 20.00 (2000%) Times, Reactive Power Energy Source Generator,
« Reply #108 on: July 15, 2014, 03:57:56 PM »
Hi Stefan,

Here's the modified simulation using the resistor series/parallel switching. I haven't spent any time tuning the component values, but here's the basic template for everyone to play with.

$ 1 5.0E-6 3.5993318835628396 40 5.0 50
v 320 240 320 176 0 1 60.0 177.0 0.0 0.0 0.5
w 320 176 368 176 0
w 368 240 320 240 0
c 640 144 640 208 0 9.999999999999999E-6 -173.65305112063913
c 704 208 704 272 0 9.999999999999999E-6 -173.65305112063913
159 640 208 704 208 0 0.1 1.0E10
159 704 208 704 144 0 0.1 1.0E10
159 640 272 640 208 0 0.1 1.0E10
w 640 272 704 272 0
w 640 144 704 144 0
w 752 320 752 176 0
w 672 224 672 320 0
T 368 176 448 240 0 4.0 1.0 0.15665227448245278 0.19767468597969223 0.999
r 480 80 544 80 0 50.0
w 608 144 640 144 0
w 480 144 448 144 0
w 448 144 448 176 0
w 448 240 448 272 0
w 448 272 640 272 0
w 720 176 752 176 0
w 656 320 752 320 0
w 656 240 656 320 0
w 672 320 672 448 0
150 560 448 656 448 0 2 0.0
150 560 384 656 384 0 2 5.0
w 656 448 672 448 0
w 560 400 560 464 0
w 448 368 560 368 0
R 432 368 368 368 1 2 120.0 2.5 2.5 -1.0471975511965976 0.33333300000000005
R 432 432 368 432 1 2 120.0 2.5 2.5 -3.490658503988659 0.33333300000000005
x 267 377 346 383 0 24 Charge
x 239 438 347 444 0 24 Discharge
152 480 464 560 464 0 2 5.0
w 560 432 464 432 0
w 464 432 464 480 0
w 480 480 464 480 0
w 432 432 464 432 0
w 448 368 448 448 0
w 448 448 480 448 0
w 432 368 448 368 0
w 656 320 656 384 0
r 544 144 608 144 0 50.0
w 608 144 608 80 0
w 480 144 480 80 0
159 480 144 544 144 0 0.01 1.0E10
159 544 144 544 80 0 0.01 1.0E10
159 544 80 608 80 0 0.01 1.0E10
w 560 112 784 112 0
w 784 112 784 448 0
w 784 448 672 448 0
w 576 96 752 96 0
w 752 96 752 176 0
w 512 160 512 320 0
w 512 320 656 320 0
o 0 32 0 35 261.87124863169134 5.237424972633828 0 -1
o 0 32 1 291 523.7424972633827 9.765625000000001E-155 1 -1
o 13 32 0 35 149.65776766268445 2.993155353253689 2 -1
o 13 32 1 35 279.96809277222553 9.765625E-105 3 -1

NOTE: The two graphs on the right side show the voltage and power dissipation through only one of the two resistors. Notice how the voltage on the return spike appears to be taller, but it is only because of the series/parallel switching. If you look at the current through the entire resistor network, it looks similar to the first simulation.

- Jason O

vasik041

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Re: COP 20.00 (2000%) Times, Reactive Power Energy Source Generator,
« Reply #109 on: July 15, 2014, 09:05:38 PM »
Model and simulation results in LTSpice  :)

G4RR3ττ

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Re: COP 20.00 (2000%) Times, Reactive Power Energy Source Generator,
« Reply #110 on: July 15, 2014, 09:21:09 PM »
Hello gents,

The site where I originally posted some of this info is down right now due to some complications involving a domain transfer, so I thought it couldn't hurt to post here in the mean time, as well as send a reply back to Wayne whom I was trying to write back to, and who looks to be on this thread.

Wayne,

Good eye! That circuit was drawn up late in the night and I didn't think much about the discharge path while putting it together. As for the fix, an NPN MOSFET can be used as a synchronous rectifier since MOSFETs can pass currents in either direction when turned on, this also helps reduce total conduction losses for the circuit under charging conditions as well.

For everyone else,

If you're interested in the circuit I've attached some of the diagrams I made recently, though the accompanying text that I had written on Garagehacker is a necessary compliment. For a basic summary: the circuit uses synchronous rectification and a simple DC series/parallel switching circuit along with PWM to force a 2xf sinusoidal current that would meet the requirements of Jim's switching circuit, particularly the Steinmetz reflection criteria. I feel this is a superior approach to both Babcock's convoluted circuit and Jim's original SERPS prototype built by "Eric," which appears to have used SSRs.

I think most people are caught up in the subterfuge of the circuit's description, particularly Jim's terseness and Babcock wanting to promote his "flyback" circuit. The only thing that really matters is the shape of the signal needed for creating the "reflection". If you know what the currents and potentials should be doing, then the circuit can be built however one would like as long as it satisfies the requirements of producing the correct wave shape and phase relations.

TinselKoala

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Re: COP 20.00 (2000%) Times, Reactive Power Energy Source Generator,
« Reply #111 on: July 15, 2014, 10:08:39 PM »
If a circuit produces signals with higher harmonic frequencies that exceed the simulation's clock rate, is the sim likely to return correct math answers?

MarkE

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Re: COP 20.00 (2000%) Times, Reactive Power Energy Source Generator,
« Reply #112 on: July 15, 2014, 10:13:44 PM »
If a circuit produces signals with higher harmonic frequencies that exceed the simulation's clock rate, is the sim likely to return correct math answers?
Nope.  The minimum simulation step needs to be carefully selected so as to capture all important information and still not make the output file unwieldy.

hartiberlin

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Re: COP 20.00 (2000%) Times, Reactive Power Energy Source Generator,
« Reply #113 on: July 16, 2014, 05:34:48 AM »
@vasik041

LTSPICE simulation looks good !
So the last green scope traces show mostly negative input power
on average while the blue trace above it at the lamp resistor shows positive real active power ?


Well done !


Regards, Stefan.

vasik041

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Re: COP 20.00 (2000%) Times, Reactive Power Energy Source Generator,
« Reply #114 on: July 16, 2014, 06:48:24 AM »
@vasik041

LTSPICE simulation looks good !
So the last green scope traces show mostly negative input power
on average while the blue trace above it at the lamp resistor shows positive real active power ?

Well done !

Regards, Stefan.

 Hi Stefan,
 
 Negative power in this context means power consumed from the power source.
 The circuit is quite efficient, 7.1 W consumed and 6.8W dissipated on the load.
 It is also creates interesting asymmetry in primary current. With "real" transformer it probably cause core saturation. May be this creates some "magic" ?

Regards,
 V.



garrettm4

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Re: COP 20.00 (2000%) Times, Reactive Power Energy Source Generator,
« Reply #115 on: July 18, 2014, 08:16:38 AM »
Here's the LTspice simulation of the circuit when ran at 60 Hz and no PWM (can't seem to figure out how to produce PWM with LTspice). Looks very close to Babcock's waveforms. This really might be the equivalent circuit of what they were using.

Once concern about this whole circuit is the amount of electric charge returned on the discharge cycle; basic physics says it will be one half the charging cycle's value. And this seems to be shown by the simulation as well.

Ratios inherent with parallel/series transformations:

C= value of 1 cap

total capacitance ----- 2*C : 1/2*C
total electric charge -- 2*Q : 1*Q
voltage across cap --- 1*V_s : 2*V_s
energy stored --------- 1:1

hartiberlin

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Re: COP 20.00 (2000%) Times, Reactive Power Energy Source Generator,
« Reply #116 on: July 18, 2014, 07:31:22 PM »
COP=50 Presentation !

Finally the presentation of Jim Murray and Paul Babcock
about the new SERPS Circuit with COP=50 from the Bedini 2014 Conference is now available here:

http://bit.ly/serpslecture

Regards, Stefan.

G4RR3ττ

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Re: COP 20.00 (2000%) Times, Reactive Power Energy Source Generator,
« Reply #117 on: July 18, 2014, 07:56:46 PM »
Below is the correct power and line current diagram. For some reason I didn't realize that the current on the next switching cycle would be in the same direction as the previous one. Any ways, this is more or less what the signal would look like if you could force double pulse sinusoidal currents with the fundamental being the same as line frequency.

After a quick analysis, the SERPS concept forces a resistive load to look reactive, which allows the reuse of about 50% of the previous total electric charge to do work a second time (since the parallel/series capacitor switcher is basically a charge pump). The 50% reuse is a MAXIMUM limit, set by the physics of a conservative capacitor. My simulation calcs show I was able to obtain around 40% reuse in practice.

As for energy and power I haven't done any calcs on those since I can't figure out how to perform math operations (integration/multiplication etc.) on LTspice simulation data... But prospectively the circuit should cut down on energy use by 20-40%. Definitely not a COP of 50! I think that figure is a load of crap. Comments welcome.

wayne49s

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Re: COP 20.00 (2000%) Times, Reactive Power Energy Source Generator,
« Reply #118 on: July 18, 2014, 09:33:07 PM »
Hi Garett,


Thanks for the update. Do you see any other chips that might be a bit cheaper that would do the job? I was thinking of using an Arduino controller to control the switching and optimize it experimentally.

Farmhand

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Re: COP 20.00 (2000%) Times, Reactive Power Energy Source Generator,
« Reply #119 on: July 18, 2014, 09:45:43 PM »
Surely if there is any OU in this principal then a simple experiment as suggested in the drawing below would show it with careful
measurement. I just drew two drawings to show the two phases of charging the capacitors through the resistor (load)
in parallel and then the same capacitors reconfigured in series and discharged through the resistor back to the supply.

I think those who are know the math should be able to analyse the circuit on paper and get a result of input to output.

I think the difference between energy supplied and energy returned will give the energy consumed and the energy dissipated by
the resistive load will be the output to be compared with the energy consumed.

Won't a DC analogy give a similar result to one half cycle of AC ? We can generate sinusoidal AC if we want to and plenty of
(out of phase power) as well but that's just another loss. Why can't we do it with DC ?

..