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Author Topic: The Secret Life of Capacitors  (Read 8096 times)

Offline nul-points

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The Secret Life of Capacitors
« on: July 05, 2010, 03:02:29 AM »
a couple of years back, ou.com  Nerzh Dishual and i were discussing capacitor charge experiments and some of the interesting but rarely discussed characteristics we'd observed along the way

Mr Dishual suggested that we should collect all this information into one place and call it 'The Secret Life of Capacitors'

this is that collection

the resulting PDF is quite large (7Mb) so i'm hoping i've managed to upload it to the appropriate storage space at ou.com - if not, i'll upload it to the 'Latest' page on my website (look for link to 'The Secret Life of Capacitors')

  http://ringcomps.co.uk/doc


there are photos of the test sensor and graphs with possible correlations and explanations for some of the unusual characteristics which can be observed when you get 'up close and personal' with a capacitor!  (don't tell my wife!)   ;)

the file also contains an Appendix with graphical data of over a month's worth of datalogged 'spontaneous' voltage recorded on a capacitor to show the cyclic patterns which are generated


it would be nice to think that somewhere amongst all the revealed 'secrets' there is an explanation of how my NiMH and NiCad LED flash circuits are able to self-sustain their operation by lifting the voltage across the battery to greater than the off-load voltages

...but that's another story (The Ringwood Bootstrap circuit)!
        http://www.overunity.com/index.php?topic=4419.msg246787#msg246787


happy reading

sandy

Free Energy | searching for free energy and discussing free energy

The Secret Life of Capacitors
« on: July 05, 2010, 03:02:29 AM »

Offline nul-points

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Re: The Secret Life of Capacitors
« Reply #1 on: July 07, 2010, 09:29:46 AM »
hi all

i'm wondering if the anomalous charge effect on capacitors (shown in the graph, middle image, above) could be assisting my low-powered  LED flash circuit which so far has increased its own supply voltage across the battery for around 200 hours using a NiCad, and 400 hours on a test started earlier, using a NiMH

the circuit uses 3 storage caps: 1 across the battery and two providing positive DC offsets for pulse transformers feeding the LED pulse energy back to the battery

the circuit is VERY low-powered and the combination of efficient energy feedback within the circuit and possibility of a little boost from anomalous charge on the 3 capacitors might JUST be taking the circuit overunity

basic schematic & latest supply voltage graph below

the thread covering the circuit is at:
   http://www.overunity.com/index.php?topic=4419.msg246787#msg246787


the info containing Apr/May '09 results of my anomalous capacitor investigations can be downloaded from:
  http://www.ringcomps.co.uk/doc/pages/secret_life_of_capacitors.pdf

(includes appendix of 30+days of graphical data, hence 7Mb in size)

Offline Pirate88179

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Re: The Secret Life of Capacitors
« Reply #2 on: July 07, 2010, 10:14:51 AM »
Sandy:

Are you familiar with the work that Captainpecan posted here on OU a few years back?  He ran some interesting experiments with caps that showed some promise.  Of course, he was ridiculed by some folks (that have been banned and are no longer with us) that were saying that if he didn't have $15,000 measuring equipment then his results were bogus, etc.

What you have worked on may not even be related but, what is related is that he noticed some potential "gain" from charging and discharging caps in his system.

My only work in this area has been with supercaps and boost caps as related to the JT circuits and the earth type batteries.  I will try to read your caps research as I am always interested in stuff that may have easily been overlooked by the "experts".

I am looking forward to it.

Bill

Free Energy | searching for free energy and discussing free energy

Re: The Secret Life of Capacitors
« Reply #2 on: July 07, 2010, 10:14:51 AM »
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Offline nul-points

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Re: The Secret Life of Capacitors
« Reply #3 on: July 07, 2010, 11:29:59 AM »
hi Bill

good of you to drop by - what on earth are you doing awake at this hour?!?


yes, i remember Captain Pecan

actually, several members here had been investigating and posting pulsed capacitor charge anomaly results from long before the Cap'n was knee-high to a parrot!

fortunately, the resulting feeding-frenzy whistled right on past the rest of us and we were able to get on with our investigations without distraction  ;)


the low-powered circuit i'm experimenting with (shown above) is a bit like a JT in slo-mo

it'll be interesting to see how long the voltage across the supply battery continues to increase


all the best with your experiments!
sandy
« Last Edit: July 07, 2010, 12:43:39 PM by nul-points »

Offline nul-points

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Re: The Secret Life of Capacitors
« Reply #4 on: July 11, 2010, 04:17:48 PM »
CAP SELF-RECHARGE UPDATE:
The 6800uF capacitor from the datalogging test rig has had the shunt resistor removed for approx 6 months now and it's evident from the 'voltage vs. days' graph (see below) that for the last 5 months the voltage increase has been very close to a linear function of time

during the 5 months from mid-Feb until now, the charge-separation on the capacitor has increased steadily by approx 0.01 milliCoulomb per day, which represents a total energy gain of 204uJoules over that period

the total energy gain since the shunt was shorted then removed, mid-Jan, is 329uJ

these increases have occurred whilst the capacitor was fully enclosed inside an aluminium container (ie. screened from external EM interference / noise pickup)

(the capacitor also has Neo magnets fixed around its can, aligned to create a magnetic field within the capacitor at right angles to the voltage field across the capacitor 'plates')


SEE ALSO:
for an extensive range of results from investigating anomalous charge and current in a variety of regular electronic components, check out the intensive work which Paul Lowrence has been detailing on his blog at:
   http://www.globalfreeenergy.info/




Free Energy | searching for free energy and discussing free energy

Re: The Secret Life of Capacitors
« Reply #4 on: July 11, 2010, 04:17:48 PM »
Sponsored links:




Offline nul-points

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Re: The Secret Life of Capacitors
« Reply #5 on: July 14, 2010, 09:42:50 PM »
last Saturday, July 10th i setup the capacitor datalogging again, this time with a 2200uF capacitor

as before, the capacitor was enclosed within an aluminium case and it also had Neo magnets aligned with the capacitor can

the magnets are held in place with a rubber band - only two turns have been used here, only just enough tension to hold the Neos in place - so it's extremely unlikely that the rubber band is deforming the cap's aluminium can, as has been suggested

(it's also been suggested that the application of magnets only makes a "momentary" influence on the spontaneous voltage, but it's clear from Fig. 15, the 'magnet-test' graph in the PDF, that the magnets create a visible increase in the level of the voltage profile for the entire length of time that the magnets are applied - eg, 2 hours in one test - 45 minutes in the second test - hardly 'momentary'!)

the purpose of this most recent test was to compare the behaviour of the 'spontaneous' voltage on the capacitor in a cold, temperature-controlled environment (a domestic refrigerator) with that in a sustained hot environment (outlet of a laptop PC fan)

the test was allowed to continue throughout Sunday 11th, also


there are two main behaviours to note:-

a) the 'spontaneous' voltage does not follow the static level of the temperature - it responds mostly to the change of temperature

as you can see from the red trace on the dual-trace graph below, the temperature 'profile' to which the cap was subjected, was like a pulse waveform:  it started by decreasing rapidly from approx 28*C to 5*C, it remained at 5*C for 10 hours then it rose rapidly to approx 43*C and remained at around that level for 29 hours

what happened to the capacitor voltage profile whilst subjected to this temperature profile?

well, the voltage increased or decreased with the temperature changes, but then it gradually reverted back towards 0V after each change - it showed two 'overshoots', one negative, one positive, at the two major temperature transitions

it has almost 'differentiated' the temperature profile

so the temperature response of the spontaneous voltage is not too dissimilar to the electrical response of a capacitor to the passage of charge-separation current, in response to an electrical 'step' voltage

from this we can predict that spontaneous capacitor voltage will follow faster temperature increase/decrease trends better than steady-state temperatures


b) although the spontaneous voltage remained almost constant whilst in the 5*C environment, in contrast, at the elevated temperature and following the positive 'overshoot', it began to respond to the external influence which causes the daily periodic variation (similar to that seen in the collected data shown in the appendix of the PDF), at a lower peak-to-peak swing

the single-trace graph below is expanded vertically to show the detail of the spontaneous voltage profile - the two graphs below cover exactly the same time period

as you can see, on the cold-to-hot transition of its environment the capacitor self-charged to nearly +5mV, whilst still shunted by the 0.86Mohm resistor, and having sustained a negative voltage for the previous 10 hours


so the outcome of the test is that the spontaneous voltage does respond to temperature, mostly dynamically, but it is not dictated by it
  eg. the voltage was equally able to go negative when the test rig was heated to 43*C (21:00 July 11th) as when it was cooled to 5*C (10:00 July 10th)
 
 
 
« Last Edit: July 15, 2010, 07:05:54 AM by nul-points »

 

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