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Author Topic: Selfrunning cold electricity circuit from Dr.Stiffler  (Read 1470656 times)

DrStiffler

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Re: Selfrunning cold electricity circuit from Dr.Stiffler
« Reply #2760 on: November 23, 2009, 03:53:17 PM »

It's still there it's just going through the big cap first.
This way the cap will charge just from the Sec running.

And the AV plugs help to top it off.

@All

What (slayer007) is working with here is a variation of the ESEC circuits and the simplest of which I have enclosed a diagram. I have not build what (slayer007) is talking about, although I do have an original circuit with some similar aspects, although I use an isolation capacitor from the collector for one thing.

In the included circuit the diode, 1M resistor and capacitor on the base is needed to restart the Exciter if it is stopped after the Pwr Cap exceeds 1/5 of the supply voltage. Without these parts the Exciter will not start again unless the pwr cap is discharged. The power cap will only charge to the point where the BE(V) of the transistor can no longer be met. In practice the circuit shown will charge the pwr cap to ~2/3 Vcc.

I think (slayer007) has ued this basic circuit an combined the early circuits and left out the isolation cap.

Anyway I can not comment on his work as I do not know if it will or will not work. I just wanted to get a basic circuit up here that works as a charge circuit.

PaulLowrance

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Re: Selfrunning cold electricity circuit from Dr.Stiffler
« Reply #2761 on: November 23, 2009, 05:06:25 PM »
Dr. Stiffler,

Thanks very much for the circuit! It seems interesting, and will add it to my build list.

Regards,
Paul

DrStiffler

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Re: Selfrunning cold electricity circuit from Dr.Stiffler
« Reply #2762 on: November 23, 2009, 05:19:14 PM »
Dr. Stiffler,

Thanks very much for the circuit! It seems interesting, and will add it to my build list.

Regards,
Paul

Mr. Lowrance

Some of the confusion may have entered the diagrams as I think (Slayer007) may have started with this early ESEC. This particular circuit was latter refined and is maybe a starting place for those that have interest, although the ESEC's have moved forward from this.


Kator01

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Re: Selfrunning cold electricity circuit from Dr.Stiffler
« Reply #2763 on: November 23, 2009, 06:03:19 PM »
Hi gadgetmall,

you are claiming that you have shown overunity with charging you 650 F Supercap.
What I miss here is a basic measurement of the true capacitance of this "650 F"- Cap.
Tolerance might be +-30 %.

Have you done exact measurements before you started this experiment ?

Regards

Kator01

Kator01

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Re: Selfrunning cold electricity circuit from Dr.Stiffler
« Reply #2764 on: November 23, 2009, 06:16:51 PM »
Hi gadgetmall,

here you can see how to measure your supercap.

Regards

Kator01

DrStiffler

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Re: Selfrunning cold electricity circuit from Dr.Stiffler
« Reply #2765 on: November 23, 2009, 06:38:20 PM »
Hi gadgetmall,

here you can see how to measure your supercap.

Regards

Kator01

@Kator01 @All

I'm not back to get into discussions or start the usual fireline as last time, I may pop in no and them when it looks like a bit of input may help.

And so is the case with Super Caps. Measuring the time constant of Super Caps is a waste of ones time, it does not provide accurate information.

I have included a link to a paper I did on Boost Caps and the paper contains references to other papers and manufactures on how a Super Cap must be tested. If not done properly many different values can be determined from the same cap under test.

http://www.scribd.com/doc/12389577/Auto-Audio-Boost-Capacitor-Test-Paper

powercat

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Re: Selfrunning cold electricity circuit from Dr.Stiffler
« Reply #2766 on: November 23, 2009, 06:40:34 PM »
Kator01
gadget is not posting in this thread, as this is the circuit from Dr.Stiffler thread.
BTW gadget is using an ultra-cap not a super.
cat

PaulLowrance

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Re: Selfrunning cold electricity circuit from Dr.Stiffler
« Reply #2767 on: November 23, 2009, 06:57:03 PM »
Dr. Stiffler,

You definitely know you stuff, which is refreshing to see at this forum. May I ask what were the power ratings of the 3 resistors used in capacitance measuring experiments.

Paul

DrStiffler

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Re: Selfrunning cold electricity circuit from Dr.Stiffler
« Reply #2768 on: November 23, 2009, 07:00:42 PM »
Kator01
gadget is not posting in this thread, as this is the circuit from Dr.Stiffler thread.
BTW gadget is using an ultra-cap not a super.
cat

@Powercat

FYI

http://www.hpcwire.com/industry/manufacturing/Maxwell-Technologies-ANSYS-Release-Ultracapacitor-Components-Library-52453812.html

I think you will find that a SuperCap and UltraCap are separated only by Trade Name

DrStiffler

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Re: Selfrunning cold electricity circuit from Dr.Stiffler
« Reply #2769 on: November 23, 2009, 07:07:36 PM »
Dr. Stiffler,

You definitely know you stuff, which is refreshing to see at this forum. May I ask what were the power ratings of the 3 resistors used in capacitance measuring experiments.

Paul

Mr. Lowrance

All the resistors are 1/4W and can be 1/8W. If you wanted to all the resistors (for test exploration only) can be removed after the Exciter starts oscillation. The 1M resistor is only needed to start oscillation at which point the transistor goes into a -R operational mode and does not require the DC bias offered by the base resistor.

This is not a conventional oscillator and (alpha) (gain) is not provided via the normals pathways. I keep correcting people on the assumption that this is a Collpits and even had one fellow fight that it was an Armstrong design. If one needs something conventional to feel good about the design is closest to the Clapp Oscillator. Although as with all my Exciters this is a -R Ultra Bandwidth Bifurcating Oscillator.

PaulLowrance

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Re: Selfrunning cold electricity circuit from Dr.Stiffler
« Reply #2770 on: November 23, 2009, 07:09:43 PM »
Dr. Stiffler,

Are you referring to your capacitance measuring experiments,

http://www.scribd.com/doc/12389577/Auto-Audio-Boost-Capacitor-Test-Paper

Your paper mentions three load resistors. I was wondering what the power wattage rating was on the resistors.

Thanks,
Paul

DrStiffler

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Re: Selfrunning cold electricity circuit from Dr.Stiffler
« Reply #2771 on: November 23, 2009, 07:18:44 PM »
Dr. Stiffler,

Are you referring to your capacitance measuring experiments,

http://www.scribd.com/doc/12389577/Auto-Audio-Boost-Capacitor-Test-Paper

Your paper mentions three load resistors. I was wondering what the power wattage rating was on the resistors.

Thanks,
Paul

I'm sorry I thought you were asking about the circuit I last posted for the (slayer007) direction.

The load used on the boost cap testing was an electronic load TekPower 3710A and it is good for 150W and is fully computer controlled as it was in the testing.

PaulLowrance

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Re: Selfrunning cold electricity circuit from Dr.Stiffler
« Reply #2772 on: November 23, 2009, 07:24:23 PM »
Okay, looks like good measurements. I thought maybe the load was heating, and thus changing the load resistance, but it seems fine. It will be interesting to see how much capacitance my 650F Maxwell booscap has, when it arrives.

Paul

PaulLowrance

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Re: Selfrunning cold electricity circuit from Dr.Stiffler
« Reply #2773 on: November 23, 2009, 07:32:29 PM »
Dr. Stiffler,

Again regarding the cap measurements, I'm wondering how your caps would perform if the load was higher resistance. I have no idea about such cap technology, but maybe the cap *efficiency* is far higher at lower levels of current. Obviously the caps are rated at higher current levels then what you tested, but I'm wondering if their efficiency varies a lot with the current.

Paul

DrStiffler

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Re: Selfrunning cold electricity circuit from Dr.Stiffler
« Reply #2774 on: November 23, 2009, 09:26:59 PM »
Dr. Stiffler,

Again regarding the cap measurements, I'm wondering how your caps would perform if the load was higher resistance. I have no idea about such cap technology, but maybe the cap *efficiency* is far higher at lower levels of current. Obviously the caps are rated at higher current levels then what you tested, but I'm wondering if their efficiency varies a lot with the current.

Paul

Mr. Lowrance

I would suggest you look into some of the references I have in the paper. Resistance will indeed play a roll in the measured capacity. This is why I did the study, I had a large disagreement with a boost cap supplier. The product was advertised as 3F and was stated to supply +200 amperes of boost for the bass component of auto sound systems, although when I told them their cap was no where near 3F they stated I need to use a 350+ ohm resistor to see the true value. Wait a minute, something is wrong here, right, +200J through 350+ ohms when cap is charged to 13.6V, bells go off here....

Found the study very interesting as well as the strange things one sees because the larger caps are really smaller caps in a series/parallel arrangement. Some very strange artifacts can be found.