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Author Topic: Akula eternal lantern 4  (Read 276808 times)

forest

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Re: Akula eternal lantern 4
« Reply #315 on: March 13, 2015, 12:12:38 PM »
You could, but that would be entirely unnecessary overkill.  If you generate DC output to the heaters then ordinary EMI filters can easily attenuate the high frequency noise.


Yes, I understand. The negative side is the need of very costly high power high frequency diodes and much more safety precautions I guess in case of heater current  leakage to ground (though heater stainless steel container will be grounded). In fact only the costs of diodes is the main reason and additional circuits to charge big 400VDC capacitor and keep it safe from overvoltage. The output stage of inverter will be 8 separate coils each giving at least 1kW. If I generate rectified DC from AC  will it be enough to supress inductive impedance of such heater elements , without going to filter it with capacitor ?.


MarkE, I'm very greatful that you are here and helping me, thank You!


MarkE

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Re: Akula eternal lantern 4
« Reply #316 on: March 13, 2015, 01:19:35 PM »

Yes, I understand. The negative side is the need of very costly high power high frequency diodes and much more safety precautions I guess in case of heater current  leakage to ground (though heater stainless steel container will be grounded). In fact only the costs of diodes is the main reason and additional circuits to charge big 400VDC capacitor and keep it safe from overvoltage. The output stage of inverter will be 8 separate coils each giving at least 1kW. If I generate rectified DC from AC  will it be enough to supress inductive impedance of such heater elements , without going to filter it with capacitor ?.


MarkE, I'm very greatful that you are here and helping me, thank You!
Well, I think under the circumstances, the safest route for you is to use a traditional heater controller.  You can purchase one or more 20A solidstate relays and control them all from a relatively inexpensive controller off the shelf or that you can design and build.  That will spare you any energy storage components save for the small power supply needed to run the controller.

kippy

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Re: Akula eternal lantern 4
« Reply #317 on: March 26, 2015, 04:26:08 PM »
Works the akula 0083 30 watt ?

I have built  this but the coil L2 draws too much current 3 amperes
And the akula don,t work

Please can some help me

MarkE

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Re: Akula eternal lantern 4
« Reply #318 on: March 26, 2015, 06:35:42 PM »
Works the akula 0083 30 watt ?

I have built  this but the coil L2 draws too much current 3 amperes
And the akula don,t work

Please can some help me
Akula's devices have been reproduced right down to the waveforms.  Non of the replications have yielded free energy.

kippy

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Re: Akula eternal lantern 4
« Reply #319 on: March 26, 2015, 06:52:16 PM »
okay so the akula 30 watt not working  it is fake ?


MenofFather

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Re: Akula eternal lantern 4
« Reply #320 on: March 26, 2015, 07:00:56 PM »
okay so the akula 30 watt not working  it is fake ?
Seems not fake. Two gays only replicate this, Ruslan and one gay seems.

memoryman

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Re: Akula eternal lantern 4
« Reply #321 on: March 26, 2015, 07:26:25 PM »
Seems not fake. Two gays only replicate this, Ruslan and one gay seems.

Are homophobic or did you mean "guys' instead of 'gays'?
Seems not fake; ever watched a magician performing before your eyes? Seems not fake also...

MarkE

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Re: Akula eternal lantern 4
« Reply #322 on: March 26, 2015, 07:26:39 PM »
okay so the akula 30 watt not working  it is fake ?
That's a logical conclusion that fits the available data.

kippy

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Re: Akula eternal lantern 4
« Reply #323 on: March 26, 2015, 07:53:56 PM »
I see on youtube  a men works with the akula see link

https://www.youtube.com/watch?v=bDA3Io6Vzsg

the man has this working, but see that the flow is very low as the akula is connected to the transformer

to me this is 3 amps too high current and does not work
and the coil L1 does give pulze

forest

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Re: Akula eternal lantern 4
« Reply #324 on: March 26, 2015, 08:52:41 PM »
Well, I think under the circumstances, the safest route for you is to use a traditional heater controller.  You can purchase one or more 20A solidstate relays and control them all from a relatively inexpensive controller off the shelf or that you can design and build.  That will spare you any energy storage components save for the small power supply needed to run the controller.


MarkE


If I use rectified and filtered DC say like 320-340VDC straight to my heater elements how can I protect circuit from shortcircuit to water or leakage current to ground ? Would the odinary 230VAC protection breaker work with DC ? do you know any commercial solution for such protection on DC line (except barebone fuse) ?

MarkE

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Re: Akula eternal lantern 4
« Reply #325 on: March 26, 2015, 09:06:04 PM »

MarkE


If I use rectified and filtered DC say like 320-340VDC straight to my heater elements how can I protect circuit from shortcircuit to water or leakage current to ground ? Would the odinary 230VAC protection breaker work with DC ? do you know any commercial solution for such protection on DC line (except barebone fuse) ?
DC arc protection is expensive.  The problem is that as the breaker attempts to open the DC voltage forms an arc across the air gap that then has to be extinguished.  An ordinary AC breaker will not provide good protection.  A DC rated fuse will, such as one of these:  http://ep-us.mersen.com/fileadmin/catalog/Products/Fuses-Fusegear-and-Fuse-Systems/Special-Purpose-Fuses/DC-Fuses/440VDC-Size-14x51-22x58-27x60-GLB-Cylindrical-Fuses/ADV-G-Special-Purpose-Fuses-440VDC-Ferrule-Fuses-14x51-22x58-27x60-Cylindrical-gLB.pdf

mscoffman

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Re: Akula eternal lantern 4
« Reply #326 on: March 27, 2015, 01:41:46 PM »
One way is to use a DC rated contactor and a crowbar safety circuit...Then just switch the circuit off.

MarkE

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Re: Akula eternal lantern 4
« Reply #327 on: March 27, 2015, 04:15:26 PM »
That works if you don't mind spending more than $500. on the DC rated contactor.

eugene900

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Re: Akula eternal lantern 4
« Reply #328 on: May 03, 2015, 03:05:02 PM »
replica
not working  :P

d3x0r

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Re: Akula eternal lantern 4
« Reply #329 on: September 30, 2017, 05:09:11 PM »