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P = VI; both input and output are dc, I haven't tried different power supplies, I know the display of the boost converter isnt entirely accurate, but used it to find best output for lowest current draw. The output, I am taking the mean values V x I. Still, learning tuning, trying diff configs, not alot of time. If interested I'll put scope on L1, or measure in a more accurate way. Willing to try any suggested configurations, that'll improve my understanding...
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« Last post by ramset on Today at 02:41:38 AM »
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« Last post by sm0ky2 on August 03, 2021, 11:42:33 PM »
Perhaps:
A stepper motor type driver could be used during powered phase
And a timer circuit, such as the 5555 or similar, to switch on/off power to the motor
And open the collection circuit during generating phase.
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« Last post by sm0ky2 on August 03, 2021, 11:37:22 PM »
It is during experiment 2 where you have slipped one in.
You did not measure this quantity of ‘heat’.
You ASSUMED it was there because of experiment 1.
However you did not account for the non-thermal energies, some of which result in free ions.
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« Last post by Eighthman on August 03, 2021, 10:35:34 PM »
Could somebody suggest some switching circuits (links) for switching 16 coils in a coreless axial generator on and off? Schematics somewhere?
Better yet would be switching between generation and a motor function (like a stepper motor). My goal is to drive a asymmetric rotor and alternate between driving it and removing power from it, depending on position. So, that could use simple optical sensors to trigger the circuit. 16 relays switched at once within a rotation sounds messy.
I think many of the schemes I've seen here could benefit from this sort of precise control. By doing this, a clear difference could be seen as to input and output energy, in a neat unambiguous fashion as separated.
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« Last post by lancaIV on August 03, 2021, 09:00:43 PM »
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« Last post by alan on August 03, 2021, 08:52:47 PM »
How do you calculate power in & out of such signals?
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« Last post by AlteredUnity on August 03, 2021, 07:17:06 PM »
Sorry you lost me. Are you only referring only to the input power? Not sure what ur trying to explain.
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« Last post by alan on August 03, 2021, 04:28:13 PM »
15v x 0.06a = 0.9w only for continuous DC. At Tdc = 10%, 10% of the period is 0.9w, 90% is 0w, 100% period is 0.09w average (Ppeak x Tdc/Tperiod), because you want to know power over continuous time, not per period or peak.
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« Last post by George1 on August 03, 2021, 04:27:53 PM »
To sm0ky2. =============================== Ah, this is already another song!  This is already a constructive dialogue! We will consider carefully your last post and will write to you in the nearest future.
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