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Overunity Machines Forum



Reactive power - Reactive Generator research from GotoLuc - discussion thread

Started by hartiberlin, December 12, 2013, 04:34:12 PM

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0 Members and 3 Guests are viewing this topic.

TinselKoala

If you look closely in the video you can see that the "input" bulb is still glowing very dimly at the resonant point. This means of course that there is still current flowing, at a low level. The voltage, however, rises, so there is still power being supplied to the primary. It would be interesting to see some actual instrumental measurements of current and voltage in the primary and secondary circuits.

Great demonstration, though, thanks for posting it.

MarkE

When coupled with an available current path through each coil, the inductance of the coupled coils effectively changes from that of the coils when uncoupled.  As you say, it would be revealing to see real measurements of voltage and current on an oscilloscope for both sides of the circuit.

verpies

Quote from: poynt99 on January 24, 2014, 09:46:44 AM
I think what the input bulb IS good for is indicating the amount of current in the primary.
Of course, an input bulb with a straight filament will convert I2R  to heat and light almost perfectly, but current is not power and the bulb will "ignore" power carried by high voltage and low current.

tim123

Quote from: verpies on January 24, 2014, 01:23:39 PM
Of course, an input bulb with a straight filament will convert I2R  to heat and light almost perfectly, but current is not power and the bulb will "ignore" power carried by high voltage and low current.

Hi Verpies,
My experience doesn't agree with this... Bulbs show any real power...

I've found I can run an incandescent bulb on the output of a car ignition coil (maybe 5000v, 1000Hz) at 40w, or an MOT (2000v ish), and it's exactly as bright as it is with 40w mains (at 240v AC, 50Hz). Just the same...

Regards, Tim

gotoluc

To poynt99 or anyone who wants to take a go at it

I have a toroid which I wound myself in Bifilar on a Ferroxcube toroid core. It is under test connected to a sine wave output of my SG set at 4.33 Mhz.

My 200Mhz DSO scope is set to DC Coupling and I'm using my non Inductive 2 inch long nichrome wire which I adjusted to 0.1 Ohm. Both scope probes are connected in the standard way to measure power. Ch 1 is voltage and Ch 2 is current.

It seems from the scope math that 3.8W is being returned. I have attached both Non Inverted and Inverted of Ch 2 scope shots so not to have another debate on that matter and also many samples of each versions.

I have checked my DSO scope against Thane's Tektronic before returning it to him just to make sure it was accurate and found mine to be better as far as comparing math data between Ch 2 inverting or not. So I don't think this is a scope error.

Let me know what you think

Luc