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Overunity Machines Forum



Self running coil?

Started by gotoluc, March 13, 2010, 12:40:57 AM

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NextGen67

#190
March 19, 2010, 03:29:40 PM
Quote from: HarryV on March 19, 2010, 01:59:58 PM
@Anyone
I asked my 'advisor' this:


> But the capacitor looks like it is in the wrong place to be a booster
> converter with or without a load.
> compare photo 2:
> http://tinyurl.com/ycw4xm4
>
> with operating principles
> http://en.wikipedia.org/wiki/Boost_converter


his response:

The capacitor on your photo 2 is in parallel with the battery so it's
part of the converter's input supply. The capacitor in the operating
principles diagram of the wikipedia article is the converter's output
capacitor, which might as well not be there in steady state is there
is no load (once charged it just stays charged at a high voltage, and
the Boost's diode never conducts-- so the diode might as well not be
there either). So everything to the right of the switch in the boost
converter diagram could be removed in no load condition, that's why I
say the circuit operates like a Boost converter without a load. Which
explains why it steps up the input voltage, that's what Boost
converters do.


so is he correct in saying this is a boost converter without a load?

In my opinion: No. For one, the Supply as positioned in the wiki image is not needed for Luc's circuit.

Your 'adviser' knows by the way that the battery is disconnected after an initial cap charge?

--
NextGen67

wings

#191
March 19, 2010, 03:44:42 PM
deleted

HarryV

#192
March 19, 2010, 03:46:48 PM
Quote from: NextGen67 on March 19, 2010, 03:29:40 PM
In my opinion: No. For one, the Supply as positioned in the wiki image is not needed for Luc's circuit.

Your 'adviser' knows by the way that the battery is disconnected after an initial cap charge?

--
NextGen67

I think he does, and I bet he would say: after the cap is disconnected the voltage rise is due to leakage from the mosfet.

Sorry for the back and forth, but I know very very little about electronics and he is an EE so I can't really question his judgement.

HarryV

#193
March 19, 2010, 03:50:14 PM
Quote from: wings on March 19, 2010, 03:44:42 PM
Yes you can feel the pulse if put your finger on the toroid.

thanks,
so without the magnets the pulse sensation goes away?

skywatcher

#194
March 19, 2010, 03:50:20 PM
Quote from: HarryV on March 19, 2010, 03:46:48 PM
I think he does, and I bet he would say: after the cap is disconnected the voltage rise is due to leakage from the mosfet.

In my circuit (which is not carefully tuned), the voltage on the cap decreases slowly, and after some hours it stops working. So there seems to be no significant leakage.
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