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TopRuslan

Started by r2fpl, March 21, 2023, 11:47:39 AM

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r2fpl

#10
March 23, 2023, 05:09:43 AM
1,2V do 35V step down 300W

Dog-One

#11
March 23, 2023, 05:58:22 AM
Spot on!

A fairly generic Chinese (boost/buck) template:

https://www.amazon.com/dp/B08QJCR7WQ/
https://www.amazon.com/dp/B071CWMRYD/
https://www.amazon.ca/dp/B08NPR28JT/
https://www.amazon.com/dp/B081X5YX8V/

That's what he has switched to for his power supply.  Simple,
cheap and starts with a 9 volt battery just fine.  So I guess he
is not conditioning the output power after all.  Maybe that big
tapped coil on the right is to boost the voltage from something
lower than 220 volt.  Basically an autotransformer with fixed taps.
Being an air core with thick wire, the output power must still
be pretty high frequency, guessing 20 to 80 kilohertz, maybe
a tad higher.  Doubtful he is running in the megahertz range.

r2fpl

#12
March 23, 2023, 06:31:33 AM
Quote from: Dog-One on March 23, 2023, 05:58:22 AM
That's what he has switched to for his power supply.  Simple,
cheap and starts with a 9 volt battery just fine.  So I guess he
is not conditioning the output power after all.  Maybe that big
tapped coil on the right is to boost the voltage from something
lower than 220 volt.  Basically an autotransformer with fixed taps.
Being an air core with thick wire, the output power must still
be pretty high frequency, guessing 20 to 80 kilohertz, maybe
a tad higher.  Doubtful he is running in the megahertz range.

In the video it says it is direct current.
What is a thick wire coil for?
Maybe instead of a capacitor it looks like an output or maybe it's doing current pulses for the Tesla coil. I Can't see the wires well.

Dog-One

#13
March 23, 2023, 06:50:09 AM
Quote from: r2fpl on March 23, 2023, 06:31:33 AM
In the video it says it is direct current.

Could be translation issue.  Maybe "directs the current" ?

Quote from: r2fpl on March 23, 2023, 06:31:33 AM
What is a thick wire coil for?
Maybe instead of a capacitor it looks like an output or maybe it's doing current pulses for the Tesla coil. I Can't see the wires well.

Okay, so if he is using a buck converter for the power supply, that
requires a DC input for certain.  Can you find anything that looks like
a bridge rectifier?  If there is no sign of one anywhere, maybe the
system is putting out DC.

truesearch

#14
March 23, 2023, 09:26:08 AM
QuoteCan you find anything that looks like[/size]a bridge rectifier?  If there is no sign of one anywhere, maybe thesystem is putting out DC.

Well. . . in the above photo of the device and work-bench it looks like you could hide almost anything, maybe even a power-supply wire  8)
BTW, it looks alot like my workbench sometimes  ;D
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