Thứ Sáu, 17 tháng 1, 2014

ZVS with pc power supply run?

Dirana If I should again get annen ohp transformer
So I have 2 flying around, for a donation + shipping goes out one, who wants PN just on me
What have the than for output?
12V are really not Earthing  in most cases. If you transformer turn right the 24V by a VLC and even you almost 34V, thick enough, so that you can pull arc's already beautiful. There are cheap when Pollin if you have any and I would, if you have no 10mF capacitors take Rectifier a couple of
PC NT should work, I've made myself already. As I said, try the 5V to charge something to rail, which need some NT's. And: try a larger capacitor on 12V to intercept the inrush current peak. That might be enough already, has helped me.
OK I'll try that.
With a few LED sinkers I get n A few back.
What do you mean n of greater Elko?
AAR thousand µF, ever more more better
So n couple mF... I will find one in the business.
Probably so n of great big aluminum things.
FRAnalyzer

Thứ Ba, 14 tháng 1, 2014

HV electrical - control

CP TD1 After ages I succeeded to get a thick transformer from an old X-ray device. : mosh:
Thick grey box with a lot of oil. Looks promising.

Is specified for 150 kV at 4 mA continuous load, so approx. 600 W, 400 V at 10 kHz,
I have to also find the wiring diagram: it is a push-pull flow transformers. I've attached the plan.
To explain:
P1 and P2 are the primary connections. To see two are galvanically separated pairs of coils.
These are placed over connections P91-1 and P91-2 on Earth. It is so a
symmetrical voltage of +-75 kV. Graetz-Gleichrichtungen are connected in series then,
the push-pull-flow converters make out. The 220 MΩ resistors are used to measure
the high voltage of a voltage divider


Now my problem: as secondary testing  I the thing? What do you think of these suggestions:

(1) Wiring diagram Zer hacker, so as the following picture shows with a Tl494. Maybe not ideal, but would there go?

Primarily, I have rectified 325 V mains voltage.
You could forgo the freewheeling Yes, because the current locking the transistor on the
Secondary side commutes - or would it still kill the MOSFETs?
Half-bridge or full-bridge. What do you recommend?
Do you know a suitable driver IC? I got a few IRF 740 (400 V, 10 A) as MOSFETs.
I'm trying to find the wiring diagram for the control, which is designed for this transformer just extra.
Who handled with such high voltages, should in my opinion also the circuitry for master ;)

Mobile arc 4 cm

megavar ultra tev locator I wanted to build me a big Plasmfeuerzeug, rule on is a 4 cm arc (a small Northwest blue or goldgelber enough, not like z.B in a MOT), which permanently burn so don't be a popping Flash like from a cascade.
How much Relay testing  is so needed? Rich 50 watt?
Fed which is probably from a Ni-MH battery from the model building, a small ZVS grade still optimized, to implement the performance in a transformer. He should be so outgoing. deliver only the voltage of the electric arc light I would about a Hilfstrafo in series to the output, which then provides a Hochspannnungsimpuls of a capacitor with spark gap and ignites the arc.
So at least the principle - will it work?

Since it's supposed to Yes halfway mobile, I would wrap a transformer even better instead of a transformer. What would suggest since you for windings, to get the required voltage?
Input voltage is 7.2 volts according to the battery, as it comes to a peak voltage of Vin * pi in the resonant circuit of ZVS, so I at the entrance of the transformer (7, 2V * pi) / wurzel(2) = 15 volts. All about and rounded.
I'd sure like to how you next Chamber into the wire that. Just above the edge or a slot in the side wall or how is it made? If the wire Yes above the separation goes, and one from inside outwards wraps per Chamber, yes the transfer wire should be or in addition to the outermost winding of the Chamber, I think where there is then a rollover. How does it work?
Now I have built soldered connections on my converter, that has brought a good performance increase compared with Alligator Clips. Who eats everything from 2-9 volt, 10 amp we are doing.
Then I built my high voltage transformer (can you call still zeilentrafo?). A winding of a handle of a hose reel consists of a Ferrite rod from a radio as the core, then, since I have due to above problem in the Internet times searched and found a nice patent to: http://www.strutpatent.com/patent/07990... ransformer (clicking links from the image). Then I have oblique grooves as in the patent with melted a "hot wire" (a stranded wire to a filament) in the walls of the winding body.
Then 2 mm CuL wound with 0, connected... No Corona! Without insulating stuff or wax.
7.2 Volt that goes off correctly, the ARC looks like that on wikipedia. go an estimated 10 amps at 5 volts, the converter is only moderately hot, but the ferrite core heats up well.

There are no rollovers from the core or the primary winding (why would that happen, I read again and again here). You can well 2kV get, probably even more, reducing the primary windings of arc can be pulled to 3 cm.
2 kV are me too little, I order another 0.15 or 0, 1mm wire, so I wrap again.

I must also light the arc over the few cm, I need still a transformer. you know, Condi download zack, with spark gap in the ignition runs.
For me it fails on point 1, I get the Condi not full.

I've built a diode chain of 3 x FR107 and once FR105, which should hold 3, 6kV. fast-recovery course.

To test this diode I have two LEDs antiparallel and hung the chain of diode in series with the output. The direction with the diodes led the andre bright, weak.
I can not load a condenser at all, there are only arcs. With a 250kOhm, the arcs are resistor in series results in much smaller, but the Kondi is also not really full.
Have the voltage I increase which humiliated primary windings, to me not the Kondis to blow through. I tested two, both times none of your business.