Make an Ultra Simple High Voltage Generator

7/27/2019 Make an Ultra Simple High Voltage Generator

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Make an Ultra Simple High Voltage Generatorby Plasmanaon September 16, 2008

Table of Contents

intro: Make an Ultra Simple High Voltage Generator ...................................................................................

step 1: Get the things!! .........................................................................................................

step 2: Wire up the transformer ..................................................................................................

step 3: Connect to battery and have fun! ...........................................................................................

step 4: Add a switch ...........................................................................................................

step 5: Enjoy! ................................................................................................................

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Comments ...................................................................................................................
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intro: Make an Ultra Simple High Voltage GeneratorHave you ever wanted to build a high voltage devices to make sparks like Tesla Coils, Marx Generator, and so on.. But find it too compacted or difficult to build?

Well, this instructable is for you! It can make create a few kilovolts of static-like sparks, and best of all... You can make it with only two things to make it, a battery and simple mains transformer!

Before you continue, you should know a little bit of information about transformers, click here to find out.

Image Notes1. Push button switch.2. Transformer.3. 9v battery.4. Spark gap.

Image Notes1. Yay! A static-like spark!

Image Notes1. And another one...2. Sorry for the blurry picture.
http://en.wikipedia.org/wiki/Transformer


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step 1:Get the things!!Like I said, you need only two things to make it, well, actually, three things - some wires.

9 volt battery.Mains transformerWires

The mains transformer, you can find those in just about any mains powered electronic devices, like VCR's, stereos, and stuff like that, you can also use a wall wart if ywant. The best mains transformers you could ever use is found in digital alarm clocks.

Unfortunately, I burnt up all of my alarm clock transformers while ago... :( So I will have use a transformer from a VCR.

Image Notes1. 9v battery.2. Transformer from a VCR.

Image Notes1. Burnt up alarm clock transformers.

Image Notes

1. You can use wall warts i f you want.2. American wall wart.3. British wall wart.


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step 2:Wire up the transformerOkay, before we attach the wires to the transformer, you need to take a look at it first...

The two leads of the transformer that are connected to the mains power source, is the primary (the high voltage side), and the other two leads are the secondary (the voltage side).We are going to connect the transformer in reversed, I mean the pr imary (the high voltage side) of the transformer becomes "secondary" and the secondary (the lowvoltage side) becomes "primary".

So we are going to connect the battery on the primary (the low voltage side) of the transformer and we will get some sparks from the secondary (the high voltage side)

Right, attach the wires to the transformer!

Image Notes1. I had already put some wires on a while ago. Those wire are going to beconnected to the battery.

Image Notes1. More wires added.2. Low voltage side.3. High voltage side.

step 3:Connect to battery and have fun!Connect either one wire from the primary (the low voltage side) to one terminal of the battery (don't worry, you can connect it any way round). Then bring two secondawires (the high voltage side) very close to each other (about 2 mm) and then tap the other primary wire to the other terminal of the battery.

And then, you should see sparks on the ends of the secondary wires, and you may hear a lit tle "snap" too!


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Image Notes1. Tap this end of the wire too.....2. ....this battery terminal and.....3. ....you will get a small sparks!4. I put some tape on the the terminal to hold down the wire.


Image Notes1. And another one...2. Sorry for the blurry picture.

step 4:Add a switchInstead of tapping the wire to the battery which can be a bit difficult, you can add a push-button (don't use the push-lock switch) switch into the circuit if you like...


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Image Notes1. Push button switch.2. Transformer.3. 9v battery.4. Spark gap.

Image Notes1. Push button switch.

step 5:Enjoy!Well, I hope you find this instructable useful to you, and if you need help or have some questions, or found a error, please make a comment! I like comment! :)


Image Notes

1. And another one...2. Sorry for the blurry picture.


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Image Notes1. Tesla coils, it is something that most of us want to build... (Credits toTesladownunder)

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Comments50 comments Add Comment view all 150commen

MiitheWiisays: Dec 1, 2008. 7:00 PM REPif you leave it on, will the spark stay on. i mean like if you were to hold down the switch instead of tapping it.

Berkinsays: Apr 1, 2009. 8:07 AM REPThat only happens if the current going through the low-voltage side of the circuit is oscillating.If it were a constant DC current, you would only get a momentary spark when the primary discharges into the secondary as soon as you release theswitch.

miiwiisays: Jan 1, 2009. 5:16 PM REPsorry did'nt think it through I do that occasionally

Elipsitsays: Dec 3, 2008. 6:44 AM REPNo, that wouldn't work because the reason the transformer works is because of alternating current. Electricity is created by an magnetic f ield thatalternated back and forth causing an electron flow. if you just hook it up to the battery and leave the button on then it will create one high voltage pulsefrom the initial magnetic field but since it doesn't change there will be no voltage continued after that first pulse. that is why you need AC power fortransformers.

I Suggested a 555 timer because it alternates and would be good to trip a transistor or relay to act like pressing a button really fast.

The primary coil in the transistor creates a reverse current feed back after you stop applying power to it so i keep frying the transistor even with a diodethe end.

Does anyone know how to make this work better because it is a great idea to step up voltage.
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junits15says: Dec 2, 2008. 2:15 PM REPit actully wont, im not sure why, but ive built one and it dosnt waork that way.

uberdum05says: Mar 22, 2009. 6:23 AM REPI did this with a signal generator, it only outputs 8 V. The secondary was rated for 9 V, primary 230VAC. The output was 123 V, with VERY little current, Itried hooking up a standard red LED up to it and it didn't light up.

wedjloksays: Feb 22, 2009. 12:53 AM REP

Another idea to use instead of a 555 is to wire, in series, a small DC motor with the battery to the transformer. These are the types of small motors that areused in tape players, VCRs, etc.

This is also a method that is used with ignition coils, and acts to interrupt the voltage going into the coil, thereby pulsing it somewhat and getting a constantpulsing output from the secondary.

Just a thought if you don't want to use a timer circuit, or just want to hook something up fast an easy.

pyrohazsays: Feb 16, 2009. 4:34 PM REPI dont understand how you got such high voltages i mean if that transformer was a 120v to 12v transformer from a VCR, thats a ratio of 10 so at maximumefficiency, the max voltage you could get is 90v from the dc pulse. Does this work on a collapsing field or something like that?

The 4th Doctorsays: Feb 11, 2009. 10:21 PM REPi wounder well this would work with a cfl ballast

ill post results (if there good)

The 4th Doctorsays: Feb 11, 2009. 11:22 PM REPThe results weren't good yet i post them(gasp)

burnt out another cfl ballasti wounder what keeps poping in those things

ovansays: Feb 11, 2009. 9:06 PM REPi did it but after taping the wire to the 9 volt battery a few times the sparks stopped, the battery hasn't been used.

joinaqdsays: Jan 29, 2009. 5:17 PM REPis there way to put a transistor so it continiously makes the spark without stopping?

Plasmanasays: Feb 5, 2009. 9:39 AM REPYes, but it is only possible to use one transistor for a center tap transformer. And it works, but the transistor dies from voltage spikes very quickly and ifuse a diode to protect the transistor, the transformer does not generate high voltage spikes anymore, just a few hundred volts...

knoxaramasays: Feb 8, 2009. 3:57 PM REPi have a center tap transformer. I hooked it up and it doesn't work. i only get sparks from rubbing the wires, or get a light to shine for 1/10 of a seconuntil i have to press the switch again, but there is no spark.

joinaqdsays: Feb 5, 2009. 5:25 PM REPa few hundred volts is pretty good man!!!do you have the schematic?

cris1133says: Feb 4, 2009. 5:42 PM REPis there way way to make this work with a marx generator?

Plasmanasays: Feb 5, 2009. 9:35 AM REPUnfortunately not.
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the_mad_mansays: Dec 10, 2008. 11:16 PM REPi thought that transformers could only run on AC....

Plasmanasays: Dec 11, 2008. 2:34 PM REPThat is true, transformers can run on AC and pulsed DC, but never continuous DC...

electfiresays: Jan 31, 2009. 6:31 PM REPactually they can run on continuous DC (kind of) as in audio amplifiers. btw I built an AM radio transmitter using only a audio transmitter and a crystoscillator and a 9 volt battery some day I will post it here.

Plasmanasays: Feb 1, 2009. 6:31 AM REPHaha, I had build an AM radio transmitter what you said, unfortunately, the crystal oscillator gives of 49MHz, not much to interfere the radio...

electfiresays: Feb 4, 2009. 6:19 PM REPi belive mine was 1.8 Khz I know it was some where in the AM spectrum

the_mad_mansays: Dec 11, 2008. 9:34 PM REPso if you want a HV supplyyou need a oscillator or some kind RC circuit in there

bactacsays: Jan 12, 2009. 6:25 AM REPThis is an induction coil. I put a capacitor in parallel with the switch, and the output voltage was higher (I got the same spark of your pic using a 5V input ansetting a 1kV 12nF film capacitor)

Also, it would be possible to get even higher voltages if you put more transformers in series with other transformers, or am I wrong?

sparkfishsays: Jan 29, 2009. 6:16 AM REPYou need to put the Primary circuits in Parallel and Series the Out puts

rippinblaisesays: Jan 24, 2009. 10:48 PM REPinstead of tapping a button, use a 555 timer ICit pulses and is adjustable with a knob/potentiometerit's alot easier and can give you a fairly constant spark if you use the right circuit to flash very fast

Meigussays: Jan 24, 2009. 11:39 AM REPI think I have a great tip for you:

Get one of those battery-powered handheld flourescent tubes (the kind they use for blacklights that see stains on fabric) and use that with the transformer.

Very dangerous, but the 6 volts in for the lamp thing generates an alternating 20-30 volt current out for the lamp. Just hook up the transformer, and if it's a12-120 you'd get 200-300 volts, 12-240 you'd get 400-600, and even worse if it was like 3-120 volts. (end up being 1200-1500 volts) You can get the 12-12or 12-240 probably at radioshack for less than $10 or cheaper online

Even easier, get a wall pluggable air ionizer (desk-top size). They're like 20 bucks or cheaper online, and they have a high voltage transformer in them, soyou can just plug it into a wall and get a constant spark out for whatever

enisdogrusays: Oct 27, 2008. 6:12 PM REPthis is like a lightning, isn't it?is there any harmful side of this gadget?

like an elektric shok for human body

Plasmanasays: Oct 28, 2008. 3:24 PM REPyeah, it is really a tiny lighting...

And it give a painful shock.

Berkinsays: Jan 9, 2009. 8:41 AM REPTry hooking up 2 9-volt batteries in parallel, then connecting thatthrough the switch to the transformer... MUCH BIGGER SHOCK!!!!!!!!
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cd41says: Jan 5, 2009. 5:55 AM REPprobably more than my 3v cell battery? probably nothing i couldn't handle i stuck my hand in an (turned on) light socket and that just made me haveto pee

Padlocksays: Jan 6, 2009. 7:28 PM REPI've seen a different version of this, but instead of pushing the button over and over again to get the pulsed DC, he used a file and a nail to create the pulseDC much easier. And at a higher frequency.

grantdevinesays: Jan 5, 2009. 5:10 AM REPAre these transformers in all elecrical appliances? Because I have a lamp with no base and an old microwave but no spare VCR's XD

naroseresays: Jan 2, 2009. 7:52 PM REPCan this work with a rotary transformer I got from an VCR. It has 5 pins and idk where to put the wires.

scorchersays: Dec 25, 2008. 5:55 AM REPwich side is low and wich side is high?

scorchersays: Dec 27, 2008. 6:43 AM REPplz respond i need help!

scorchersays: Dec 27, 2008. 6:56 AM REPhere is what it loks like

scorchersays: Jan 1, 2009. 5:54 PM REPbtw this came out of a tv with the wires already like this...

Kitemansays: Jan 1, 2009. 3:15 PM REPConnect your battery to the side with the smallest number of turns of wire on the coil.

scorchersays: Jan 1, 2009. 5:54 PM REPhuh? i cant tell because theres paper around the coils, or am i understanding something wrong? sorry im better with mechanics thanelectronics...

Kitemansays: Jan 2, 2009. 1:05 AM REPIn that case, I would simply try connecting it both ways round - you won't damage anything.

Hold or fix the wires from one side close together (just a millimetre or two), and touch the battery to the other wires. If you get a smallspark, you've got it the right way round.

scorchersays: Jan 2, 2009. 6:56 AM REPty it worked!
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11/11

http://www instructables com/id/Make an Ultra Simple High Voltage Generator/

Plasmanasays: Jan 7, 2009. 6:51 AM REPSorry that I did not help you, I did not have time! :-(

scorchersays: Jan 7, 2009. 3:39 PM REPthats okay i got it working anyway! lol

Berkinsays: Apr 1, 2009. 8:04 AM REPIf the primary and secondary coils are stacked on the same core, you could just look to see which coil is bigger. The biggcoil would be the high-voltage end.

Kitemansays: Jan 2, 2009. 9:26 AM REPYou're welcome.

ushirmaharajsays: Dec 16, 2008. 10:13 AM REPhow many volts does it create and can I charge a leyden jar with it .

btw great instrutable

scorchersays: Dec 11, 2008. 2:53 PM REPwould this have a continuous spark or a quick pop?

plcrulessays: Oct 4, 2008. 3:53 PM REPhey can u explain to me how u put that on a marx generator? wat wires go were

atariansays: Dec 10, 2008. 7:19 PM REPthis does not create a high enough voltage for a marx generator

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Make an Ultra Simple High Voltage Generator