Make your own tesla coil part 3 playing music, feedback. It has several advantages over the more common spark gap tesla coil. This coil uses a specialized transformer called a resonant transformer, a radiofrequency transformer, or an oscillation transformer. Tesla coil design, construction and operation guide. New things is a full bridge of irfp460 mosfets, audio modulation, shielded drivers and a new casing. Hv ignition coil driver using 555 schematic com imagens. Now i moved pot2 and placed an opamp circuit shown in picture below. An ignition coil driver is simply a high current dc pulse generator. This weekend i wound by hand, of course my first proper tesla coil secondary. So let us understand how it works and learn how to build it. The first is the lowvoltage logic control and gate driver. See more ideas about tesla coil circuit, tesla coil and diy electronics.
Unlike a conventional dampedwave tesla coil, the solid state tesla coil is capable of producing considerable amounts of sustained rf power. With added feedback protection it is ideal for, transformer drivers, ignition coil circuits and. Simplest tesla coil circuit using transistor gadgetronicx. Introduction this is a modified version of the first sstc i built, the kaizer sstc i. Invented by the brilliant scientist nikola tesla 18561943, the tesla coil is a highvoltage, highfrequency power generator. I hope this guide will serve as a comprehensive stepbystep reference with easy to follow instructions.
The following driver changes its frequency based on what the antenna gets from the tesla. A tesla coil is an electrical resonant transformer circuit designed by inventor nikola tesla in 1891. It assumes that you have read the previous section about the load presented by a tesla coil to the driver. Ignition coils are a type of induction transformer based on the tesla coil invented by nikola tesla in 1891. The main component in this circuit is the secondary coil golden colour, which is made by winding a magnetic wire enamelled around a cylindrical object any non conductive object will work. The basic circuit of a 14 wave resonant tesla coil is shown above. The tesla coil will work in either configuration, but due to. High voltagecurrent half bridge driver using ir2153. The combination of the twocoil driver and third coil resonator adds another degree of freedom to the system, making tuning considerably more. The voltage rise is not given by the turns ratio like in a standard transformer, but is proportional to the rate of change.
Finished zvs tesla coil power boost high voltage generator drive plate induction heating module production this is the design of a foreigner. The tesla circuit consists of a pulse generator, a driver circuit, and a highvoltage transformer. Solid state coil driver theory richies tesla coil web page. Again it depends on your circuit, driver and other things like coil dimensions. About a month ago i read where someone was using a stun gun to launch potatoes.
This is a basic tesla coil schematic click the image to enlarge. A tesla coil is a radio frequency oscillator that drives an aircore doubletuned resonant transformer to produce high voltages at low currents. The tesla coil is one of nikola tesla s most it takes the output from a 120vac to several kilovolt transformer driver circuit and steps it up. Solid state tesla coils, in their earlier stage see my old projects were basically just a power amplifier driving a secondary coil at resonance.
The solid state tesla coil is a device which is capable of producing extremely high voltage, high frequency and low amperage alternating current electricity. I dont want to make anything i dont understand and although i understand basic tesla coil working principles there are some questions left unanswered. The tesla coil is an air coiled transformer which gives high frequency current and voltage output. Older schematics sometimes invert the location of the spark gap and the primary coil. At full voltage of1700 v, the power dissipation on each side is p v2 r 17002 70000 41 w 1 or about 20 w per resistor. How could it be, that this board is able to drive a mosfat. If youre using a rotary spark gap, simply replace the static gap the wiring is the same. This mini tesla coil circuit is very simple and just works with a help of 9v battery and very few commonly available electronic components, which makes it is very easy to build fingers crossed. This is the most efficient circuit and has the longest oscillatory decay. Vacuum tube tesla coil vttc schematic interpretation. It can be assembled in a few hours with minimal electronic skills. I have built a very similar driver circuit for my tesla coil, and it works ok, but i am getting relatively small sparks and the mosfets seem to be heating up quite a bit at only 10% duty cycle, 330volt bus and active cooling. Below is a diagram of the realworld wiring of this circuit, with the addition of a strike rail see primary coil section for details.
Firstly, the base of the secondary became very hot due to the high rms current flowing through the fine wire. This part creates the signals to drive our inverter half or full bridge. This is an extremely dated article written in high school. This driver will drive the high voltage power supply, but will not run the tesla coil directly. The given circuit is, in fact, a little slayer exciter one simple solidstate alternative of the tesla coil. Using some 26 gauge wire, i wrapped about 6 turns to form the primary coil inductor l1 in the circuit. The above is a stylized schematic of the onetesla driver.
Music, magic and mayhem with tesla coil electroboom. Tesla coil 2 building electrobooms sstc driver tesla coil 2 building electrobooms sstc driver. I eventually put the project in a box and forgot all about it. How to use zvs driver to power tesla coils primary. Drsstc driver guide onetesla diy tesla coil kits home page. This project was successfully completed in mid 20 after about half a year of development, and i hope it will be a valuable resource for many coilers around the world. Hi, i know this is a quite an old article, but i would like to ask a question about the driver. This is achieved two variable voltages of varying intensity and distance. Like all tesla coils, a solid state tesla coil sstc is a type of high frequency resonant transformer which can step up a low voltage dc input into a very high frequency ac output. My tesla coil driver is a single resonant solid state driver. Tesla s original circuits as well as most modern coils use a simple spark gap to excite oscillations in the tuned transformer. They can also be used in tuning and optimizing larger units at reduced voltage and power. Tesla coil circuits, schematics or diagrams are very dangerous. The tesla coil is one of nikola tesla s most famous inventions.
Chapter 7 tesla coil driver 73 finally, resistors r1 were added to discharge the capacitor bank. How to build a solid state tesla coil sstc 2 by loneoceans labs. The most common method for switching power into the resonator is a halfbridge or fullbridge of transistors typically mosfets or igbts for their high power capabilities. If you want to build a solid state tesla coil, thats a whole different project and i dont believe it can be done just with this driver. Im quite new to the tesla coil stuff and i want to build a vttc form a gu81 tube. Design of solid state tesla coil using 555 timer and irfp460n. This is one of the simplest and easiest circuit design, with just a few simple parts, youll be creating your own mini tesla coil. A tesla coil is an electrical resonant transformer circuit designed by inventor nikola tesla in. In this electronics project, we will make a simple tesla coil circuit with a 2n2222 npn transistor. It is used to produce highvoltage, lowcurrent, high frequency alternatingcurrent electricity. Design of solid state tesla coil using 555 timer and. R1, r2, and r3 form a resistor network that ensure that the coil can be tickled into operation by just. J2 is an audio jack, or in my case i just cut a broken headphone.
This page documents the design, construction, testing and results of drsstc 2 my highest performing and most impressive tesla coil to date. I have seen tesla coils built using zvs drivers and bucket capacitors, though as you say its not very efficient and there is a chance of it causing the tesla coil to operate very poorly. Resistors r1 and r2 determine the time duration that the output at pin 3 is off, while r3 and. One of the simplest ways to make a battery powered high voltage power supply is to use a common car ignition coil. It also seems accurate to me to call it a continuous wave type driver, as it drives the primary with a continuous ac voltage although not a clean sine wave. The circuits that make the tesla coil work at the correct. This schematic was modified from the original designs of steve wards sstc 5 schematic, whose contribution to the tesla coil community has been immense. Which means that we are bound to select specific l and c values for primary coil, so that when it resonates its resonant frequency should be same as secondary resonant frequency. The circuit is provided with few extra components which may be used as per application requirement other components can be omitted as stated in bom note 2. Drsstc 2 a compact and powerful musical tesla coil. Mazilli zvs flyback driver kaizer power electronics. Power mosfets are quite suitable for driving small resonant transformers and tesla coils at frequencies up to about 200 khz. A flyback drive circuit, which is used to drive the ignition coil, as did the zero voltage switching, masses of fans called them zvs circuit.
Because of its big power, low heat, simple and reliable by fans are widely used in the drive spark gap tesla coil. The pulse generator, a 555 timer lc1, is organized to run in its astable mode to generate a continuous pulse train. Whats even more entertaining than using a tesla coil. If we figure how to get a high voltage we can transmit energy through the air we get a tesla coil. The coil design is a relatively simple air core transformer. We will only discuss the conventional tesla coil, consisting of a spark gap and two tank circuits and called spark gap tesla coil sgtc.
The original designed used an antenna feedback and dual ucc mosfet drivers for the gdt, and a 555 interrupter. It is not too complicated, unlike its bigger brother the tesla magnifier. Zero voltage switching tesla coil flyback driver for sgtc. But let us discuss about the fps4n evaluation board schematic.
Tesla has opened up its parts catalog for all of its production vehicles past and present this week via a new web portal the new catalog contains listings for the original 20122016. One of the best portable tesla coils out there is this mini acrylic version by daniel eindhoven, aka teslacommander. At one point in time, tesla coils were actually used for things like wireless telegraphy and electrotherapy, but as technology advanced, they shifted to a slightly more enjoyable purposeentertainment. As mentioned, the secondary circuit is a coil of wire, one end of which is grounded, and the other end is connected to some kind of topload metallic volume at the top of the tube. Ive tried it out on several spud guns and it works quite well. By following this guide you can build a tesla coil capable of generating over 4 arcs of lightning. The guide will begin with a basic introduction to tesla coils, how they. Tesla designed it to broadcast wireless electricity, but due to. It can transfer wireless electrical power to the cfl in no time lets make. C8 1kpf, r57k5 and pr150k provide frequency span 12 khz to 100 khz.
For the secondary coil inductor l2, i used the enamel coated wire and the pvc pipe. The same circuit can also be used with a traditional teslacoil structure with a vertical coil and toroid. Because of its big power, low heat, simple and reliable by fans are widely used in the drive spark gap tesla coil sgtc and jacob, ladders, marx generator, etc. For clarity, it omits the decoupling capacitors, indicator leds, and power supplies. The tesla coil tuner tct is a simple and low cost signal source that can be used to find the resonant frequencies of the primary and secondary circuits of tesla coils. The secret of wireless energy lies in breaking the dielectric of the air. The operation is simple the 555 is wired as an astable and the capacitor is charged only through the 4,7kohm trimmer notice the diode and discharged only through the 2. In search of something simpler, i turned back to our old friend the gate drive transformer gdt. The voltage rise is not given by the turns ratio like in a standard transformer, but is proportional to the rate of change of current in the primary circuit. From my recollection, it delivers a nastier spark than the legendary ford model t ignition coil. The mazilli zvs flyback driver is wellknown throughout the high voltage community for its simplicity and ability to deliver 2050 kv at high currents for a flyback transformer i build this circuit almost a year ago on a vero board, but it kept blowing the thin traces due to high currents flowing. There are a handful number of people who have tried this project already and have failed to obtain the result. The following tiny tesla coil circuit requires a few components and demands only average skills to build it from scratch.
Simply put, a normal solid state tesla coil sstc is simply a power amplifier driving a primary coil at the resonant frequency of the secondary coil. My primary requirement for the control circuit was that it shall lock on to the resonant frequency of the secondary coil. The hv supply comes from the nst and the tank cap is a mmc in. The circuit diagram of mini tesla coil project given below is very simple. I was able to power a small 20cm spark gap tesla coil using these dc rectified flybacks to charge primary tank capacitor. Slayer exciter circuit with a tesla coil electroboom. This is the detail of how to design a good solid state coil driver. Welcome to the tesla coil design, construction and operation guide. New drsstc driver 2008 and now 2009 updated 7609 see dated updates below having built a few drsstc drivers using igbt bricks, i realized what a pain it was to build the large gate driver circuit i had previously developed.
Drsstc driver guide the above is a stylized schematic of the onetesla driver. It uses the same secondary, topload and driver board. The 555 timer ic1 runs in its astable mode, producing a continuous pulse train. Choosing a tank capacitor for my tesla coil electronics. May 21, 2017 in this third part of the series i will show you how to play music with your tesla coil, how i improved the igbt driver circuit so that it wastes less power, how to include a feedback circuit that. Frequency span is determined by ct capacitor c8 and trimmer pot value, refer to datasheet for appropriate value for required frequency span. Design of solid state tesla coil using 555 timer and irfp460n mosfet soumyadeep sarkar department of electrical and electronic engineering eee, kurukshetra university, kurukshetra abstract. A tesla coil is an electrical resonant transformer circuit used to produce high voltage, lowcurrent. The main difference between a sstc vs a sgtc is that the sstc has no spark gap an instead uses modern transistor technology to switch the current in the primary coil. There are many possible configurations for the solid state driver, but the following sections describe the behaviour of a simple halfbridge. The basic purpose of a drsstc driver is to generate the drive signals for the inverter, synchronized with the zero crossings of the primary current. Many alterations were done to the original design to increase the efficiency and usage of the device. I just made a slayer exciter circuit for a tesla coil i made, and i wanted to use this circuit to beef it up but i have some questions about the schematic.
Chapter 7tesla coil driver 73 finally, resistors r1 were added to discharge the capacitor bank. The primary coil is connected to the power source and the secondary coil of a transformer is coupled loosely to ensure that it resonates. Disclaimer for liability it is important to state that the use of this circuit is at your own risk. It is essentially a highfrequency aircore transformer. Finally the driver circuit should also power the circuit at resonant frequency of the primary coil, which intern will be in resonance with the secondary coil.
An alternate option which i would prefer over a bucket capacitor is an array of beer bottle capacitors. Infact, nikolateslaalsoconceived amoreadvancedtypeof coil, the magnifying transmitter, which is made of three coils instead of two and which operates in a slightly morecomplicatedmanor. There is nothing that the coil should be wrapped around. First, note that there are a handful of hobbyists who have tried this idea already and have failed to get good results just because of a few subtle mistakes that usually occur. The coolest thing about this project is its simplicity. The circuit uses an inverted 555 oscillator that is coupled to an on semiconductor bu323z darlington transistor 350v, 10a that drives a conventional inductive discharge ignition coil. Tesla coil lighters usb rechargeable windproof arc lighter 1. Tesla experimented with a number of different configurations consisting of two, or sometimes three, coupled resonant electric circuits tesla used these circuits to conduct innovative experiments. His original intention for the device was to create a wireless energy distribution system.