Tesla coil driver circuit

I have duplicated your timer circuit including the snubber and all. A solid state tesla coil is made by four main parts. Tesla experimented with a number of different configurations consisting of two, or sometimes three, coupled resonant electric circuits. 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. Gate drive design one important parasitic in power electronics is the parasitic capacitance formed by the gate metal layer, the gate oxide, and the body of the transistor. A tesla coil is an electrical resonant transformer circuit used to produce high voltage, lowcurrent. I eventually put the project in a box and forgot all about it. You already have a zvs timedresonant circuit for your sold state tc side, so why add a. It assumes that you have read the previous section about the load presented by a tesla coil to the driver.

If youre using a rotary spark gap, simply replace the static gap the wiring is the same. This circuit is a relatively simple circuit as far as tesla coils go, and is a good place to. 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. High voltagecurrent half bridge driver using ir2153. 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. 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. Tesla coil not working trouble shoot advice needed all.

A tesla coil is an electrical resonant transformer circuit designed by inventor nikola tesla in. There is nothing that the coil should be wrapped around. The following driver changes its frequency based on what the antenna gets from the tesla. The impedance is always higher at any other operating frequency due to the addition of the reactive components. In the tesla coil, a spark breaks out and discharges the circuit once the voltage is high enough. Charging andrea, i will try that, my tesla coil is indeed a dc coil, my imput voltage on the driver is far higher than 12 v close to 50vdc and i am probably overvolting the input, but i will fix that with one of the 12v windings on my xfrmr so that the gate wil have about 15v dc and the tank will still have 40. Gate drive design onetesla diy tesla coil kits home page. 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 video shows the very first tests, without any tweaking. Jul 10, 2014 an outside source hooked up to a transformer powers the whole system. The circuit opposite shows a halfbridge arrangement consisting of two switches, driving the base of a tesla resonator at precisely its natural resonant frequency. Because of its big power, low heat, simple and reliable by fans are widely used in the drive spark gap tesla 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. Thats due to the selfcapacitance of the coil with respect to ground. The tesla circuit consists of a pulse generator, a driver circuit, and a highvoltage transformer. The solid state tesla coil is a device which is capable of producing extremely high voltage, high frequency and low amperage alternating current electricity. Low power and lowfrequency pulse nature of this circuits output limits its uses. It may be used for applications like insulation testing, or, if the output is rectified, small high voltage loads like lifters and perhaps even small tesla coils. Diy mini tesla coil kit 15w mini music tesla coil plasma speaker tesla wireless transmission dc 1524v dingdong store tesla a 3. A tesla coil is an electrical resonant transformer circuit designed by inventor nikola tesla in 1891.

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. Older schematics sometimes invert the location of the spark gap and the primary coil. There are many possible configurations for the solid state driver, but the following sections describe the behaviour of a simple halfbridge. I developed the interrupter based on daniels and bayleys opensource midi controller. This weekend i wound by hand, of course my first proper tesla coil secondary. 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. The capacitance is normally very small with the inductance being fairly large. Voltages can get to be well above 1,000,000 volts and are discharged in the form of. 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.

The coil design is a relatively simple air core transformer. The created magnetic field drives the secondary coil 275 turns of the transformer and generates a voltage. In order for the tesla coil to work it needs a high voltage power supply. Because the teslacoil is usb powered, there are special requirements to the circuit. Ignition coils are a type of induction transformer based on the tesla coil invented by nikola tesla in 1891. Essentially, the tesla coil is two open electric circuits connected to a spark gap. In this case little current flows through the freewheel diodes if the driver is tuned to a frequency below the resonant frequency of the tesla coil, the load current changes direction before the dead time. The sstc driver circuit shown here uses a small piece of wire antenna to pick up a feedback signal directly from the secondary electric field. 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 impedance zload at resonance is the lowest impedance that the tesla coil can ever present to the driver. P but if you use a computer power supply building mine now will update when. This one uses the ic to produce square wave pulses at a variable frequency, and applies the pulses to a 2n3055 transistor, which connects and disconnects the ignition coil to the power supply.

High frequency solid state tesla coil hf sstc pocketmagic. 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. Mazilli zvs flyback driver kaizer power electronics. General description and circuit operation this is an efficient flyback driver for modern cylindrical rectified television flybacks. The circuit suggested here using 9v battery, 2v2222a is the most common and easy circuit that can be used to build a tesla coil. The tesla coil is one of nikola teslas most famous inventions. See more ideas about tesla coil circuit, tesla coil and diy electronics. This post is a followup with a more advanced and much more powerful version of the slayer exciter. After the transistor turns on and drives current into the primary coil 3 turns of the transformer, the current is limited by the limited available base current. Ignition coil driver circuit a high voltage power supply one of the simplest ways to make a battery powered high voltage power supply is to use a common car ignition coil. The secondary of the tesla coil, when directly driven by a solidstate driver, appears like a series rlc circuit. The circuit uses an inverted 555 oscillator that is coupled to an on semiconductor bu323z darlington transistor 350v, 10a that drives a. This is the detail of how to design a good solid state coil driver.

In my previous post i discussed my build of the slayer exciter tesla coil and provided a few tips to make the circuit a little more robust. If the driver is accurately tuned to the resonant frequency of the tesla coil, then the load current will be near zero during the deadtime. The gate charge of a power device can ranged from a few nanocoulombs to several microcoulombs, corresponding to capacitances up to the microfarad range. The interrupter as described above sends a 1 bit signal to the tesla coil driver. This is a basic tesla coil schematic click the image to enlarge. The left side of the circuit with your flyback as the output is a solid state tesla coil the flyback with ferrite core aside and all not being a true tc, and the right side of the circuit is a spark gap tesla coil. The circuits that make the tesla coil work at the correct. I spent a lot of time for finding resonant frequency around 15khz and dutyread more. This is the most efficient circuit and has the longest oscillatory decay. The first is the lowvoltage logic control and gate driver. The sections that follow describe the nature of the load that a tesla coil resonator presents to the driver under various conditions, and the implications that this has on the design of the driver circuit. It is used to produce highvoltage, lowcurrent, high frequency alternatingcurrent electricity. Tesla coil design, construction and operation guide. Igbt based half bridge board has been designed for multiple applications, like induction heater driver, tesla coil driver, dcdc converters, smps etc.

It is essentially a highfrequency aircore transformer. Solid state coil driver theory richies tesla coil web page. This part creates the signals to drive our inverter half or full bridge. It is used to produce high voltage, low current, high frequency alternatingcurrent electricity. 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. Basically, it turns an led on or off, and sends this via fiber optic to the driver. An outside source hooked up to a transformer powers the whole system. It is actually a white pvc pipe covered by a lot of enameled wire. While looking for a circuit that will convert audio signal to square wave and then turning the mosfets on i remembered your video about tesla coil audio modulation, hence my question.

Design of solid state tesla coil using 555 timer and irfp460n. It can be assembled in a few hours with minimal electronic skills. The combination of the twocoil driver and third coil resonator adds another degree of freedom to the system, making tuning considerably more. For a tesla coil this conductor will be called as the secondary coil and the varying magnetic field will be produced by the primary coil by passing an oscillating current through the primary coil. 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. Using some 26 gauge wire, i wrapped about 6 turns to form the primary coil inductor l1 in the circuit. Design of solid state tesla coil using 555 timer and. There are not many any that i found instructions to make a flyback powered tesla coil. The onetesla 10 coil employs a doubleresonant topology, hence the name doubleresonant solidstate tesla coil, or drsstc. My first tesla coil mosfet version silicon junction.

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. 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. The tesla coil is modelled as a series lcr circuit as explained in the previous sections. In the tesla coil, a spark breaks out and discharges the circuit once the voltage.

The centre of this coil is where the secondary coil is placed. Music, magic and mayhem with tesla coil electroboom. The 12v input can reach 50100w power, 24 v input max can reach more than 200w, so request power supply current. There are a handful number of people who have tried this project already and have failed to obtain the result. Now i moved pot2 and placed an opamp circuit shown in picture below. The bottom 2n3904 is just a switch to turn on or off the predriver. You already have a zvs timedresonant circuit for your sold state tc side, so why add a spark gap tc on its output. Many sites doesnt provide circuits driving these transformers, they simply say that they are bad. The tesla coil will work in either configuration, but due to. It has several advantages over the more common spark gap tesla coil. The 555 timer ic1 runs in its astable mode, producing a continuous pulse train. A tesla coil is essentially an aircored, stepup transformer consisting of driver circuitry, a short thick primary winding and a distinctive tall secondary winding usually consisting of between 4001500 turns of thin wire depending on the frequency of the coil. High current and high voltage igbts are used to serve high power requirements.

This is a really interesting driver due to its simplicity. In a drsstc, the circuit driving the secondary lc circuit is another lc circuit, tuned to the same resonant frequency. The schematic we are using was made by steve ward, and belongs to him. A tesla coil is an electrical resonant transformer circuit used to produce highvoltage, lowcurrent.

This circuit attempts to address a couple of the issues with the slayer exciter. I will be shopping with you on thursday, either online or by phone if thats ok, there are some other parts i need that i couldnt find on your site. It might sound a bit confused, but let us proceed with the circuit diagram where things will be made much clear. 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. Currently im working on a zvs and thought, that itd be nice if it could sing like your tesla coil. From my recollection, it delivers a nastier spark than the legendary ford model t ignition coil.

They can also be used in tuning and optimizing larger units at reduced voltage and power. Drsstc 2 a compact and powerful musical tesla coil. How to use zvs driver to power tesla coils primary. 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.

The tesla coil is one of nikola tesla s most famous inventions. J2 is an audio jack, or in my case i just cut a broken headphone. Therefore the coil will draw maximum current from the driver when driven at fres. One side is connected to ground, high voltage comes through the other side. Here is the final version of a 555based ignition coil driver i built. 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.

Hv ignition coil driver using 555 schematic com imagens. How to build a solid state tesla coil sstc 2 by loneoceans labs. Chapter 7tesla coil driver 73 finally, resistors r1 were added to discharge the capacitor bank. Each switch is closed in turn for half of the total switching cycle. Some thought is also given to the effects of spark breakout and various drive methods for coupling power into the coil effectively. Tesla coil 2 building electrobooms sstc driver tesla coil 2 building electrobooms sstc driver.