Tesla coil driver circuit

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. The created magnetic field drives the secondary coil 275 turns of the transformer and generates a voltage. Gate drive design onetesla diy tesla coil kits home page. 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. My first tesla coil mosfet version silicon junction. Thats due to the selfcapacitance of the coil with respect to ground. 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. 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. Diy mini tesla coil kit 15w mini music tesla coil plasma speaker tesla wireless transmission dc 1524v dingdong store tesla a 3. 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. There are a handful number of people who have tried this project already and have failed to obtain the result.

The video shows the very first tests, without any tweaking. The given circuit is, in fact, a little slayer exciter one simple solidstate alternative of the tesla coil. 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. Solid state coil driver theory richies tesla coil web page. Tesla coil design, construction and operation guide. 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. Basically, it turns an led on or off, and sends this via fiber optic to the driver. 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. 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.

It assumes that you have read the previous section about the load presented by a tesla coil to the driver. 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. 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. It can be assembled in a few hours with minimal electronic skills. This is the detail of how to design a good solid state coil driver. Tesla coil not working trouble shoot advice needed all. For example, the maximum capacitance that is connected directly at 5v has a maximum of 10. Ignition coils are a type of induction transformer based on the tesla coil invented by nikola tesla in 1891. The bottom 2n3904 is just a switch to turn on or off the predriver. The onetesla 10 coil employs a doubleresonant topology, hence the name doubleresonant solidstate tesla coil, or drsstc.

High current and high voltage igbts are used to serve high power requirements. Essentially, the tesla coil is two open electric circuits connected to a spark gap. 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. 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. Now i moved pot2 and placed an opamp circuit shown in picture below. You already have a zvs timedresonant circuit for your sold state tc side, so why add a spark gap tc on its output. Music, magic and mayhem with tesla coil electroboom. A solid state tesla coil is made by four main parts. The circuit uses an inverted 555 oscillator that is coupled to an on semiconductor bu323z darlington transistor 350v, 10a that drives a.

If youre using a rotary spark gap, simply replace the static gap the wiring is the same. Using some 26 gauge wire, i wrapped about 6 turns to form the primary coil inductor l1 in the circuit. A tesla coil is an electrical resonant transformer circuit used to produce highvoltage, lowcurrent. 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. A tesla coil is an electrical resonant transformer circuit designed by inventor nikola tesla in 1891. I eventually put the project in a box and forgot all about it.

I have duplicated your timer circuit including the snubber and all. High voltagecurrent half bridge driver using ir2153. A tesla coil is an electrical resonant transformer circuit used to produce high voltage, lowcurrent. Because of its big power, low heat, simple and reliable by fans are widely used in the drive spark gap tesla coil. The first is the lowvoltage logic control and gate driver. The tesla circuit consists of a pulse generator, a driver circuit, and a highvoltage transformer. In a drsstc, the circuit driving the secondary lc circuit is another lc circuit, tuned to the same resonant frequency. There is nothing that the coil should be wrapped around. From my recollection, it delivers a nastier spark than the legendary ford model t ignition coil. Here is the final version of a 555based ignition coil driver i built. 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. 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 sstc driver circuit shown here uses a small piece of wire antenna to pick up a feedback signal directly from the secondary electric field.

Low power and lowfrequency pulse nature of this circuits output limits its uses. The impedance is always higher at any other operating frequency due to the addition of the reactive components. The schematic we are using was made by steve ward, and belongs to him. 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. This weekend i wound by hand, of course my first proper tesla coil secondary. One side is connected to ground, high voltage comes through the other side. Drsstc 2 a compact and powerful musical tesla coil. 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 coil design is a relatively simple air core transformer. Chapter 7tesla coil driver 73 finally, resistors r1 were added to discharge the capacitor bank. The tesla coil is modelled as a series lcr circuit as explained in the previous sections. Currently im working on a zvs and thought, that itd be nice if it could sing like your tesla coil. This post is a followup with a more advanced and much more powerful version of the slayer exciter. Solid state tesla coils, in their earlier stage see my old projects were basically just a power amplifier driving a secondary coil at.

A tesla coil is an electrical resonant transformer circuit designed by inventor nikola tesla in. Older schematics sometimes invert the location of the spark gap and the primary coil. The circuit opposite shows a halfbridge arrangement consisting of two switches, driving the base of a tesla resonator at precisely its natural resonant frequency. 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.

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. It is used to produce highvoltage, lowcurrent, high frequency alternatingcurrent electricity. 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. J2 is an audio jack, or in my case i just cut a broken headphone. Jul 10, 2014 an outside source hooked up to a transformer powers the whole system.

This is the most efficient circuit and has the longest oscillatory decay. 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. The following driver changes its frequency based on what the antenna gets from the tesla. 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. This is a basic tesla coil schematic click the image to enlarge. How to use zvs driver to power tesla coils primary. High frequency solid state tesla coil hf sstc pocketmagic. In order for the tesla coil to work it needs a high voltage power supply.

Therefore the coil will draw maximum current from the driver when driven at fres. It is essentially a highfrequency aircore transformer. Tesla experimented with a number of different configurations consisting of two, or sometimes three, coupled resonant electric circuits. This driver will drive the high voltage power supply, but will not run the tesla coil directly. 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.

Solid state tesla coils, in their earlier stage see my old projects were basically just a power amplifier driving a secondary coil at resonance. Design of solid state tesla coil using 555 timer and irfp460n. 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. 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. It might sound a bit confused, but let us proceed with the circuit diagram where things will be made much clear. 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. The centre of this coil is where the secondary coil is placed. Mazilli zvs flyback driver kaizer power electronics. This is a really interesting driver due to its simplicity. The solid state tesla coil is a device which is capable of producing extremely high voltage, high frequency and low amperage alternating current electricity. 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 impedance zload at resonance is the lowest impedance that the tesla coil can ever present to the driver. Voltages can get to be well above 1,000,000 volts and are discharged in the form of. 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. The tesla coil is one of nikola teslas most famous inventions. 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. This circuit attempts to address a couple of the issues with the slayer exciter. There are many possible configurations for the solid state driver, but the following sections describe the behaviour of a simple halfbridge. In the tesla coil, a spark breaks out and discharges the circuit once the voltage is high enough. How to build a solid state tesla coil sstc 2 by loneoceans labs. I developed the interrupter based on daniels and bayleys opensource midi controller. The secondary of the tesla coil, when directly driven by a solidstate driver, appears like a series rlc circuit. 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. It is used to produce high voltage, low current, high frequency alternatingcurrent electricity. This circuit is a relatively simple circuit as far as tesla coils go, and is a good place to. It is actually a white pvc pipe covered by a lot of enameled wire. Zero voltage switching tesla coil flyback driver for sgtc.

It has several advantages over the more common spark gap tesla coil. 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. Design of solid state tesla coil using 555 timer and. 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. Because the teslacoil is usb powered, there are special requirements to the circuit. Each switch is closed in turn for half of the total switching cycle. Igbt based half bridge board has been designed for multiple applications, like induction heater driver, tesla coil driver, dcdc converters, smps etc. The gate charge of a power device can ranged from a few nanocoulombs to several microcoulombs, corresponding to capacitances up to the microfarad range. They can also be used in tuning and optimizing larger units at reduced voltage and power. You already have a zvs timedresonant circuit for your sold state tc side, so why add a. See more ideas about tesla coil circuit, tesla coil and diy electronics.

The 12v input can reach 50100w power, 24 v input max can reach more than 200w, so request power supply current. The 555 timer ic1 runs in its astable mode, producing a continuous pulse train. In the tesla coil, a spark breaks out and discharges the circuit once the voltage. Power mosfets are quite suitable for driving small resonant transformers and tesla coils at frequencies up to about 200 khz. General description and circuit operation this is an efficient flyback driver for modern cylindrical rectified television flybacks. An outside source hooked up to a transformer powers the whole system. The tesla coil is one of nikola tesla s most famous inventions. This part creates the signals to drive our inverter half or full bridge. Hv ignition coil driver using 555 schematic com imagens. The first tests seemed promising, however the breakout needed to be instantiated manually using a screwdriver. The capacitance is normally very small with the inductance being fairly large.

There are not many any that i found instructions to make a flyback powered tesla coil. I spent a lot of time for finding resonant frequency around 15khz and dutyread more. The combination of the twocoil driver and third coil resonator adds another degree of freedom to the system, making tuning considerably more. The interrupter as described above sends a 1 bit signal to the tesla coil driver. Tesla coil 2 building electrobooms sstc driver tesla coil 2 building electrobooms sstc driver.