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DRSSTC 4.2 User Manual

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1. ceecccceecceceeeeecaeeeeeceeeeeceaeeesseecesseueeeseaeeeseueeesaeeessaeeessees 12 Trouble SHO OUI escort dn linear dar an dientes 13 If a flash over IS 13 Arcing at the toroid 14 Power supply fault indications 14 TONNO Sr ada 14 E PP PC E 15 lt is advised that you read and understand all aspects of this manual before use Improper use of the device may cause personal injury death fire or criminal proceedings MTFX cannot be held responsible for any resulting losses as a result of using their product The user is solely responsible for the safety of themselves and others it is essential that they read and familiarise themselves with this document DRSSTC4 2 User Manual Product Description MTFX Brightarcs DRSSTC 4 2 is a musically modulated highly advanced double resonant solid state tesla coil This section briefly summarises how the device works Tesla coils operate using electrical resonance in which energy is transferred between magnetic field storage and electric field storage In the case of the secondary the magnetic field is created around the solenoid coil of the secondary windings and the electric field is stored as charge on the capacitance of the round toroid see Figure 1 The resonance occurs at the secondary resonant frequ
2. Coil Assembly section The power supply is wired up correctly NO The toroid is in the correct orientation on top of the secondary The breakout point is located properly iN The coil is stable and not likely to topple over There are no objects left adjacent to the coil or on the trolley N There is no sensitive equipment within 10m of the coil 00 There are no flammable objects within 3m of the coil There are no conductors that could pass current outside the exclusion zone There is no chance that a person or animal might approach the coil 10 Suitable warnings have been given to all others present 1 11 Suitable personal protective equipment has been supplied to the observers Essential tests before applying modulation refer to the modulator operating manual throughout this section The modulator should be disconnected from the optical lead and configured for TEST The IEC power lead should be connected to the power source and the switch closed in order to apply power to the power supply The LEDs should both turn on and after 1 second the fault red LED will turn off Connect the modulator to the optical lead This will cause the coil to pulse at relatively low power be ready to disconnect the modulator in case unexpected operation occurs The test mode should continue for at least 30 seconds during which time the operator should
3. as an effective way to limit the proximity of the audience to the coil Some sort of barrier must be in place to ensure people do not approach the coil Also note the required clearance above the device to reduce the chance of arcing to the ceiling The sound that the coil produces is extremely loud and can result in tinnitus after long exposure Ear protection is essential in some installations depending on the acoustics Always warn observers of the loud noises before switching the coil on to avold trauma Legalities THIS COIL PRODUCES INTERFERING ELECTROMAGNETIC RADIATION if operated outside a grounded cage enclosure In this case the device will be breaking the law according to broadcasting regulations in most countries However MTFX Brightarcs has not heard of a single incidence where legal action by the FCC or similar governing body has been taken Please remember this when dealing with complaints by amateur radio enthusiasts using old fashioned radio equipment who will be able to hear the coil on their radios over large distances Modern radio equipment such as WiFi Bluetooth GSM phones and communication radios are unlikely to be affected DRSSTC4 2 User Manual Coil Operation Tesla coils can be unreliable if improperly operated Please adhere to the following section to ensure safe reliable and long life operation Essential checks before operating Before applying power to the coil check the following referring to the
4. ready to operate once the pre checks and tests have been completed These are covered in the coil operation section ensure you read and comply with the safety guidelines Modulator connections The modulator is under continued development and the most up to date version will be shipped with the coil This section summarises the function of the modulator more detailed description will be given in the modulator manual The modulator connects to the end of the optical cable and consists of a microprocessor with an interface to the source of the modulation and an optical output to the coil The interface may be one or more of the following e Low impedance audio Sound card line out headphone output e High impedance audio Guitar or dynamic microphone levels e MIDI input Standard MIDI signal levels e USB MIDI input USB MIDI interface In addition the modulator will have a test mode used to check for correct coil operation before applying full power in order to prevent problems with flash over and other unpredictable operation DRSSTC4 2 User Manual Safety and Operating Considerations This section of the manual covers the safety risks that are present when operating a Tesla coil The operator should adhere to the following points which are explained in more detail throughout this section Essential operating guidelines Never unplug during operation this removes the ground connection N Never app
5. switch off modulation immediately to avoid damaging the secondary Locate and remove the cause and resume operation Occasionally a coil may be damaged by a flash over and removing the cause in this case will not fix the problem The coil will need repairing Flash overs should NEVER occur If even a small spark is observed near the base of the coil switch off and investigate the cause A special test mode is included with the modulator to test for flash overs before applying full power Arcing at the toroid interface The toroid contacts the coil by a copper contact located at the top of the secondary and arcing may result at this connection if there is a poor connection lt may be desirable to permanently affix the toroid to the coil and this can be done using an adhesive Power supply fault indications If there is a power supply fault it can be identified as follows RA A No power indicator on No power is present Check socket extension po O Power supply fan turns on The power supply has been Return to MTFX Brightarcs Fault LED does not turn off Over temperature or Allow to cool or check supply OST No sparks can hear quiet Missing breakout point bad Check coil set up modulation sounds connection or damaged coil No response from the coil at No optical connection link Check optical cable all and can see modulation connection for dirt pulses on optical link No modulation pulses The modulator is not
6. to electronics The high frequency AC electric field can pose a serious problem to other electrical equipment The AC field around the coil WILL cause damage to electronic devices such as Computers telephones alarm systems smoke detection systems televisions transmitting receiving equipment game consoles appliances and any circuit containing electronic components lt is recommended that the coil is operated away from these items by a separation of at least 10m The AC component will also travel along extension cables and through ring mains in buildings causing damage to devices at greater distances lt is recommended that sensitive devices are unplugged before operation Fire hazards The plasma created by the coil is extremely hot particularly when arcing to a grounded object Contact with a flammable material will cause instant flames In addition flammable gas will also be immediately ignited and operation near a potential gas source should be avoided Health hazards MTFX Brightarcs have found no evidence that observing the coil will cause injury People with sensitive eyes should be aware that the bright flashes my cause discomfort Furthermore PEOPLE WITH PHOTOSENSITIVE EPILEPSY SHOULD NEVER WATCH THE COIL DRSSTC4 2 User Manual There is no evidence that the high frequency electric field can cause damage to living tissue safe observation distance is 3m or more non conductive barrier around the coil can be used
7. to recreate the musical input The modulator can only try to approximate the musical input since the output will always be a pattern of loud clicks caused by the breakdown events MTFX Brightarcs has created the DRSSTC4 2 as a simple and robust way to demonstrate a musical DRSSTC DRSSTC4 2 User Manual Parts Included The DRSSTC4 2 is supplied as the 8 components shown in Figure 1 If any of these components is not included in the packaging then contact BREAKOUT POINTS gt IEC POWER LEAD Em OPTICAL SIGNAL CABLE SECONDARY WINDING PRIMARY WINDING MODULATOR AND CABLES 4 TROLLEY POWER SUPPLY P Figure 1 Coil components The kit consists of 1 x Toroid of lightweight aluminium ducting and polystyrene 1 x Trolley of lightweight MDF and plywood construction on plastic castors 1 x Pre assembled primary and secondary coil combination 1 x DRSSTC4 2 power supply 1 x 5m switched IEC cable with UK plug socket unless alternative requested 1 x 10m digital optical cable 1 x Digital modulator cables and batteries 3 x Breakout points of 2mm copper wire 1 x Documentation pack The parts supplied should not be exchanged for other similar parts because this could create a fire or electric shock risk The next section covers assembly of the coil components The modulator is under continuous development and a separate document will contain a det
8. THE INGENIOUS Pido MT FX HIGH VOLTAGE brightarcs power electronics DRSSTC 4 2 User Manual IT IS ESSENTIAL THAT YOU READ THIS DOCUMENT FOR SAFE AND RELIABLE COIL OPERATION REV 1 3 September 2013 DRSSTC4 2 User Manual Contents E 1 joo A 2 UA o a es os E 3 GO ASSembIV ee eee 4 COI OG AON 4 Co A 5 6 Modulator 7 Safety and Operating Considerations 8 Essential operating QUIJAelMes occcccccncnnccnnccccnonncnncnnnnncnnnnononanennnononnos 8 Wg fo 8 Interference and damage to 9 is 9 Health DazardS oooncccccoccncnncoconcnnccconcnnonooncnnnnnonnnnonnnnnnnononnnnononnnnnonenenins 9 e O o O AA 10 SONO 95 110 y nn 11 Essential checks before 11 Essential tests before applying 11 Considerations for extended operation 12 MAINTENANCE LE 0
9. ailed description of the modulator version supplied DRSSTC4 2 User Manual Coil Assembly Coil location Setting up the tesla coil has been made as easy as possible by the modular construction Choose a location clear from any objects which could catch fire or be damaged by the coil Ensure that the ceiling is 3m or more from the floor and that there no sharp objects close to the base of the coil If the coil is operating outdoors then ensure there is no chance of rain reaching the coil If the coil is operating indoors then adequate ventilation must be present Assemble the coil toroid and power supply onto the trolley taking care to observe the clearances required for safe operation Figure 2 The assembly should resemble Figure 3 The toroid is marked to show which side must be downward facing NOT TO SCALE Figure 2 Required clearances for operation Figure 3 Correctly assembled coil on the trolley DRSSTC4 2 User Manual The operator should ensure the coil is stable and that there are no strong gusts of wind or other causes for the coil to topple over Do not place the coil in fire escape routes or adjacent to doors which might be opened It is recommended that a plastic barrier be used to protect any observers from the coil It is the operator s responsibility to ensure that all potential risks are assessed before turning the coil on A sample risk assessment can be obtained from MTFX Breakout point The
10. coil must be operated with a breakout point since this effectively limits the stresses experienced by the insulation between the primary and secondary windings Operation without a breakout point will lead to unpredictable behaviour and destructive flash overs which will destroy the windings Suitable wire breakout points are supplied and one or more should be positioned on top of the toroid pointing outwards as shown in Figure 4 The breakout points can be used to direct the streamers in a way that gives a better plasma display from the coil More breakout points create shorter arcs but offer superior audio performance Figure 4 Correct breakout point orientation DRSSTC4 2 User Manual Cable connections The power supply has several connection points and indicators detailed below MTFX _ brightarcs BREAKER POWER INLET OPTICAL ENCLOSURE INPUT TOP ENCLOSURE SERIAL POWER FAULT NUMBER INDICATOR INDICATOR Figure 5 Front of power supply MEDIUM HIGH VOLTAGE Al VOLTAGE OUTPUT OUTPUT EARTH CONNECTION ENCLOSURE TOP ENCLOSURE SINK Figure 6 Rear of power supply Description Power inlet IEC power inlet 220 240 VAC 50 60Hz Only use the power cable provided Optical input Connection to the modulator via optical cable Only use the fully unwound plastic cable provided Note Not SPDIF Over current breaker Thermal over current circuit breaker The insert pops out in the event of
11. ency The primary winding resonates with a separate large capacitor located within the power supply at the primary resonant frequency The primary circuit is driven at its resonant frequency Causing energy to accumulate in the circuit This circuit is coupled by transformer action to the secondary and in turn drives the secondary circuit at the same frequency If the two frequencies are similar then large voltages are induced on the toroid causing the air around it to undergo electrical break down The resonant frequency of the secondary drops as the plasma formed by the break down of the air forms a streamer The primary frequency is tuned to slightly below the secondary and this frequency gap reduces the chance of breakdown When breakdown does occur the streamer growth lowers the secondary resonant frequency and the gap decreases causing much higher voltages on the secondary This ensures maximum energy is delivered to the streamer resulting in a longer arc forming between the toroid and the surroundings The breakdown of the air causes rapid heating of the region around the streamer This causes sudden thermal expansion resulting in a loud noise in the same way thunder is caused The power supply allows reproduction of the breakdown many times per second and this allows a musical tone to be played For example breaking down the air 440 times per second causes the musical note A The modulator changes the breakdown repetition rate and intensity
12. further stress the internal components and probably cause device failure Maintenance There is little maintenance required to operate the DRSSTC4 2 The filters on the power supply should be cleaned if they become clogged with dust The secondary winding should be kept dust free by wiping with a cloth The static build up on the secondary will attract dust which could cause a flash over to occur VA Sr DRSSTC4 2 User Manual Trouble Shooting This section covers the most commonly observed problems encountered during coil operation and offers advice on how to resolve them If a flash over is observed Flash over is when the coil streamers start at the base of the coil and move along the surface of the secondary as illustrated in Figure 8 The most likely cause of a flashover is an incorrectly located or missing breakout point Figure 8 Flash over showing the base of the coil and streamer Sharp objects around the coil even blades of grass dust on the secondary a shifted primary winding or other changes to the Tesla coil may also lead to flash over Do no place any object within the zone shown in Figure 9 Flash overs can also be caused if the primary has slid up the coil Slide it back down carefully so that it is level with the base of the coll Figure 9 Exclusion zone DRSSTC4 2 User Manual lf sparks are observed near or around the base of the coil
13. ing burns to the surrounding tissue Users who wear pacemakers or electronic health maintenance devices should never approach a coil Even healthy adults occasionally suffer cardiac arrest as a result of electric shocks Brightarcs advice is to NEVER APPROACH AN OPPERATING COIL or attempt to draw an arc to a hand held object DRSSTC4 2 User Manual The plastic coil formers particularly of the secondary winding will accumulate charge during operation and this will result in a residual charge building up on the coil over the several minutes after turn off lf the device is unplugged then small static shocks will result when handling the coil To avoid this leave the coil plugged in with the switch in the off position for 5 minutes before unplugging or ground the coil externally before handling operating coil may cause grounded and un grounded objects to produce small shocks when touched This is usually because the person is standing between the coil and a grounded object and hence offering a path for the high frequency AC current To avoid this the person could either ground themselves by holding a grounded object or preferably move to the other side of the object so that they are no longer presenting a path to the AC current i e Not between the coil and a grounded object Placing a grounded shield around the coil to make a faraday cage is an effective way to prevent indirect shocks like this Interference and damage
14. over current Do not reset with power connected Green LED to indicate the main board has power Fault indicator Red LED to indicate input surge under voltage over temperature and over current Medium voltage output High frequency coil output at 340 VAC Connect to the primary lead without silicone insulation reinforcement High voltage output High frequency high voltage coil output 12 KVAC Connect to the primary lead with silicone reinforcement Earth connection Connect to the secondary earth lead Enclosure is earthed The heat sink to cool the power transistors and enclosure base The power supply serial number Note Opening the enclosure will void the warranty Table 1 Power supply parts summary WAN wr DRSSTC4 2 User Manual Connect the wires for the power supply primary winding earth connection and optical lead input as detailed in Figure 7 Take care to ensure the primary winding connection with the extra insulation goes to the terminal marked high voltage and that the power lead is not connected to the mains during assembly 7 Figure 7 Wiring connections of the power supply Connect the plug side of the IEC power lead to a 230V 220V 240V socket and the modulator to the other end of the optical cable In many cases it is desirable to use an extension cable if this is the case then fully un wind the cable to avoid it overheating The coil is now
15. roach the coil when it is powered O Always wait 5 minutes before unplugging the coil after switching it off Always use only the specified voltage of 220V 240V NO VARIAC Only operate within ambient temperatures between 5 C and 30 O A Always operate the coil from a safe distance of gt 3m N Always place the toroid on top of the coil Always place at least one breakout point on top of the toroid Never near flammable materials 10 Never operate in condensing humid environments 11 Never operate if the secondary is damp 12 Always remove dust from the secondary using a duster before use 13 Always be ready to turn off the coil quickly 14 Always ground the coil via the plug do not remove this connection 15 Only allow arcing to grounded objects and preferably do not arc continuously Electrocution risks A tesla coil creates many thousands of volts in order to produce impressive plasma displays in the surrounding air The voltage produced has two components the alternating current AC and the direct current DC parts The DC component arises as a result of the capacitance of the coil discharging into a grounded object If this current flows into a person it will cause a sensation of pain similar to a Van de Graaff generator The Tesla coil can repeat this sensation at over 500 times per second This results in a very painful shock and last
16. watch the base of the coil for flash over The operator should also check for arcing near the base of the coil and at the interface between the toroid and the secondary If no flash over or arcing occurs for 30 seconds then the modulator can be switched to a normal modulation mode It is recommended that the operator continuously monitors the coil for flash over whenever it is operating and be ready to turn off the coil If a flash over occurs at full power output then the secondary winding is likely to be rapidly and permanently damaged due to burning of the insulation DRSSTC4 2 User Manual Considerations for extended operation The DRSSTC4 2 is designed to operate at moderate power output for up to 10 minutes If the coil is used for more than this time or if the power level is high then the power supply will overheat This occurs at a heat sink temperature of 45 C The power supply will not allow further modulation until it returns to less than 35 C In addition the secondary winding temperature may become a burn hazard reaching more than 100 C when subjected to continuous high power levels The power supply can be powered for the cool down period This has the benefit of forcing air around the internal components which decreases the cool down time The stresses to the power supply during the overheating condition will seriously reduce the life span of the device Do not attempt to increase the heat sink capacity of the device this will only
17. working Check the modulator manual Poor spark length Tuning shifted Table 2 Fault finding Tuning This coil is self tuning within a wide range and will not normally require any adjustment However if operated in an enclosed space the resonant frequency of the coil may drop sufficiently to cause a reduced spark output If this occurs operate the coil in a less enclosed space More experienced users might try to alter the coil turns ratio by adding or removing primary turn It should be noted that this will void the guarantee if not carried out either by or under instruction from MTFX Brightarcs 14 DRSSTC4 2 User Manual Guarantee The guarantee covers all aspects of the electronic power supply assembly for 6 months or 300 hours of operation whichever is sooner The guarantee is for the repair of the power supply and return to the customer or refund The guarantee is only valid if the product is used within the operating conditions defined in the operation section Any attempts to open the case will invalidate the warranty To make a claim the ENTIRE product must be returned in adequate packaging The original packaging is preferred the secondary must be adequately protected for postage The guarantee only covers the secondary winding during initial shipping due to its fragile nature In the case of a damaged secondary coil contact Brightarcs to purchase a replacement or arrange a repair

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