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design of high voltage transfomer for discharge lamp igniters

Discussion in 'Electronic Basics' started by kfel, Feb 10, 2007.

  1. kfel

    kfel Guest

    Hi,

    I need to design a transformer with the following specification: -
    1. It needs to generate high voltage pulses necessary for igniting a
    discharge lamp. The pulse height is typically of the order of 3.5KV
    and above.
    2. These high voltage pulses need to be superimposed onto the input
    sine wave

    Any help on this would be appreciated. Thanks in advance
     
  2. What's wrong with buying an igniter transformer off the shelf?
     
  3. Guest

    do you have a schematic already of the circuit your building?
    I repair concert lighting equipment that uses discharge lamps. I can
    tell you, the transformer is a ballast and the high voltage igniter
    circuit basically momentarily pulse shorts the ballast transformer to
    cause a high voltage spark across the lamp. once the lamp fires, the
    ballast limits the current to the designed current. This operates much
    the same as a florescent lamp only much higher currents. The 2nd
    option is to use an electronic ballast type that the power supply
    regulates the voltage and current to match the lamp. THe igiter is an
    external high voltage "kicker" device.

    which type are you trying to build so we can help further?

    -eric
     
  4. John Fields

    John Fields Guest

     
  5. kfel

    kfel Guest

    What i needed was help on designing an transformer coil for a
    superimposed igniter and not a ballast to be used in series with the
    discharge lamp.
     
  6. Rich Grise

    Rich Grise Guest

    Would one of these help you?
    http://www.google.com/search?q="trigger+transformer"

    Good Luck!
    Rich
     
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