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Transient Voltage Spike

Discussion in 'Power Electronics' started by Joaquin Valdez, Mar 10, 2018.

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  1. Joaquin Valdez

    Joaquin Valdez

    1
    0
    Mar 10, 2018
    Hello, I have been recently building a solid state Tesla coil similar to that of the “One Tesla kit” and I was wondering if the 1.5KE510CA TVS diode could be removed or perhaps replaced with a fast diode like the UF4007, would the circuit still be able to work without damaging the IGBTs and if not is there a another way to get around it?

    When I look up soild state Tesla coil design I see many with no protection on the IGBT is this bad practice when switching inductive loads?
     

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  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,412
    2,780
    Jan 21, 2010
    The TVS diode has a defined behaviour in the breakdown region. It should not be in use as a rectifier, and replacing it with one would be a bad idea.

    It's a bit like replacing your steering wheel with the spare tire. They're both wheels, right?
     
    Harald Kapp and Arouse1973 like this.
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