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Discussion in 'General Electronics Discussion' started by shreya, Jul 27, 2013.

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  1. shreya


    Jul 27, 2013
    Could anyone explain the conduction angle n firing angle in the case of thyristors (SCR) and the relation they share...??:confused:
  2. john monks

    john monks

    Mar 9, 2012
    What do you mean by "conduction angle" and "firing angle"?
  3. Raven Luni

    Raven Luni

    Oct 15, 2011
    I didnt know they could be used as projectiles :eek:
  4. KrisBlueNZ

    KrisBlueNZ Sadly passed away in 2015

    Nov 28, 2011
    Perhaps he's talking about phase angle control in SCR light dimmers and the like.

    If so, I guess the firing angle would refer to the number of degrees at which the SCR "fires" (is triggered), relative to the start of the half-cycle, and the conduction angle would refer to the total angle for which the SCR conducts.

    In that case, firing angle + conduction angle = 180 degrees (roughly - because the SCR will drop out slightly before the end of the half-cycle due to insufficient holding curent).
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