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Full-Wave Single-phase Controlled Rectifer

Discussion in 'Electronics Homework Help' started by OrangeArav, May 24, 2019.

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  1. OrangeArav


    Jul 14, 2015
    I need help calculating the RMS value of the fundamental component of source current. The electrical circuit is a fully controlled single phase rectifier bridge. In the lecture the value is:
  2. Martaine2005


    May 12, 2015
    This looks like homework..

    Look on Youtube for “greatScott”. He has a great video on diodes and bridge rectifiers with all the revelent math and formula including RMS.

  3. Harald Kapp

    Harald Kapp Moderator Moderator

    Nov 17, 2011
    Calculating rms values is meaningful for repetitive (periodic) signals only.
    The interval for integration is one period. Using symmetries the interval can be reduced to e.g. 1/2 period, 1/4 period or other fractions.
    Your sketch doesn't show explicitly the periodicity. One may assume, I assume, that the signal repeats periodically, so the period would be ...(your's to find).
    Using the symmetry of the signal you can reduce the interval to a smaller value.

    By the way: while the text in your image is crisp, the sketch is rather blurry and veeery hard to read.
    Last edited: May 27, 2019
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