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Full Bridge Converter

Discussion in 'Electronics Homework Help' started by zhenif, May 6, 2012.

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  1. zhenif

    zhenif

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    0
    May 6, 2012
    the pic and specifications have been added.... I will really appreciate if someone can help me to calculate the (duty cycle D; the voltage and current across transistor Q1, Q2, Q3, Q4; the voltage and current across diode D1 and D2; the output capacitance and inductance value........... Thanks....... I have already done all tho View attachment 4291

    View attachment 4292 se and have result in my excel that I can share if you want; but I am not sure about my result.
     
    Last edited: Jun 10, 2013
  2. davenn

    davenn Moderator

    13,584
    1,869
    Sep 5, 2009
    Hi Zhenif
    welcome to the forums

    I have moved this thread to the homework section where it is better suited :)

    Dave
     
  3. zhenif

    zhenif

    2
    0
    May 6, 2012
    First, I have assume that each full Bridge converter there have the same duty cycle... Now for the duty cycle calculation, I have consider the following equation:
    V=nDVg......... as the turn ratio is 1:6:6, I have consider n=6; and so, it resulted to D=V/(n*Vg)........ V=50; and Vg=120 and so =======> D=120/(6*50) = 0.4.... I am not 100% sure because in full bridge converter, we have twice the duty cycle so I am assuming that D finale is D=0.8.... can someone clarify me on that?.... Thanks
     
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