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Homework Help: Commutation process in RLC circuit

  1. Apr 23, 2012 #1
    1. The problem statement, all variables and given/known data

    Still can't figure this one out.
    All data is on the picture attached.
    I have to find the current flowing through E1 after E2 is connected and draw a graph as it changes in time of the process.

    I can't do the equations when t=0

    2. Relevant equations
    dUc/dt|t=0 =i3(0)/C


    3. The attempt at a solution

    t=0
    i2-i5=i3+i6
    L*di2/dt +Uc-R2*i6+r1*i5=E2
    Uc-R1*i5=E1-E2
    i still miss something, any help would be apritiated
     

    Attached Files:

  2. jcsd
  3. Apr 23, 2012 #2
    here I have found an example with the equations when t=0
     

    Attached Files:

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