Defining of current deviation

Discussion in 'Homework Help' started by moronical, Jun 10, 2013.

  1. moronical

    Thread Starter New Member

    Jun 10, 2013
    1
    0
    Hi,

    I need to define current deviation of sinusoidal rectifier (sinusoidal
    input current) using PI regulator/in PSPICE/.


    PI REGULATOR /expample/


    .PARAM Kp=0.3 ;
    .PARAM Ti=0.5 ;

    .TRAN 1m 1 0 1m UIC
    .PROBE

    .MODEL zener D BV=100

    Ieps 0 1 pwl( 0 0
    + 0.1 0
    + 0.101 (VOLTAGE DEVIATION) )

    * SYMMETRICAL REGULATOR
    * ------------------------
    *Rp 1 2 {Kp}
    *Ci 2 0 {Ti}
    *Dza 0 1 zener

    * ASYMMETRICAL REGULATOR
    * ---------------------
    Rp 1 2 {Kp}
    Ci 2 0 {Ti}
    Dza 0 3 zener
    Dza1 1 3 zener

    .END


    Supply Voltages

    Ep1 101 0 VALUE {
    + Ugmax*sgn(Iz*sin(omz*TIME-pi-alfap)+I(Vz1)+dh*V(101)/Ugmax)}
    Ep2 102 0 VALUE {
    + Ugmax*sgn(Iz*sin(omz*TIME-fiz-pi-alfap)+I(Vz2)+dh*V(102)/Ugmax)}
    Ep3 103 0 VALUE {
    + Ugmax*sgn(Iz*sin(omz*TIME+fiz-pi-alfap)+I(Vz3)+dh*V(103)/Ugmax)}


    I must put my formula in place of Iz to hold average output volatege/in spite of changing load/. And I dont know how to solve this problem :/
    thanks in advance:)
     
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