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Recent content by rajabi_u

  1. R

    Help me model synchronous generator in Opera 2D

    Hi Any body work with vector fildes\opera 2d software? I want to model synchronous generator with this software;and needed to help. I want to know how can input torkque and out put was voltage? how define ploss(power losses) into this software ? any examples were solvet by it please share...
  2. R

    hard problem: "feed forwards"

    1)what is feed forwards? 2)what are 3 inputs and 2 output for feed forward? 3)advantage voltage source from curent source? 4)what is mM=f1(imR,...); 5) isq=f2(imR,...); 6) isd=f3(imR,...); 7) usd=? 8) usq=? 9)what are names of each controller?and why did use 3...
  3. R

    Need help with plotting V and I in Matlab code

    Re: matlab help hi everey body knows that . but i want to know :can write a progrom for same this problem ,that its progrom solve the that formola; are any body know this please help me to write the that program ok thanks regards
  4. R

    Need help with plotting V and I in Matlab code

    matlab help hello all; iwant to plot" i " versus "v" ;that i is current abnd v is voltage; then formla is bellow: V=[0:.01:600]; (.317V)^2=[((1.5/I)+(1.5*I)-(.27*V*I))^2]+[((1.5*I)+(.27*V*I))^2]; please help to plot(V,I); ok thanks
  5. R

    average model of two transistor converter

    hi all; i need one model: "average model of two transistor converter" thanks all
  6. R

    How to simulate a IPMSM motor with Matlab?

    Re: matlab program hello "ipms" is motor ;but i want to learn "s function" . regards
  7. R

    design double switch forward

    double switch forward converter Hello v_c; Thank you very much from your answer, Can you give more becase for design transformer and control by IC;i have problem. Thanks a lot of. Regards
  8. R

    How to simulate a IPMSM motor with Matlab?

    Hello all; I want to simulate a "IPMSM" motor with "MATLAB" software but I donot know how I should write a " s-function" for this. please help me about writing " s-function" thanks very much
  9. R

    design double switch forward

    double two transistor forward hi all can you help me? i want design double switch forward that input voltage was 230(+10%;-15%)v: output voltag was 12±1% v;output current was 20A ; this switch should be controlled by IC SG3842; if you knew which book is good for this desine ;that is very good...

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