13.07.2015 Views

نمذجة ومحاكاة نظام الكتروني قابل للبرمجة يعمل على ربط ... - جامعة دمشق

نمذجة ومحاكاة نظام الكتروني قابل للبرمجة يعمل على ربط ... - جامعة دمشق

نمذجة ومحاكاة نظام الكتروني قابل للبرمجة يعمل على ربط ... - جامعة دمشق

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"* 5 * :( " $7 8 9# % 4 iL = ton*Vi/L; % p-p Inductorcurrent rippleILmin = Ii - iL/2; % Min inductorcurrentILrms = sqrt(Ii.^2 + iL.^2/12); %RMS inductor currentIqrms = sqrt(ILrms.^2 * D); %RMS switch currentIdrms = sqrt(ILrms.^2 * (1-D)); %RMS diode currentICi = iL / sqrt(12); % RMS inputcapICo = sqrt(Idrms.^2 - Io.^2); %RMS output cap currentPl_L = ILrms.^2 * RL; % InductorlossPl_Qc = Iqrms.^2 * Rs; % Switchloss (conduction)Pl_Qs = 0.5 * Ii * Vo * tsw * f; %Switch loss (switching)Pl_Qg = Qg * Vgg * f .* Pones; %Switch loss (gate drive)Pl_D = Vf .* Ii * (1-D); % DiodelossPl_Ci = ICi.^2 * Rcin .* Pones; %Cin lossPl_Co = ICo.^2 * Rcout; % CoutlossPl_misc = Pl_misc .* Pones; %miscellaneous const lossPl_tot= Pl_L+ Pl_Qc + Pl_Qs +Pl_Qg + Pl_D + Pl_Ci + Pl_Co +Pl_misc; % total load powerEff= Pones / Pl_tot; % Efficiencyvs. input power+ " 3" 8 "" 7 MATLAB ; (4) 208

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