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diff --git a/3890/CH3/EX3.14/Ex3_14.sce b/3890/CH3/EX3.14/Ex3_14.sce new file mode 100644 index 000000000..29bb6aa93 --- /dev/null +++ b/3890/CH3/EX3.14/Ex3_14.sce @@ -0,0 +1,35 @@ +//Electric machines and power systems by Syed A Nasar +//Publisher:TataMcgraw Hill +//Year: 2002 ; Edition - 7 +//Example 3.14 +//Scilab Version : 6.0.0 ; OS : Windows + +clc; +clear; + +Q=25; //power in kvA +v1=440; //primary voltage in V +v2=220; //secondary voltage in v +vO=220;Io=9.6;Po=710; //open circuit parameters in V,A,W +vs=42;Is=57;Ps=1030; //short circuit parameters in V,A,W + +a=v1/v2; +zs1=vs/Is; +Rs1=Ps/Is^2; +xs1=(zs1^2-Rs1^2)^(1/2); +R1=Rs1/2; +R2=R1/a^2; +x1=xs1/2; +x2=x1/a^2; +to=acosd(Po/(Io*vO)); +io=Io*(cos(to)-%i*sin(to)); +E2=vO-io*(R2+%i*x2); +Pc2=Po-(Io^2)*R2; +Rc2=E2^2/Pc2; +Ic2=E2/Rc2; +Im2=(Io^2-Ic2^2)^(1/2); +xm2=abs(E2)/Im2; +xm1=a^2*xm2; +Rc1=a^2*Rc2; + +printf('The parameters are R1=%f xm1=%f Rc1=%f X1=%f in ohms',R1,xm1,Rc1,x1) |