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Diffstat (limited to '3890/CH3/EX3.5/Ex3_5.sce')
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diff --git a/3890/CH3/EX3.5/Ex3_5.sce b/3890/CH3/EX3.5/Ex3_5.sce new file mode 100644 index 000000000..d4ab397b0 --- /dev/null +++ b/3890/CH3/EX3.5/Ex3_5.sce @@ -0,0 +1,28 @@ +//Electric machines and power systems by Syed A Nasar +//Publisher:TataMcgraw Hill +//Year: 2002 ; Edition - 7 +//Example 3.5 +//Scilab Version : 6.0.0 ; OS : Windows + +clc; +clear; + + +v1=220;v2=110; //voltages of primary and secondary windings res. +Q=10; //reactive power at KVA +R1=.25;R2=.06; //voltages of primary and secondary windings res. + +a=v1/v2; +I1=(Q*10^3)/v1; +I2=a*I1; +L1=(I1^2)*R1; +L2=(I2^2)*R2; +T=L1+L2; //total I^2*R loss + +R21=(a^2)*R2; +Rp=R1+(a^2)*R2; +L=(I1^2)*Rp; //loss due to resistance referred to primary + +printf('total I^2*R loss %f\n',T); +printf('loss due to resistance referred to primary is %f\n',L) +printf('Hence proved') |