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Diffstat (limited to '1445/CH7/EX7.14/ch7_ex_14.sce')
-rw-r--r-- | 1445/CH7/EX7.14/ch7_ex_14.sce | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/1445/CH7/EX7.14/ch7_ex_14.sce b/1445/CH7/EX7.14/ch7_ex_14.sce new file mode 100644 index 000000000..3771b28b0 --- /dev/null +++ b/1445/CH7/EX7.14/ch7_ex_14.sce @@ -0,0 +1,50 @@ +//CHAPTER 7- SINGLE PHASE TRANSFORMER +//Example 14 + +disp("CHAPTER 7"); +disp("EXAMPLE 14"); + +//VARIABLE INITIALIZATION +va=22000; //apparent power +v1=1100; //primary voltage in Volts +v2=110; //secondary voltage in Volts +R1=2; //in Ohms +R2=0.02; //in Ohms +X1=5; //in Ohms +X2=0.045; //in Ohms + +//SOLUTION +//N1byN2=v1/v2; + +R_dash_2=R2*((v1/v2)^2); +X_dash_2=X2*((v1/v2)^2); +disp("SOLUTION (a)"); +disp(sprintf("The equivalent resistance of secondary referred to primary is %fΩ",R_dash_2)); +disp(sprintf("The equivalent reactance of secondary referred to primary is %f Ω",X_dash_2)); +// +R_e1=R_dash_2+R1; +X_e1=X_dash_2+X1; +disp("SOLUTION (b)"); +disp(sprintf("The total resistance referred to primary is %f Ω",R_e1)); +disp(sprintf("The total reactance referred to primary is %f Ω",X_e1)); +// +R_dash_1=R1*((v2/v1)^2); +X_dash_1=X1*((v2/v1)^2); +disp("SOLUTION (c)"); +disp(sprintf("The equivalent resistance of secondary referred to secondary is %f Ω",R_dash_1)); +disp(sprintf("The equivalent reactance of secondary referred to secondary is %f Ω",X_dash_1)); +// +R_e2=R_dash_1+R2; +X_e2=X_dash_1+X2; +disp("SOLUTION (d)"); +disp(sprintf("The total resistance referred to secondary is %f Ω",R_e2)); +disp(sprintf("The total reactance referred to secondary is %f Ω",X_e2)); +// +I1=va/v1; +I2=va/v2; +copperLoss=R1*I1^2+R2*I2^2; +disp("SOLUTION (e)"); +disp(sprintf("The total copper loss is %f W",copperLoss)); +disp(" "); +// +//END |