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-rwxr-xr-x1076/CH2/EX2.21/2_21.sce18
1 files changed, 18 insertions, 0 deletions
diff --git a/1076/CH2/EX2.21/2_21.sce b/1076/CH2/EX2.21/2_21.sce
new file mode 100755
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--- /dev/null
+++ b/1076/CH2/EX2.21/2_21.sce
@@ -0,0 +1,18 @@
+clear;
+clc;
+f=50;
+dia=25e-3;
+sp=.3;
+D=6;
+
+rad=dia/2;
+r=.7788*rad;
+GMR= ((r*r*sp*sp)^.25);
+Dab= (D* (D+sp)* D *(D-sp))^.25;
+Dbc=Dab;
+Dac= ((2*D)* ((2*D) +sp)* (2*D) *((2*D)-sp))^.25;
+Deq=(Dab * Dbc *Dac)^(1/3);
+L=.4605 * log10 (Deq/GMR);
+mprintf("\nL= %.3f mH/phase/km", L);
+XL=2 * %pi * f * L *1e-3;
+mprintf("\nXL= %.2f ohm/phase/km", XL);