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| -rw-r--r-- | 3888/CH10/EX10.10/Ex10_10.sce | 37 |
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diff --git a/3888/CH10/EX10.10/Ex10_10.JPG b/3888/CH10/EX10.10/Ex10_10.JPG Binary files differnew file mode 100644 index 000000000..d71283dc0 --- /dev/null +++ b/3888/CH10/EX10.10/Ex10_10.JPG diff --git a/3888/CH10/EX10.10/Ex10_10.sce b/3888/CH10/EX10.10/Ex10_10.sce new file mode 100644 index 000000000..09f5e3818 --- /dev/null +++ b/3888/CH10/EX10.10/Ex10_10.sce @@ -0,0 +1,37 @@ +//Electric Power Generation, Transmission and Distribution by S.N.Singh
+//Publisher:PHI Learning Private Limited
+//Year: 2012 ; Edition - 2
+//Example 10.10
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+
+r=0.05; //Radius of the conductor in m
+bc=5; //Distance between b & c in m
+bb1=3*bc; //Distance between b & b1 in m
+aa1=2*bc; //Distance between a & a1 in in m
+ab=(((bb1-aa1)/2)^(2)+bc^(2))^(1/2);
+ab1=((aa1+((bb1-aa1)/2))^(2)+bc^(2))^(1/2);
+ac1=((bc*2-((bb1-aa1)/2))^(2)+bc^(2))^(1/2);
+Dab=nthroot(ab*ab1*ab1*ab,4);
+Dbc=nthroot(bc*aa1*aa1*bc,4);
+Dca=nthroot(ab*ac1*ab*ac1,4);
+Deq=nthroot(Dab*Dbc*Dca,3);
+Dsa=sqrt(aa1*0.7788*r);
+Dsb=sqrt(bb1*0.7788*r);
+Dsc=sqrt(bc*0.7788*r);
+Ds=nthroot(Dsa*Dsb*Dsc,3);
+L=(2*10^(-7)*log(Deq/Ds))*10^(6); //Inductance of double circuit in mH/km/phase
+Dsa1=sqrt(aa1*r); //GMR for capacitance
+Dsb1=sqrt(bb1*r); //GMR for capacitance
+Dsc1=sqrt(bc*r); //GMR for capacitance
+Ds1=nthroot(Dsa1*Dsb1*Dsc1,3); //Equivalent GMR for capacitance
+C=(2*%pi*(10^(-9)/(36*%pi)))/log(Deq/Ds1); //Capacitance of double circuit in nF/km/phase
+
+
+printf("\nInductance of the line is %.3f mH/km/phase",L);
+printf("\nCapacitance of the line is %.2f nF/km/phase",C/10^(-12));
+ //Variation present in result due to wrong calculation of Ds1 value
+
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