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Diffstat (limited to '3871/CH5/EX5.5/Ex5_5.sce')
| -rw-r--r-- | 3871/CH5/EX5.5/Ex5_5.sce | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/3871/CH5/EX5.5/Ex5_5.sce b/3871/CH5/EX5.5/Ex5_5.sce new file mode 100644 index 000000000..8103c1ffe --- /dev/null +++ b/3871/CH5/EX5.5/Ex5_5.sce @@ -0,0 +1,22 @@ +//========================================================
+//chapter 5 example 5
+clc;clear all;
+
+//variable decalaration
+Iac = 0.1; //current in A
+f = 50; //frequency in Hz
+L = 0.8; //inductance in H
+Vac = 300; //voltage in V
+V = 200; //true value in V
+
+//calculations
+XL = 2*%pi*f*L; //instrument reactance in Ω
+Z = Vac/(Iac); //instrument impedance in Ω
+R1 = sqrt((Z^2)-(XL^2)); //instrument resistance(R+r) in Ω
+Idc = V/(R1); //instrument current when connected to 200V dc supply
+V1 = (Idc*Vac)/(Iac); //reading of the instrument when connected to 200V dc supply
+e = ((V1-V)/(V))*100;
+
+//result
+mprintf("percentage error = %3.2f percentage",e);
+
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