summaryrefslogtreecommitdiff
path: root/3871/CH5/EX5.5
diff options
context:
space:
mode:
Diffstat (limited to '3871/CH5/EX5.5')
-rw-r--r--3871/CH5/EX5.5/Ex5_5.sce22
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);
+