summaryrefslogtreecommitdiff
path: root/3813/CH3/EX3.9
diff options
context:
space:
mode:
Diffstat (limited to '3813/CH3/EX3.9')
-rw-r--r--3813/CH3/EX3.9/Ex3_9.jpgbin0 -> 16691 bytes
-rw-r--r--3813/CH3/EX3.9/Ex3_9.sce26
2 files changed, 26 insertions, 0 deletions
diff --git a/3813/CH3/EX3.9/Ex3_9.jpg b/3813/CH3/EX3.9/Ex3_9.jpg
new file mode 100644
index 000000000..3e12c884b
--- /dev/null
+++ b/3813/CH3/EX3.9/Ex3_9.jpg
Binary files differ
diff --git a/3813/CH3/EX3.9/Ex3_9.sce b/3813/CH3/EX3.9/Ex3_9.sce
new file mode 100644
index 000000000..cc8e010e5
--- /dev/null
+++ b/3813/CH3/EX3.9/Ex3_9.sce
@@ -0,0 +1,26 @@
+//Electric Drives:concepts and applications by V.subrahmanyam
+//Publisher:Tata McGraw-Hill
+//Edition:Second
+//Ex3_9
+clc;
+clear;
+L=0.003;//Inductance in mH
+Id=64.9;//Current in A
+V=162.25;//voltage in V
+Vs=150;//Supply voltage in V
+f=50;//Frequency in Hz
+Rd=2.5;//Resistance in ohm
+Eb=-250;//Back emf in V
+pf=-0.5;//Powerfactor
+Xc=2*%pi*f*L;
+Vdia=(Id*(Rd+((3*Xc)/(2*%pi))))+Eb;
+a=Vdia/(1.17*Vs);
+b=acos(a);
+c=(b*180)/%pi;
+Alpha=-0.3338;//angle in radian
+X=(3*Id*Xc)/(%pi*Vs);
+d=acos(Alpha-X);
+e=(d*180)/%pi;
+u=e-c;
+disp(u,"The overlap angle in deg is:")
+//Result vary due to error in calculation of overlap angle in the textbook