diff options
Diffstat (limited to '2459/CH23/EX23.6/Ex23_6.sce')
| -rw-r--r-- | 2459/CH23/EX23.6/Ex23_6.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/2459/CH23/EX23.6/Ex23_6.sce b/2459/CH23/EX23.6/Ex23_6.sce new file mode 100644 index 000000000..9b7f3c6d9 --- /dev/null +++ b/2459/CH23/EX23.6/Ex23_6.sce @@ -0,0 +1,20 @@ +//chapter23
+//example23.6
+//page515
+
+Vm=240 // V
+v=180 // V
+
+// figure given is for understanding purpose only. It is not required to solve the example
+
+// SCR remains off till it reaches 180 V i.e. forward breakdown voltage
+
+// since v=Vm*sin(theta), we get
+
+theta=asin(v/Vm) // firing angle in terms of degrees
+
+// since theta=314*t, we get
+
+t=theta/314 // seconds
+
+printf("off duration of SCR = %.3f ms \n",t*1000) //multiply t by 1000 to display time in milliseconds
|