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Diffstat (limited to '3802/CH7/EX7.9')
| -rw-r--r-- | 3802/CH7/EX7.9/Ex7_9.jpg | bin | 0 -> 26590 bytes | |||
| -rw-r--r-- | 3802/CH7/EX7.9/Ex7_9.sce | 32 |
2 files changed, 32 insertions, 0 deletions
diff --git a/3802/CH7/EX7.9/Ex7_9.jpg b/3802/CH7/EX7.9/Ex7_9.jpg Binary files differnew file mode 100644 index 000000000..39cfbf8db --- /dev/null +++ b/3802/CH7/EX7.9/Ex7_9.jpg diff --git a/3802/CH7/EX7.9/Ex7_9.sce b/3802/CH7/EX7.9/Ex7_9.sce new file mode 100644 index 000000000..b65af80d8 --- /dev/null +++ b/3802/CH7/EX7.9/Ex7_9.sce @@ -0,0 +1,32 @@ +//Book Name:Fundamentals of Electrical Engineering
+//Author:Rajendra Prasad
+//Publisher: PHI Learning Private Limited
+//Edition:Third ,2014
+
+//Ex7_9.sce.
+
+clc;
+clear;
+Vp=220; //primary voltage in V
+Vs=250; //secondary voltage in V
+Ns=2000; //number of secondary turns
+
+printf("\n (a)")
+Np=(Vp/Vs)*Ns; //number of Primary turns
+tapping_point=Ns-Np; //number of turns from C to A in figure
+printf("\n The position of tapping point=%d turns \n",tapping_point)
+
+printf("\n (b)")
+Po=10e3; //output power in KVA
+Is=Po/Vs; //secodary current in A
+Ip=(Vs/Vp)*Is; //primary current in A
+approximate_current=Ip-Is;
+printf("\n The approximate value of current in each part of the winding:\n")
+printf("\t Is=%d A\n",Is)
+printf("\t Ip=%2.2f A\n",Ip)
+printf("\t Ip-Is=%1.2f A\n",approximate_current)
+
+printf("\n (c)")
+copper_saved=Vp/Vs;
+printf("\n copper saved=%1.2f p.u",copper_saved)
+
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