3 files changed, 45 insertions, 0 deletions
diff --git a/620/CH18/EX18.3/example18_3.sce b/620/CH18/EX18.3/example18_3.sce
new file mode 100644
index 000000000..3c33d7c2a
--- /dev/null
+++ b/620/CH18/EX18.3/example18_3.sce
@@ -0,0 +1,20 @@
+v1=4160;
+v2=230;
+r=4;
+disp("Part a");
+i2=v2/r;
+i1=v2*i2/i1;
+disp("the primary current (in A) is"); disp(i1);
+disp("Part b");
+pout=v2^2/r;
+eff=0.98;
+pin=pout/eff;
+i1=pin/v1;
+disp("the primary current (in A) with 98% efficiency is"); disp(i1);
+disp("Part c");
+loss=pin-pout;
+disp("The losses (in W) is"); disp(loss);
+disp("Part d");
+p=v2*i2;
+disp("The rating of the transformer (in kVA) is"); disp(p/1000);
+
diff --git a/620/CH18/EX18.3/example18_3.txt b/620/CH18/EX18.3/example18_3.txt
new file mode 100644
index 000000000..763b02cdd
--- /dev/null
+++ b/620/CH18/EX18.3/example18_3.txt
@@ -0,0 +1,24 @@
+Part a   
+ 
+ the primary current (in A) is   
+ 
+    1102.0833  
+ 
+ Part b   
+ 
+ the primary current (in A) with 98% efficiency is   
+ 
+    3.2439659  
+ 
+ Part c   
+ 
+ The losses (in W) is   
+ 
+    269.89796  
+ 
+ Part d   
+ 
+ The rating of the transformer (in kVA) is   
+ 
+    13.225  
+ 
+\ No newline at end of file
diff --git a/620/CH18/EX18.3/example18_3.xcos b/620/CH18/EX18.3/example18_3.xcos
new file mode 100644
index 000000000..a3a8b9639
--- /dev/null
+++ b/620/CH18/EX18.3/example18_3.xcos
@@ -0,0 +1 @@
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+\ No newline at end of file