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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /1319/CH6/EX6.22 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '1319/CH6/EX6.22')
| -rw-r--r-- | 1319/CH6/EX6.22/6_22.sce | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/1319/CH6/EX6.22/6_22.sce b/1319/CH6/EX6.22/6_22.sce new file mode 100644 index 000000000..015a386b8 --- /dev/null +++ b/1319/CH6/EX6.22/6_22.sce @@ -0,0 +1,28 @@ +//Efficiency at full load
+
+clc;
+clear;
+
+V=400;
+Inl=5; // No load current
+Ra=0.5; // Armature Resistance
+Rf=200; // Field Resistance
+Ifl=40; // Full load current
+
+Ish=V/Rf; // Field Current
+
+Psc=(Ish^2)*Rf; // Field copper loss
+
+Prs=(V*Inl)-Psc; // Stray losses assuming no armature losses
+
+Ia=Ifl-Ish; // Armature Current
+
+Pc=(Ia^2)*Ra;// Armature copper loss
+
+Pi=Ifl*V; // Power input
+
+Po=Pi-Psc-Prs-Pc;
+
+eff=Po*100/Pi;
+
+printf('The efficiency at full load = %g percent \n',eff)
|