diff options
Diffstat (limited to '147/CH14/EX14.14')
| -rw-r--r-- | 147/CH14/EX14.14/Example14_14.sce | 17 | ||||
| -rw-r--r-- | 147/CH14/EX14.14/Result14_14.txt | 1 |
2 files changed, 18 insertions, 0 deletions
diff --git a/147/CH14/EX14.14/Example14_14.sce b/147/CH14/EX14.14/Example14_14.sce new file mode 100644 index 000000000..9e54ed953 --- /dev/null +++ b/147/CH14/EX14.14/Example14_14.sce @@ -0,0 +1,17 @@ +//Voltage V, Armature resistance Ra, Field resistance Rf
+//Armature current Ia, Line current Il, flux is reduced by phir
+close();
+clear;
+clc;
+V = 250;//V
+Ra = 0.22;//ohm
+Rf = 170;
+N = 1200;//rpm
+Ia = 3;//A
+Il = 55;
+phir = 0.06;
+E_noload = V - Ia*Ra;
+If = V/Rf;
+E_fullload = V - (Il-If)*Ra;
+nm_fullload = N*(E_noload/E_fullload)*(1/1-phir);
+mprintf('Full load speed = %0.0f rpm',nm_fullload);
\ No newline at end of file diff --git a/147/CH14/EX14.14/Result14_14.txt b/147/CH14/EX14.14/Result14_14.txt new file mode 100644 index 000000000..4f88d4c09 --- /dev/null +++ b/147/CH14/EX14.14/Result14_14.txt @@ -0,0 +1 @@ +Full load speed = 1181 rpm
\ No newline at end of file |