diff options
Diffstat (limited to '3681/CH10/EX10.13/Ex10_13.sce')
| -rw-r--r-- | 3681/CH10/EX10.13/Ex10_13.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/3681/CH10/EX10.13/Ex10_13.sce b/3681/CH10/EX10.13/Ex10_13.sce new file mode 100644 index 000000000..2975cdc4c --- /dev/null +++ b/3681/CH10/EX10.13/Ex10_13.sce @@ -0,0 +1,17 @@ +// Calculating the number of stator and rotor turns and rotor voltage between slip rings at standstill
+clc;
+disp('Example 10.13, Page No. = 10.35')
+// Given Data
+// 3 phase induction motor
+Nss = 54;// Number of stator slots
+Nrs = 72;// Number of rotor slots
+V = 400;// Applied voltage across the stator terminals
+// Calculation of the number of stator and rotor turns and rotor voltage between slip rings at standstill
+Ts = Nss*8/6;// Stator turns per phase. Since 8 conductors per slot
+Tr = Nrs*4/6;// Rotor turns per phase. Since 4 conductors per slot
+Es = 400/3^(1/2);// Stator voltage per phase
+Er = Es*Tr/Ts;// Rotor voltage per phase at standstill
+disp(Ts,'Stator turns per phase =');
+disp(Tr,'Rotor turns per phase =');
+disp(3^(1/2)*Er,'Rotor voltage between slip rings at standstill (Volts)=');
+//in book answers are 72, 48 and 266.7 Volts respectively. The answers vary due to round off error
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