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Diffstat (limited to '3681/CH6/EX6.5')
| -rw-r--r-- | 3681/CH6/EX6.5/Ans6_5.PNG | bin | 0 -> 4931 bytes | |||
| -rw-r--r-- | 3681/CH6/EX6.5/Ex6_5.sce | 13 |
2 files changed, 13 insertions, 0 deletions
diff --git a/3681/CH6/EX6.5/Ans6_5.PNG b/3681/CH6/EX6.5/Ans6_5.PNG Binary files differnew file mode 100644 index 000000000..d126b5402 --- /dev/null +++ b/3681/CH6/EX6.5/Ans6_5.PNG diff --git a/3681/CH6/EX6.5/Ex6_5.sce b/3681/CH6/EX6.5/Ex6_5.sce new file mode 100644 index 000000000..722cac545 --- /dev/null +++ b/3681/CH6/EX6.5/Ex6_5.sce @@ -0,0 +1,13 @@ +// Calculating the power developed by the armature of motor
+clc;
+disp('Example 6.5, Page No. = 6.12')
+// Given Data
+P = 125;// Power rating (in W)
+E = 230;// Voltage (in V)
+rpm = 5000;
+// Calculation of the power developed by the armature
+Losses_total = P;// Total losses (in W)
+Losses_constant = P/3;// Constant losses (in W). Since the sum of iron, friction and windage losses is approximately 1/3 of total losses
+Pa = Losses_total+Losses_constant;// Power developed by the armature (in W)
+disp(Pa,'Power developed by the armature (W)=');
+//in book answer is 167 (W). The answers vary due to round off error
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