From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 3681/CH9/EX9.32/Ans9_32.PNG | Bin 0 -> 4149 bytes 3681/CH9/EX9.32/Ex9_32.sce | 12 ++++++++++++ 2 files changed, 12 insertions(+) create mode 100644 3681/CH9/EX9.32/Ans9_32.PNG create mode 100644 3681/CH9/EX9.32/Ex9_32.sce (limited to '3681/CH9/EX9.32') diff --git a/3681/CH9/EX9.32/Ans9_32.PNG b/3681/CH9/EX9.32/Ans9_32.PNG new file mode 100644 index 000000000..c79d322dd Binary files /dev/null and b/3681/CH9/EX9.32/Ans9_32.PNG differ diff --git a/3681/CH9/EX9.32/Ex9_32.sce b/3681/CH9/EX9.32/Ex9_32.sce new file mode 100644 index 000000000..bde0c0ef8 --- /dev/null +++ b/3681/CH9/EX9.32/Ex9_32.sce @@ -0,0 +1,12 @@ +// Calculating the minimum number of poles +clc; +disp('Example 9.32, Page No. = 9.92') +// Given Data +P = 1200;// Power rating (in kW) +Ec = 15;// Average voltage between commutator segments (in Volts) +ATa = 10000;// Armature mmf per pole +// Calculation of the minimum number of poles +a = P*10^(3)/(ATa*Ec);// Minimum number of parallel paths +p = a;// Minimum number of poles. Since these parallel paths can be obtained by using a simplex winding +disp(p,'Minimum number of poles ='); +//in book answer is 8 poles. The answers vary due to round off error -- cgit