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Diffstat (limited to '3826/CH2/EX2.11/Ex2_11.sce')
| -rw-r--r-- | 3826/CH2/EX2.11/Ex2_11.sce | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/3826/CH2/EX2.11/Ex2_11.sce b/3826/CH2/EX2.11/Ex2_11.sce new file mode 100644 index 000000000..e879d742e --- /dev/null +++ b/3826/CH2/EX2.11/Ex2_11.sce @@ -0,0 +1,15 @@ +//Example 2_11 page no:141
+clc;
+//given
+speed1 = 37.5;//in km/h
+speed2 = 48.2;//in km/h
+tractive_effort = 4670;//in N
+flux_speed = 100 * speed1/speed2;
+//if current is reduced by 30% then new flux will from the magnetisation curve be 64%
+flux = 64;//in percentage
+speed = speed2*flux_speed/flux;
+disp(speed,"the speed at new flux will be(in km/h)");
+tractive_effort = tractive_effort * flux/70.7;//calculating new tractive effort
+disp(tractive_effort,"the new tractive effort at 100A will be(in N)");
+//the new tractive effort calculated is wrong in textbook. It is a calculation error
+
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