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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /1418/CH26/EX26.26 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '1418/CH26/EX26.26')
| -rw-r--r-- | 1418/CH26/EX26.26/EX26_26.jpg | bin | 0 -> 95626 bytes | |||
| -rw-r--r-- | 1418/CH26/EX26.26/EX26_26.sce | 32 |
2 files changed, 32 insertions, 0 deletions
diff --git a/1418/CH26/EX26.26/EX26_26.jpg b/1418/CH26/EX26.26/EX26_26.jpg Binary files differnew file mode 100644 index 000000000..8eab26053 --- /dev/null +++ b/1418/CH26/EX26.26/EX26_26.jpg diff --git a/1418/CH26/EX26.26/EX26_26.sce b/1418/CH26/EX26.26/EX26_26.sce new file mode 100644 index 000000000..070e89bed --- /dev/null +++ b/1418/CH26/EX26.26/EX26_26.sce @@ -0,0 +1,32 @@ +//EXAMPLE 26.26
+//LONG SHUNT DYNAMO
+
+clc;
+funcprot(0);
+
+//Variable Initialisation
+N=1000;.....................//Speed of the generator in rpm
+Po=22;....................//Output power in Kilo Watts
+V=220;....................//Terminal voltage in Volts
+Ra=0.05;..................//Armature resisitance in Ohms
+Rsh=110;...................//Shunt field resistance in Ohms
+Rse=0.06;..................//Series field resisitance in Ohms
+eff=88;....................//Overall efficiency in Percentage
+
+Ish=V/Rsh;.....................//Shunt field current in Amperes
+I=(Po*1000)/V;.................//Load current in Amperes
+Ia=I+Ish;........................//Armature current in Amperes
+Vse=Ia*Rse;.........................//Drop in series field windings in Volts
+Ly=(Ia^2)*Ra;........................//(Ia^2)Ra losses in Watts
+Lse=(Ia^2)*Rse;......................//Series field loss in Watts
+y=round(Lse*10)/10;.................//Rounding of decimal places
+Lsh=(Ish^2)*Rsh;....................//Shunt field loss in Watts
+Lcu=Ly+y+Lsh;.....................//Total copper losses in Watts
+disp(Lcu,"(a).Total copper losses in Watts:");
+Pin=(Po*1000)/(eff/100);................//Input power in Watts
+Lt=(Pin)-(Po*1000);................//Total lossees in Watts
+Lif=Lt-Lcu;.......................//Iron and friction losses in Watts
+T=(Pin*60)/(N*2*3.142);..............//Torque exerted by the prime mover in N-m
+y1=round(T*10)/10;.................//Rounding of decimal places
+disp(y1,"(b).Torque exerted by the prime mover in N-m:");
+
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