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Diffstat (limited to '1445/CH8/EX8.10')
-rw-r--r-- | 1445/CH8/EX8.10/ch8_ex_10.sce | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/1445/CH8/EX8.10/ch8_ex_10.sce b/1445/CH8/EX8.10/ch8_ex_10.sce new file mode 100644 index 000000000..8ecea55db --- /dev/null +++ b/1445/CH8/EX8.10/ch8_ex_10.sce @@ -0,0 +1,55 @@ +//CHAPTER 8- DIRECT CURRENT MACHINES +//Example 10 + +disp("CHAPTER 8"); +disp("EXAMPLE 10"); + +//VARIABLE INITIALIZATION +P=6; //number of poles +I=80; //current per conductor in Amperes +Z=400; //tottal number of conductors +phi=0.020; //flux per pole in Wb +N=1800; //in rpm + +//SOLUTION + +//soluion (a): for wave connected +disp("(a) For Wave connected"); + +//(i) +A=2; //A=number of parallel paths +I_a=I*A; +disp(sprintf("(i) The total current is %f A",I_a)); + +//(ii) +E_a=(phi*Z*N*P)/(60*A); +disp(sprintf("(ii) The emf is %f V",E_a)); + +//(iii) +p=E_a*I_a; +disp(sprintf("(iii) The power developed in armature is %f kW",p/1000)); +w=(2*%pi*N)/60; +T_e=p/w; +disp(sprintf("The electromagnetic torque is %f N-m",T_e)); + + +//soluion (b): for lap connected +disp("(b) For Lap connected"); + +//(i) +A=P; +I_a=I*A; +disp(sprintf("(i) The total current is %f A",I_a)); + +//(ii) +E_a=(phi*Z*N*P)/(60*A); +disp(sprintf("(ii) The emf is %f V",E_a)); + +//(iii) +p=E_a*I_a; +disp(sprintf("(iii) The power developed in armature is %f kW",p/1000)); +w=(2*%pi*N)/60; +T_e=p/w; +disp(sprintf("The electromagnetic torque is %f N-m",T_e)); + +//END |