diff options
Diffstat (limited to '3835/CH9/EX9.4/Ex9_4.sce')
| -rw-r--r-- | 3835/CH9/EX9.4/Ex9_4.sce | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/3835/CH9/EX9.4/Ex9_4.sce b/3835/CH9/EX9.4/Ex9_4.sce new file mode 100644 index 000000000..086df85bf --- /dev/null +++ b/3835/CH9/EX9.4/Ex9_4.sce @@ -0,0 +1,15 @@ +clear +// +//given +i=250 +v=125 +rl=v/i //load resistance +gemf=125+200*0.05+1.5 +printf("\n generated emf= %0.1f V",gemf) +e=(136.5*1200)/1500 //generated emf at 1200rpm +//let v be the terminal voltage at 1200rpm +//then armature current ia=v/rl +//substituting all values in v=e-ia*ra-(voltage drop across the brushes)=97.91 +v=97.91 +i=v*2 //where rl=0.5 in the denominator is written as 2 +printf("\n current= %0.1f A",i) |