diff options
Diffstat (limited to '3835/CH3/EX3.3')
| -rw-r--r-- | 3835/CH3/EX3.3/Ex3_3.sce | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/3835/CH3/EX3.3/Ex3_3.sce b/3835/CH3/EX3.3/Ex3_3.sce new file mode 100644 index 000000000..0c20977ac --- /dev/null +++ b/3835/CH3/EX3.3/Ex3_3.sce @@ -0,0 +1,25 @@ +clear +// +//given +pi=3.14 +N=250 +I=1.5 +ls1=0.627 //mean length of steel string +la=0.0001 //length of air gap +A=4.91*10**-4 //cross sectional area of magnetic circuit +f=N*I //magnetomotive force +printf("\n Magnetomotive force= %0.0f AT",f) +fa=1050 //fa=mmf of air gap=1050AT +fs=450 //fs=mmf of steel ring=450 +//case b +u1=4*%pi*10**-7 +ra=la/(u1*A) //reluctance of air gap +printf("\n The reluctance of air gap is= %0.3f AT/Wb",ra) +flux=fa/ra +printf("\n The flux is= %0.2f Wb",flux) +//case c +fluxdensity=flux/A +printf("\n The flux density is= %0.5f Wb/m**2",fluxdensity) +//case d +rs=fs/flux //reluctance of steel string +printf("\n The reluctance of steel string is= %0.6f AT/Wb",rs) |