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Diffstat (limited to '2297/CH4/EX4.7/Ex4_7.sce')
| -rwxr-xr-x | 2297/CH4/EX4.7/Ex4_7.sce | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/2297/CH4/EX4.7/Ex4_7.sce b/2297/CH4/EX4.7/Ex4_7.sce new file mode 100755 index 000000000..fb1dbee9c --- /dev/null +++ b/2297/CH4/EX4.7/Ex4_7.sce @@ -0,0 +1,22 @@ +// Example 4.7;iron losses +clc; +close; +clear; +//given +format('v',6) +kva=200;//kVA +pf=0.8;//power factor +rflo=kva*pf;//kW +ef=0.96;//efficiency +ip=rflo/ef;//kW +tl=ip-rflo;//kW +e2=800;//volts +e1=6600;//volts +n21=((e2/sqrt(3))/e1);//turn ratiom +r1=4;//ohms +r2=0.05;//ohms +roe=(r1)*n21^2+r2;//ohms +fli=((kva*10^3)/(sqrt(3)*e2));//amperes +fcl=3*fli^2*roe;//kW +il=tl-(fcl)*10^-3;//kW +disp(il,"iron losses is,(kW)=") |