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Diffstat (limited to '3745/CH1/EX1.3')
-rw-r--r-- | 3745/CH1/EX1.3/Ex1_3.sce | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/3745/CH1/EX1.3/Ex1_3.sce b/3745/CH1/EX1.3/Ex1_3.sce new file mode 100644 index 000000000..cd80f52fd --- /dev/null +++ b/3745/CH1/EX1.3/Ex1_3.sce @@ -0,0 +1,38 @@ +// Ex 3 Page 341 + +clc;clear;close; +// Given +N=680; // turns +fi=1.6*10^3 ;// Wb +d1=4/100 ;// m +d2=24/100;//m +l=0.6;//m +mu0=4*%pi/10^7 ;// constant + + +// For air gap : +A=d1^2 ;// m^2 +Bg=fi/A ;//weber/m^2 +Hg=Bg/mu0;//AT/m +mmf1=0.001/mu0 ;// AT + +// For central limb : +A=d1^2;// m^2 +Bc=fi/A ;//weber/m^2 +Hc=900;//AT/m (from magnetization curve) +mmf2=Hc*d2 ;// AT + + +// For side limb : +fi=1/2*fi ;// Wb +A=d1^2;// m^2 +Bc=fi/A ;//weber/m^2 +Hc=520;//AT/m (from magnetization curve) +mmf3=Hc*l ;// AT + +mmf_total = mmf1+mmf2+mmf3;// AT +i=mmf_total/N ;// A +printf("Current required = %0.2f A",i) + + +// Answer in the textbook are not accurate |