initial commit / add all books

1 files changed, 23 insertions, 0 deletions

diff --git a/343/CH4/EX4.21/ex4_21.sce b/343/CH4/EX4.21/ex4_21.sce
new file mode 100755
index 000000000..0e44aae2d
--- /dev/null
+++ b/343/CH4/EX4.21/ex4_21.sce
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+clc
+r1=0.3        //Assigning values to parameters
+r2=0.01
+x1=1.1
+x2=0.035
+kva=100
+v1=2200
+e1=v1
+n1=400
+n2=80
+k=n2/n1
+r01=r1+r2/(k*k)
+x01=x1+x2/(k*k)
+z01=sqrt(r01*r01+x01*x01)
+e2=k*e1
+i2=kva*1000/e2
+r02=k*k*r01
+x02=k*k*x01
+pr1=(i2*r02*cosd(t)-i2*x02*sind(t))*100/e2
+v2=e2-(e2*pr1/100)
+disp("ohms",z01,"The equivalent primary resistance is")
+disp(pr1,"The percentage voltage regulation at full load 0.8 pf leading is");
+disp("Volts",v2,"The secondary terminal voltage is")