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Diffstat (limited to '1445/CH3/EX3.7/ch3_ex_7.sce')
-rw-r--r-- | 1445/CH3/EX3.7/ch3_ex_7.sce | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/1445/CH3/EX3.7/ch3_ex_7.sce b/1445/CH3/EX3.7/ch3_ex_7.sce new file mode 100644 index 000000000..5e06ddee5 --- /dev/null +++ b/1445/CH3/EX3.7/ch3_ex_7.sce @@ -0,0 +1,33 @@ +//CHAPTER 3- THREE-PHASE A.C. CIRCUITS +//Example 7 + +disp("CHAPTER 3"); +disp("EXAMPLE 7"); + +//VARIABLE INITIALIZATION +v_ph=200; //in Volts +r1=5; //in Ohms +r2=8; //in Ohms +r3=10; //in Ohms + +//SOLUTION +I1=v_ph/r1; +I2=v_ph/r2; +I3=v_ph/r3; +disp(sprintf("The current in the three phases are %d A, %d A and %d A",I1,I2,I3)); + +I_x=0+I2*(sqrt(3)/2)-I3*(sqrt(3)/2); //x-component of the three currents =>I_x = I1*cos(90) + I2*cos(30) + I3*cos(30) +I_y=I1-I2*0.5-I3*0.5; //y-component of the three currents =>I_y = I1*sin(90) + I2*sin(30) + I3*sin(30) +I=sqrt((I_x^2)+(I_y^2)); +disp(sprintf("The neutral current is %f A",I)); + +p1=v_ph*I1; +p2=v_ph*I2; +p3=v_ph*I3; +disp(sprintf("The power consumed in the three phases are %d W, %d W and %d W",p1,p2,p3)); + +p=p1+p2+p3; +disp(sprintf("The total power is %d W",p)); + +//END + |