diff options
Diffstat (limited to '3681/CH7/EX7.33/Ex7_33.sce')
| -rw-r--r-- | 3681/CH7/EX7.33/Ex7_33.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/3681/CH7/EX7.33/Ex7_33.sce b/3681/CH7/EX7.33/Ex7_33.sce new file mode 100644 index 000000000..e889eda24 --- /dev/null +++ b/3681/CH7/EX7.33/Ex7_33.sce @@ -0,0 +1,16 @@ +// Calculating the rms line voltage and circulating current
+clc;
+disp('Example 7.33, Page No. = 7.75')
+// Given Data
+E = 1000;// Amplitude of fundamental emf (in V)
+R = 10;// Reactance per phase (in ohm)
+// Calculation of the rms line voltage and circulating current
+Eph1 = E/2^(1/2);// Rms value of fundamental emf per phase
+Eph3 = 0.2*Eph1;// Rms value of 3rd harmonic component of phase voltage (in V) Given 20%
+Eph5 = 0.1*Eph1;// Rms value of 5th harmonic component of phase voltage (in V) Given 10%
+Eph = (Eph1*Eph1+Eph5*Eph5)^(1/2);// Phase voltage considering no 3rd harmonic
+disp(3^(1/2)*Eph,'(a) rms line voltage when star connected (V)=');
+disp(Eph,'(b) rms line voltage when delta connected (V)=');
+I_circulating = 3*Eph3/(3*3*10);// Circulating current taking reactance corresponding to 3rd harmonic
+disp(I_circulating,'Circulating current (ampere)=');
+//in book answers are 1230.8 V, 710.6 v and 4.71 ampere respectively. The answers vary due to round off error
|