2 files changed, 33 insertions, 0 deletions
diff --git a/3802/CH12/EX12.3/Ex12_3.jpg b/3802/CH12/EX12.3/Ex12_3.jpg
new file mode 100644
index 000000000..d6e35bb90
--- /dev/null
+++ b/3802/CH12/EX12.3/Ex12_3.jpg
diff --git a/3802/CH12/EX12.3/Ex12_3.sce b/3802/CH12/EX12.3/Ex12_3.sce
new file mode 100644
index 000000000..500460b64
--- /dev/null
+++ b/3802/CH12/EX12.3/Ex12_3.sce
@@ -0,0 +1,33 @@
+//Book Name:Fundamentals of Electrical Engineering
+//Author:Rajendra Prasad
+//Publisher: PHI Learning Private Limited
+//Edition:Third ,2014
+
+//Ex12_3.sce
+
+clc;
+clear;
+P=36;   //power in kilowatt
+Vl=440;
+f=50;
+efficiency=0.89;
+pf1=0.85;
+pf2=0.95;
+P_not=P/3;
+P_input=P_not/efficiency;
+Q1=P_input*tand(acosd(pf1));
+Q2=P_input*tand(acosd(pf2));
+Qc=Q1-Q2;
+kVA=3*Qc;
+printf("\n Total kVA of the capacitors for raising power factor to 0.95 is %2.2f kVAR \n",kVA)
+V=Vl/sqrt(3);
+Xc=V^2/(Qc*1e3);
+
+printf("\n(a)")
+C_star=1/(2*%pi*f*Xc);
+printf("\n Required capacitance per phase for star connected capacitors=%3.3f micro-farad \n",C_star/1e-6)
+
+printf("\n(b)")
+C_delta=C_star/3;
+printf("\n Required capacitance per phase for delta connected capacitors=%2.2f micro-farad \n",C_delta/1e-6)
+//Answer vary dueto round off error