From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 833/CH2/EX2.9/Ex2_9.txt | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100755 833/CH2/EX2.9/Ex2_9.txt (limited to '833/CH2/EX2.9/Ex2_9.txt') diff --git a/833/CH2/EX2.9/Ex2_9.txt b/833/CH2/EX2.9/Ex2_9.txt new file mode 100755 index 000000000..b8a1c3a2f --- /dev/null +++ b/833/CH2/EX2.9/Ex2_9.txt @@ -0,0 +1,24 @@ +//Caption: Find how they will share 750KVA load at 0.8 power factor lagging +//Exa:2.9 +clc; +clear; +close; +P_s1=500000//Supplied power(in VA) to first transformer +r_1=0.01//Per unit resistance of first transformer +x_1=0.05//Per unit reactance of first transformer +P_s2=250000//Supplied power(in VA) to second transformer +r_2=0.015//Per unit resistance of second transformer +x_2=0.04//Per unit reactance of second transformer +P_l=750000//Load(in VA) +pf=0.8//Powerfactor lagging +V_2=400//Secondary voltage of each transformer(in volts) +Z_1=r_1+(%i*x_1) +Z_2=((2*r_2)+(2*%i*x_2)) +Z=Z_1+Z_2 +S=P_l*(pf-(%i*(sind(acosd(pf))))) +S_1=(S*Z_2)/(Z) +s_1=sqrt(((real(S_1))^2)+((imag(S_1)^2))) +disp(s_1,'Load on first transformer(in VA)=') +S_2=(S*Z_1)/(Z) +s_2=sqrt(((real(S_2))^2)+((imag(S_2)^2))) +disp(s_2,'Load on second transformer(inVA)=') \ No newline at end of file -- cgit