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 --- 695/CH3/EX3.23/Ex3_23.sce | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100755 695/CH3/EX3.23/Ex3_23.sce (limited to '695/CH3/EX3.23/Ex3_23.sce') diff --git a/695/CH3/EX3.23/Ex3_23.sce b/695/CH3/EX3.23/Ex3_23.sce new file mode 100755 index 000000000..7283d09f2 --- /dev/null +++ b/695/CH3/EX3.23/Ex3_23.sce @@ -0,0 +1,20 @@ +//Caption:Calculate the core loss and copper loss and also find the value of load current at which max efficiency will be attained +//Exa:3.23 +clc; +clear; +close; +KVA=100; +V2=11000;//in volts +x1=1; +x2=0.5; +pf1=0.8; +pf2=1; +Eff_1=0.985; +Eff_2=0.99; +P_cu=(KVA*1000*x1*pf1*((1/Eff_1)-1)-x2*KVA*1000*((1/Eff_2)-1))*(4/3);// in watts +P_i=1218-P_cu;// in watts +I_fl=KVA*1000/V2; +I_2=I_fl*sqrt(P_i/P_cu); +disp(P_cu,'Copper loss (in watts)='); +disp(P_i,'Core loss (in watts)='); +disp(I_2,'Load current (in amperes)=') \ No newline at end of file -- cgit