From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 1319/CH10/EX10.1/10_1.sce | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 1319/CH10/EX10.1/10_1.sce (limited to '1319/CH10/EX10.1/10_1.sce') diff --git a/1319/CH10/EX10.1/10_1.sce b/1319/CH10/EX10.1/10_1.sce new file mode 100644 index 000000000..724b42d54 --- /dev/null +++ b/1319/CH10/EX10.1/10_1.sce @@ -0,0 +1,14 @@ +//Determine the additional load which can be supplied + +clc; +clear; + +printf('a) D.C two wire: \nPower transmitted by DC two wire = P and Voltage between the wires = V\n') +printf('Copper Loss = 2 *(P/V)^2)*R ; where R is the resistance of each wire\n') +printf('Per Unit Loss = 2*P*R/(V^2)\n\n') +printf('b) 3 phase 3 wire: \nPower transmitted = P''\n ') +printf('I'' = P''/(sqrt(3)*V) for unity p.f\n') +printf('Copper Loss = 3*((P''/(sqrt(3)*V))^2)*R = ((P/V)^2)*R\n') +printf('Per Unit Loss = P''*R/(V^2)\n\n') +printf('Equating the per unit loss we have\n') +printf('2*P*R/(V^2) = P''*R/(V^2) or P'' = 2P\n Which proves that 100 %% aditional pwer can be supplied by 3 phase 3 wire system\n') -- cgit