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 --- 431/CH3/EX3.7/EX3_7.sce | 20 ++++++++++++++++++++ 431/CH3/EX3.7/resultEX3_7.txt | 7 +++++++ 2 files changed, 27 insertions(+) create mode 100755 431/CH3/EX3.7/EX3_7.sce create mode 100755 431/CH3/EX3.7/resultEX3_7.txt (limited to '431/CH3/EX3.7') diff --git a/431/CH3/EX3.7/EX3_7.sce b/431/CH3/EX3.7/EX3_7.sce new file mode 100755 index 000000000..6a7e03bb2 --- /dev/null +++ b/431/CH3/EX3.7/EX3_7.sce @@ -0,0 +1,20 @@ +//Calculating the magnetising current,core loss and flux +//Chapter 3 +//Example 3.7 +//page 208 +clear; +clc; +disp("Example 3.7") +V1=230; //voltage in volts +f=50; //frequency of supply in hertz +N1=250; //number of primary turns +I0=4.5; //no-load current in amperes +phi0=acosd(0.25); +Im=I0*sind(phi0) +printf("magnetising current,Im=%fA",Im); +Pc=V1*I0*cosd(phi0); +printf("\nCore loss=%dW",Pc) +disp("neglecting I^2R loss in primary winding at no-load") +E1=V1; +phi=E1/(4.44*f*N1); +printf("\nMaximium value of flux in the core=%fWb",phi) \ No newline at end of file diff --git a/431/CH3/EX3.7/resultEX3_7.txt b/431/CH3/EX3.7/resultEX3_7.txt new file mode 100755 index 000000000..f5e9e348b --- /dev/null +++ b/431/CH3/EX3.7/resultEX3_7.txt @@ -0,0 +1,7 @@ + + Example 3.7 +magnetising current,Im=4.357106A +Core loss=258W + neglecting I^2R loss in primary winding at no-load + +Maximium value of flux in the core=0.004144Wb \ No newline at end of file -- cgit