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 --- 2444/CH3/EX3.1/ex3_1.sce | 17 +++++++++++++++++ 2444/CH3/EX3.2/ex3_2.sce | 16 ++++++++++++++++ 2444/CH3/EX3.3/ex3_3.sce | 22 ++++++++++++++++++++++ 2444/CH3/EX3.4/ex3_4.sce | 13 +++++++++++++ 4 files changed, 68 insertions(+) create mode 100755 2444/CH3/EX3.1/ex3_1.sce create mode 100755 2444/CH3/EX3.2/ex3_2.sce create mode 100755 2444/CH3/EX3.3/ex3_3.sce create mode 100755 2444/CH3/EX3.4/ex3_4.sce (limited to '2444/CH3') diff --git a/2444/CH3/EX3.1/ex3_1.sce b/2444/CH3/EX3.1/ex3_1.sce new file mode 100755 index 000000000..28f8705a3 --- /dev/null +++ b/2444/CH3/EX3.1/ex3_1.sce @@ -0,0 +1,17 @@ +// Exa 3.1 +clc; +clear; +close; +format('v',7) +// Given data +x = 1000;// in AT/m assumed +y = 0.2;// in T assumed +a = 9.3;// area in cm^2 +// Hysteresis loss/m^3/cycle +H = a*x*y;// in J/m^3/cycle +disp(H,"Hysteresis loss per cubic meter per cycle in J/m^3/cycle is"); +f = 50;// in Hz +// Hystersis loss per cubic meter at a frequency of 50Hz +h = H*f;// in W +h = h * 10^-3;// in kW +disp(h,"Hystersis loss per cubic meter at a frequency of 50Hz in kW is"); diff --git a/2444/CH3/EX3.2/ex3_2.sce b/2444/CH3/EX3.2/ex3_2.sce new file mode 100755 index 000000000..ff7f88809 --- /dev/null +++ b/2444/CH3/EX3.2/ex3_2.sce @@ -0,0 +1,16 @@ +// Exa 3.2 +clc; +clear; +close; +format('v',6) +// Given data +a = 93;// in cm^2 +x = 0.1;// in Wb/m^2 +y = 50;// in AT/m +// Hysteresis loss/m^3/cycle +H = a*x*y;// in J/m^3/cycle +f = 65;// in Hz +V = 1500;// in cm^3 +V = V * 10^-6;// in m^3 +Ph = H*f*V;// in W +disp(Ph,"The hysteresis loss in W is"); diff --git a/2444/CH3/EX3.3/ex3_3.sce b/2444/CH3/EX3.3/ex3_3.sce new file mode 100755 index 000000000..a80b4beb5 --- /dev/null +++ b/2444/CH3/EX3.3/ex3_3.sce @@ -0,0 +1,22 @@ +// Exa 3.3 +clc; +clear; +close; +format('v',8) +// Given data +Eta =628;// in J/m^3 +Bmax = 1.3;// in T +f = 25;// in Hz +m = 50;// in kg +rho = 7.8*10^3;// in kg/m^3 +V = m/rho;// in m^3 +H = round(Eta*(Bmax^1.6)*f*V);// Hystersis loss in J/s +H = H * 60 *60;// Hystersis loss in J/hour +disp(H,"The Hystersis loss per hour in J is"); +h = Eta*(Bmax^1.6);// Hystersis loss/m^3/cycle +// h = x*y*area of B_H loop +x = 12.5;// in AT/m +y = 0.1;// in T +Area = h/(x*y);// in cm^2 +format('v',5) +disp(Area,"The area of B-H loop in cm^2 is"); diff --git a/2444/CH3/EX3.4/ex3_4.sce b/2444/CH3/EX3.4/ex3_4.sce new file mode 100755 index 000000000..f648c23e6 --- /dev/null +++ b/2444/CH3/EX3.4/ex3_4.sce @@ -0,0 +1,13 @@ +// Exa 3.4 +clc; +clear; +close; +format('v',7) +// Given data +Pe1 = 1600;// in W +Bmax1 = 1.2;// in T +f1 = 50;// in Hz +Bmax2 = 1.5;// in T +f2 = 60;// in Hz +Pe2 = Pe1*(Bmax2/Bmax1)^2*(f2/f1)^2;// in W +disp(Pe2,"The eddy current loss in W is"); -- cgit