initial commit / add all books

13 files changed, 244 insertions, 0 deletions

diff --git a/2384/CH11/EX11.1/ex11_1.sce b/2384/CH11/EX11.1/ex11_1.sce
new file mode 100755
index 000000000..0f939d54b
--- /dev/null
+++ b/2384/CH11/EX11.1/ex11_1.sce
@@ -0,0 +1,18 @@
+// Exa 11.1

+clc;

+clear;

+close;

+format('v',6)

+// Given data

+P = 4;

+f = 50;// in Hz

+Ns = (120*f)/P;// in rpm

+disp(Ns,"The synchronous speed in rpm is");

+s = 4;

+//s = ((Ns-N)/Ns)*100;

+N = Ns - ( (s*Ns)/100 );// in rpm

+disp(N,"The speed of the motor in rpm is");

+N = 1000;// in rpm

+s = ((Ns-N)/Ns);

+f_desh= s*f;// in Hz

+disp(f_desh,"The rotor current frequency in Hz is");

diff --git a/2384/CH11/EX11.10/ex11_10.sce b/2384/CH11/EX11.10/ex11_10.sce
new file mode 100755
index 000000000..504520e3d
--- /dev/null
+++ b/2384/CH11/EX11.10/ex11_10.sce
@@ -0,0 +1,15 @@
+// Exa 11.10

+clc;

+clear;

+close;

+format('v',6)

+// Given data

+R2 = 0.024;// in per phase

+X2 = 0.6;// in ohm per phase

+s = R2/X2;

+f = 50;// in Hz

+P = 4;

+Ns = (120*f)/P;// in rpm

+// Speed corresponding to maximum torque

+N = Ns*(1-s);// in rpm

+disp(N,"The speed at which maximum torque is developed in rpm is");

diff --git a/2384/CH11/EX11.11/ex11_11.sce b/2384/CH11/EX11.11/ex11_11.sce
new file mode 100755
index 000000000..7d264f1bb
--- /dev/null
+++ b/2384/CH11/EX11.11/ex11_11.sce
@@ -0,0 +1,18 @@
+// Exa 11.11

+clc;

+clear;

+close;

+format('v',6)

+// Given data

+P = 4;

+f =60;// in Hz

+s = 0.03;

+Ns = (120*f)/P;// in rpm

+N = Ns*(1-s);// in rpm

+disp(Ns,"The synchronous speed in rpm is : ")

+disp(N,"The rotor speed in rpm is");

+f_r = s*f;// in Hz

+disp(f_r,"The rotor current frequency in Hz is");

+// Rotor magnetic field rorats at speed 

+Rm = (120*f_r)/P;// in rpm

+disp(Rm,"The rotor magnetic field rotates at speed in rpm is");

diff --git a/2384/CH11/EX11.12/ex11_12.sce b/2384/CH11/EX11.12/ex11_12.sce
new file mode 100755
index 000000000..ab2451463
--- /dev/null
+++ b/2384/CH11/EX11.12/ex11_12.sce
@@ -0,0 +1,19 @@
+// Exa 11.12

+clc;

+clear;

+close;

+format('v',6)

+// Given data

+N = 960;// in rpm

+f = 50;// in Hz

+Ns = 1000;// in rpm

+s = ((Ns-N)/Ns)*100;// %s in %

+disp(s,"The slip in % is");

+f_r = (s/100)*f;// in Hz

+disp(f_r,"The frequency of rotor induced emf in Hz is");

+// Ns = (120*f)/P;

+P = (120*f)/Ns;

+disp(P,"The number of ploes is");

+// Speed of rotor field with respect to rotor structure 

+s1 = (120*f_r)/P;//in rpm

+disp(s1,"Speed of rotor field with respect to rotor structure in rpm is");

diff --git a/2384/CH11/EX11.13/ex11_13.sce b/2384/CH11/EX11.13/ex11_13.sce
new file mode 100755
index 000000000..0efe959e7
--- /dev/null
+++ b/2384/CH11/EX11.13/ex11_13.sce
@@ -0,0 +1,13 @@
+// Exa 11.13

+clc;

+clear;

+close;

+format('v',6)

+// Given data

+P = 4;

+f = 50;// in Hz

+Sfl = 4/100;

+Ns = (120*f)/P;// in rpm

+//The full load speed, Sfl = (Ns-Nfl)/Ns;

+Nfl = Ns - (Sfl*Ns);// in rpm

+disp(Nfl,"The full load speed in rpm is");

diff --git a/2384/CH11/EX11.2/ex11_2.sce b/2384/CH11/EX11.2/ex11_2.sce
new file mode 100755
index 000000000..b4581fddb
--- /dev/null
+++ b/2384/CH11/EX11.2/ex11_2.sce
@@ -0,0 +1,16 @@
+// Exa 11.2

+clc;

+clear;

+close;

+format('v',6)

+// Given data

+f = 50;// in Hz

+P = 4;

+f_DASH = 2;// in Hz

+// f_DASH = s*f;

+s = (f_DASH/f)*100;// in %

+disp(s,"The slip in % is");

+N_S = (120*f)/P;// in rpm

+// s = (N_S-N)/N_S;

+N = N_S - (s/100*N_S);// in rpm

+disp(N,"The speed of the motor in rpm is");

diff --git a/2384/CH11/EX11.3/ex11_3.sce b/2384/CH11/EX11.3/ex11_3.sce
new file mode 100755
index 000000000..568918ee7
--- /dev/null
+++ b/2384/CH11/EX11.3/ex11_3.sce
@@ -0,0 +1,25 @@
+// Exa 11.3

+clc;

+clear;

+close;

+format('v',6)

+// Given data

+P = 6;

+f = 50;// in Hz

+Snl = 1/100;

+Sfl = 3/100;

+N_S = (120*f)/P;// in rpm

+disp(N_S,"The synchronous speed in rpm is");

+Nnl = N_S*(1-Snl);// in rpm

+disp(Nnl,"No load speed in rpm is");

+Nfl = N_S*(1-Sfl);// in rpm.. correction 

+disp(Nfl,"The full load speed in rpm is");

+// frequency of rotor current 

+s = 1;

+Sf = s*f;// in Hz

+disp(Sf,"The frequency of rotor current in Hz is");

+// frequency of rotor current at full load 

+f_r = Sfl * f;// in Hz

+disp(f_r,"The frequency of rotor current at full load in Hz is");

+

+// Note : The calculated value of Nnl is wrong and value of Nfl is correct but at last they printed wrong.

diff --git a/2384/CH11/EX11.4/ex11_4.sce b/2384/CH11/EX11.4/ex11_4.sce
new file mode 100755
index 000000000..3ce9b8477
--- /dev/null
+++ b/2384/CH11/EX11.4/ex11_4.sce
@@ -0,0 +1,17 @@
+// Exa 11.4

+clc;

+clear;

+close;

+format('v',6)

+// Given data

+Pa= 12;

+N= 1440;// in rpm

+Na= 500;// in rpm

+Nm= 1450;// in rpm

+fa= Pa*Na/120;// in Hz

+Pm= round(120*fa/Nm);

+// Synchronous speed of motor

+Ns= 120*fa/Pm;// in rpm

+s= (Ns-N)/Ns*100;// in %

+disp(Pm,"The numbers of pole is : ")

+disp(s,"The percentage slip is : ")

diff --git a/2384/CH11/EX11.5/ex11_5.sce b/2384/CH11/EX11.5/ex11_5.sce
new file mode 100755
index 000000000..ccf25972d
--- /dev/null
+++ b/2384/CH11/EX11.5/ex11_5.sce
@@ -0,0 +1,22 @@
+// Exa 11.5

+clc;

+clear;

+close;

+format('v',6)

+// Given data

+K = 1/2;

+P = 4;

+f = 50;// in Hz

+N = 1445;// in rpm

+E1line = 415;// in V

+Ns = (120*f)/P;// in rpm

+N = 1455;// in rpm

+s = (Ns-N)/Ns*100;// in %

+f_r = s/100*f;// in Hz

+disp(f_r,"The frequency of rotor in Hz is");

+E1ph = E1line/sqrt(3);// in V

+//E2ph/E1ph = K;

+E2ph = E1ph*K;// in V

+disp(E2ph,"The magnitude of induced emf in V is");

+E2r = s/100*E2ph;// in V

+disp(E2r,"The magnitude of induced emf in the running condition in V is");

diff --git a/2384/CH11/EX11.6/ex11_6.sce b/2384/CH11/EX11.6/ex11_6.sce
new file mode 100755
index 000000000..5556100fc
--- /dev/null
+++ b/2384/CH11/EX11.6/ex11_6.sce
@@ -0,0 +1,19 @@
+// Exa 11.6

+clc;

+clear;

+close;

+format('v',6)

+// Given data

+P = 4;

+S =4/100;

+f = 50;// in Hz

+Ns = (120*f/P);// in rpm

+disp(Ns,"The value of Ns in rpm is");

+// The rotor speed when slip is 4 %

+N = Ns*(1-S);// in rpm

+disp(N,"The rotor speed when slip is 4% in rpm is");

+// The rotor speed when rotor runs at 600 rpm

+N1 = 600;// in rpm

+s1 = ((Ns-N1)/Ns)*100;// in %

+f_r = (s1/100)*f;// in Hz

+disp(f_r,"The rotor frequency when rotor runs at 600 rpm in Hz is");

diff --git a/2384/CH11/EX11.7/ex11_7.sce b/2384/CH11/EX11.7/ex11_7.sce
new file mode 100755
index 000000000..a30573d2e
--- /dev/null
+++ b/2384/CH11/EX11.7/ex11_7.sce
@@ -0,0 +1,22 @@
+// Exa 11.7

+clc;

+clear;

+close;

+format('v',6)

+// Given data

+V_L = 230;// in V

+f = 50;// in Hz

+N = 950;// in rpm

+E2 = 100;// in V

+Ns =1000;// in rpm

+// Ns = 120*f/P;

+P = (120*f)/Ns;

+disp(P,"The Number of ploes is");

+s = ((Ns-N)/Ns)*100;// %s in %

+disp(s,"The percentage of full load slip in % is");

+// The rotor induced voltage at full load

+E2r = (s/100)*E2;// in V

+disp(E2r,"The rotor induced voltage in V is");

+// The rotor frequency at full load

+f_r = (s/100)*f;// in Hz

+disp(f_r,"The frequency at full load in Hz is");

diff --git a/2384/CH11/EX11.8/ex11_8.sce b/2384/CH11/EX11.8/ex11_8.sce
new file mode 100755
index 000000000..3ba593e49
--- /dev/null
+++ b/2384/CH11/EX11.8/ex11_8.sce
@@ -0,0 +1,24 @@
+// Exa 11.8

+clc;

+clear;

+close;

+format('v',6)

+// Given data

+V = 440;// in V

+f = 50;// in Hz

+N = 1450;// in rpm

+Ns = 1450;// in rpm

+Nr = 1450;// in rpm

+P = round((120*f)/Ns);

+disp(P,"The number of poles in the machine is");

+P = 4;

+Ns = (120*f)/P;// in rpm

+disp(Ns,"Speed of rotation air gap field in rpm is");

+k = 0.8/1;

+//Pemf = k*E1 = k*V;

+Pemf = k*V;// produced emf in rotor in V

+disp(Pemf,"Produced emf in rotor in V is");

+s = ((Ns-Nr)/Ns)*100;// in %

+Ivoltage = k*(s/100)*V;// rotor induces voltage in V

+f_r = (s/100)*f;// in Hz

+disp(f_r,"The frequency of rotor current in Hz is ");

diff --git a/2384/CH11/EX11.9/ex11_9.sce b/2384/CH11/EX11.9/ex11_9.sce
new file mode 100755
index 000000000..014b6e6a2
--- /dev/null
+++ b/2384/CH11/EX11.9/ex11_9.sce
@@ -0,0 +1,16 @@
+// Exa 11.9

+clc;

+clear;

+close;

+format('v',6)

+// Given data

+P = 8;

+f = 50;// in Hz

+f_r = 2;// in Hz

+// f_r = s*f;

+s = (f_r/f)*100;// in %

+disp(s,"The full load slip in % is");

+// s = Ns-N/Ns;

+Ns = (120*f)/P;// in rpm

+N = Ns*(1-(s/100));// in rpm

+disp(N,"The corresponding speed in rpm is");