diff options
Diffstat (limited to '3890/CH2')
| -rw-r--r-- | 3890/CH2/EX2.1/Ex2_1.png | bin | 0 -> 52004 bytes | |||
| -rw-r--r-- | 3890/CH2/EX2.1/Ex2_1.sce | 23 | ||||
| -rw-r--r-- | 3890/CH2/EX2.2/Ex2_2.png | bin | 0 -> 48822 bytes | |||
| -rw-r--r-- | 3890/CH2/EX2.2/Ex2_2.sce | 26 | ||||
| -rw-r--r-- | 3890/CH2/EX2.3/Ex2_3.png | bin | 0 -> 49350 bytes | |||
| -rw-r--r-- | 3890/CH2/EX2.3/Ex2_3.sce | 24 | ||||
| -rw-r--r-- | 3890/CH2/EX2.5/Ex2_5.png | bin | 0 -> 33651 bytes | |||
| -rw-r--r-- | 3890/CH2/EX2.5/Ex2_5.sce | 19 | ||||
| -rw-r--r-- | 3890/CH2/EX2.6/Ex2_6.png | bin | 0 -> 34484 bytes | |||
| -rw-r--r-- | 3890/CH2/EX2.6/Ex2_6.sce | 22 | ||||
| -rw-r--r-- | 3890/CH2/EX2.7/EX2_7.png | bin | 0 -> 34943 bytes | |||
| -rw-r--r-- | 3890/CH2/EX2.7/Ex2_7.sce | 18 | ||||
| -rw-r--r-- | 3890/CH2/EX2.8/Ex2_8.png | bin | 0 -> 29420 bytes | |||
| -rw-r--r-- | 3890/CH2/EX2.8/Ex2_8.sce | 17 |
14 files changed, 149 insertions, 0 deletions
diff --git a/3890/CH2/EX2.1/Ex2_1.png b/3890/CH2/EX2.1/Ex2_1.png Binary files differnew file mode 100644 index 000000000..c6c02039b --- /dev/null +++ b/3890/CH2/EX2.1/Ex2_1.png diff --git a/3890/CH2/EX2.1/Ex2_1.sce b/3890/CH2/EX2.1/Ex2_1.sce new file mode 100644 index 000000000..3755bf30d --- /dev/null +++ b/3890/CH2/EX2.1/Ex2_1.sce @@ -0,0 +1,23 @@ +//Electric machines and power systems by Syed A Nasar
+//Publisher:TataMcgraw Hill
+//Year: 2002 ; Edition - 7
+//Example 2.1
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+a1=5*10^-4;a2=10*10^-4; //area of cross sections in m^2
+l1=24*10^-2;l2=8*10^-2; //mean length in m
+ur=500; //relative permiability of the material
+u0=4*3.14*10^-7 //permiabiity of free space
+
+u=ur*u0; //permiablity in H/m
+r1=l1/(u*a1); //reluctance of material with lenght l1
+r2=l2/(u*a2); //reluctance of material with lenght l2
+r_a=r1/2+r2; //net reluctance of a 200 turn coilin H^-1
+r_b=r1*r2/(r1+r2)+r1; //net reluctance of 100 turn coil in H^-1
+
+printf('the net reluctance of 200 turn coil is %2f in H^-1\n',r_a)
+printf('the net reluctance of 100 turn coil is %2f in H^-1\n',r_b)
+
diff --git a/3890/CH2/EX2.2/Ex2_2.png b/3890/CH2/EX2.2/Ex2_2.png Binary files differnew file mode 100644 index 000000000..86251ed90 --- /dev/null +++ b/3890/CH2/EX2.2/Ex2_2.png diff --git a/3890/CH2/EX2.2/Ex2_2.sce b/3890/CH2/EX2.2/Ex2_2.sce new file mode 100644 index 000000000..0c795fc0d --- /dev/null +++ b/3890/CH2/EX2.2/Ex2_2.sce @@ -0,0 +1,26 @@ +//Electric machines and power systems by Syed A Nasar
+//Publisher:TataMcgraw Hill
+//Year: 2002 ; Edition - 7
+//Example 2.2
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+bg=1; //flux density of air gap in T
+u0=4*3.14*10^-7; //permiability of free space
+lg=0.1*10^-3; //length of air gap in m
+sf=0.9; //stacking factor of M19 steel
+lm=100*10^-3; //length of the steel in m
+h=130; //flux density in At/m
+
+hg=bg/u0; //magnetic field intensity in A/m
+fg=hg*lg; //reluctance drop or magnetic potential across gap in A
+bm=bg/sf; //flux density in magnetic material in T
+Fm=h*0.1; //magnetic potenial of other member in At
+AT=Fm+fg; //the required ampere turn in At
+
+printf('the required ampere turn in the exciting coil is %2f in At',AT)
+
+
+
diff --git a/3890/CH2/EX2.3/Ex2_3.png b/3890/CH2/EX2.3/Ex2_3.png Binary files differnew file mode 100644 index 000000000..47d980875 --- /dev/null +++ b/3890/CH2/EX2.3/Ex2_3.png diff --git a/3890/CH2/EX2.3/Ex2_3.sce b/3890/CH2/EX2.3/Ex2_3.sce new file mode 100644 index 000000000..68d774df8 --- /dev/null +++ b/3890/CH2/EX2.3/Ex2_3.sce @@ -0,0 +1,24 @@ +//Electric machines and power systems by Syed A Nasar
+//Publisher:TataMcgraw Hill
+//Year: 2002 ; Edition - 7
+//Example 2.3
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+bg=0.001; //flux in the air gap in Wb
+Am=16*10^-4; //area of magnetic member in m^2
+u0=4*3.14*10^-7; //permiability of free space
+lm=0.1; //length of the steel in m
+lg=0.1*10^-3; //length of air gap in m
+sf=0.9; //stacking factor of M19 steel
+h=130,hm=54; //flux density in At/m
+
+rg=lg/(1.1*u0*Am); //reluctance
+bm=bg/(sf*Am); //flux density in magnetic material in T
+ua=bm/(u0*hm); //amplitude of permeability
+rm=lm/(ua*u0*Am); //reluctance of magnetic member
+NI=bg*(rg+rm); //exciting ammpereturns in At
+
+printf('the required ampere turns is %2f',NI)
diff --git a/3890/CH2/EX2.5/Ex2_5.png b/3890/CH2/EX2.5/Ex2_5.png Binary files differnew file mode 100644 index 000000000..b1e915cfb --- /dev/null +++ b/3890/CH2/EX2.5/Ex2_5.png diff --git a/3890/CH2/EX2.5/Ex2_5.sce b/3890/CH2/EX2.5/Ex2_5.sce new file mode 100644 index 000000000..95b422a35 --- /dev/null +++ b/3890/CH2/EX2.5/Ex2_5.sce @@ -0,0 +1,19 @@ +//Electric machines and power systems by Syed A Nasar
+//Publisher:TataMcgraw Hill
+//Year: 2002 ; Edition - 7
+//Example 2.5
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+u0=4*3.14*10^-7; //permeability of free space
+f=0.001; //flux in wb
+Am=16*10^-4; //area in m
+Bm=1.1; //flux in wb
+
+Bg=f/(Bm*Am);
+vol=Bm*Am*10^-4;
+w=(Bg^2)*(vol)/(2*u0);
+
+printf('the energy stored is %f J',w)
diff --git a/3890/CH2/EX2.6/Ex2_6.png b/3890/CH2/EX2.6/Ex2_6.png Binary files differnew file mode 100644 index 000000000..ab45eaa91 --- /dev/null +++ b/3890/CH2/EX2.6/Ex2_6.png diff --git a/3890/CH2/EX2.6/Ex2_6.sce b/3890/CH2/EX2.6/Ex2_6.sce new file mode 100644 index 000000000..9d859c9a4 --- /dev/null +++ b/3890/CH2/EX2.6/Ex2_6.sce @@ -0,0 +1,22 @@ +//Electric machines and power systems by Syed A Nasar
+//Publisher:TataMcgraw Hill
+//Year: 2002 ; Edition - 7
+//Example 2.5
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+N1=10; //number of turns in coil 1
+F1=0.001; //flux of coil 1
+I1=5.04; //current in coil 1
+
+L11=N1*F1/I1; //self inductance of the coil 1 in H
+
+disp(L11,'the self inductance of the coil in H')
+
+N2=100; //assume 100 turns
+L=N2*F1/I1;
+
+disp(L,'the self inductance for 100 turs coil in H')
+
diff --git a/3890/CH2/EX2.7/EX2_7.png b/3890/CH2/EX2.7/EX2_7.png Binary files differnew file mode 100644 index 000000000..a36ecc256 --- /dev/null +++ b/3890/CH2/EX2.7/EX2_7.png diff --git a/3890/CH2/EX2.7/Ex2_7.sce b/3890/CH2/EX2.7/Ex2_7.sce new file mode 100644 index 000000000..4ab149578 --- /dev/null +++ b/3890/CH2/EX2.7/Ex2_7.sce @@ -0,0 +1,18 @@ +//Electric machines and power systems by Syed A Nasar
+//Publisher:TataMcgraw Hill
+//Year: 2002 ; Edition - 7
+//Example 2.7
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+N1=10; //number of turns in coil1
+N2=20; //numeber of turns in coil2
+F1=0.001; //flux of coil
+I=5.04; //current in the coil
+
+L21=N2*F1/I;
+
+disp(L21,'flux produced by coil1 links to coil 2 in H')
+
diff --git a/3890/CH2/EX2.8/Ex2_8.png b/3890/CH2/EX2.8/Ex2_8.png Binary files differnew file mode 100644 index 000000000..b67a43f96 --- /dev/null +++ b/3890/CH2/EX2.8/Ex2_8.png diff --git a/3890/CH2/EX2.8/Ex2_8.sce b/3890/CH2/EX2.8/Ex2_8.sce new file mode 100644 index 000000000..1b1d25049 --- /dev/null +++ b/3890/CH2/EX2.8/Ex2_8.sce @@ -0,0 +1,17 @@ +//Electric machines and power systems by Syed A Nasar
+//Publisher:TataMcgraw Hill
+//Year: 2002 ; Edition - 7
+//Example 2.7
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+c=0.1; //circumference in m
+A=0.0016; //cross sectional area in m^2
+N1=10; //number of turns in the coil
+p=0.115; //amplitude permeability
+
+L11=N1^2*A*p/c;
+
+disp(L11,'the inductance of coil 1 in H')
|
