diff options
Diffstat (limited to '3888/CH3')
| -rw-r--r-- | 3888/CH3/EX3.2/Ex3_2.JPG | bin | 0 -> 23856 bytes | |||
| -rw-r--r-- | 3888/CH3/EX3.2/Ex3_2.sce | 27 | ||||
| -rw-r--r-- | 3888/CH3/EX3.4/Ex3_4.JPG | bin | 0 -> 33248 bytes | |||
| -rw-r--r-- | 3888/CH3/EX3.4/Ex3_4.sce | 75 | ||||
| -rw-r--r-- | 3888/CH3/EX3.5/Ex3_5.JPG | bin | 0 -> 19824 bytes | |||
| -rw-r--r-- | 3888/CH3/EX3.5/Ex3_5.sce | 22 | ||||
| -rw-r--r-- | 3888/CH3/EX3.6/Ex3_6.JPG | bin | 0 -> 23401 bytes | |||
| -rw-r--r-- | 3888/CH3/EX3.6/Ex3_6.sce | 27 |
8 files changed, 151 insertions, 0 deletions
diff --git a/3888/CH3/EX3.2/Ex3_2.JPG b/3888/CH3/EX3.2/Ex3_2.JPG Binary files differnew file mode 100644 index 000000000..d47035847 --- /dev/null +++ b/3888/CH3/EX3.2/Ex3_2.JPG diff --git a/3888/CH3/EX3.2/Ex3_2.sce b/3888/CH3/EX3.2/Ex3_2.sce new file mode 100644 index 000000000..40ac1a822 --- /dev/null +++ b/3888/CH3/EX3.2/Ex3_2.sce @@ -0,0 +1,27 @@ +//Electric Power Generation, Transmission and Distribution by S.N.Singh
+//Publisher:PHI Learning Private Limited
+//Year: 2012 ; Edition - 2
+//Example 3.2
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+vs=220; // Supply voltage in Volts
+rs=5; // Series resistance in Ohms
+rp=2; // Parallel resistance in Ohms
+xlp=8*%i; // Parallel inductive reactance in Ohms
+xcp=-6*%i; // Parallel capacitive reactance in Ohms
+zeq=((rp+xlp)*xcp)/(rp+xlp+xcp); // Equivalent impedance of parallel branch in Ohms
+I=vs/(rs+zeq); // Current in the series branch in Ampere
+Ps=((I)^2)*rs; // Power in 5 ohm resistor Watts
+I1=I*xcp/(rp+xlp+xcp); // Current in branch ab in Ampere
+I2=I*(rp+xlp)/(rp+xlp+xcp); // Current in branch cd in Ampere
+Pab=(I1^2)*rp; // Power loss in branch ab resistor in Watts
+Qab=(I1^2)*xlp; // Power loss in branch ab inductor in VAR
+Qcd=(I2^2)*(xcp); // Power loss in branch cd capacitor in VAR
+
+printf('The power loss in 5 ohm resistor is %.2f watts \n',abs(Ps))
+printf('The power loss in branch ab resistor is %.2f watts \n',abs(Pab))
+printf('The power loss in branch ab induoctor is %.2f VAR \n',abs(Qab))
+printf('The power loss in branch cd capacitor is %.2f VAR \n',-abs(Qcd)) //Negative sign since capacitor supplies reactive power
diff --git a/3888/CH3/EX3.4/Ex3_4.JPG b/3888/CH3/EX3.4/Ex3_4.JPG Binary files differnew file mode 100644 index 000000000..7a708b2b4 --- /dev/null +++ b/3888/CH3/EX3.4/Ex3_4.JPG diff --git a/3888/CH3/EX3.4/Ex3_4.sce b/3888/CH3/EX3.4/Ex3_4.sce new file mode 100644 index 000000000..ff2129764 --- /dev/null +++ b/3888/CH3/EX3.4/Ex3_4.sce @@ -0,0 +1,75 @@ +//Electric Power Generation, Transmission and Distribution by S.N.Singh
+//Publisher:PHI Learning Private Limited
+//Year: 2012 ; Edition - 2
+//Example 3.4
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+MVAnew=100; //MVA reference in MVA
+KVnew=11; //KV reference before Transformer in kV
+KVnew1=132; //KV reference after Transformer in kV
+MVAg1=100; //Apparent power in Generator 1 in MVA
+KVg1=11; //Voltage at Generator bus 1 in kV
+Xg1=0.25; //Reactance of Generator 1 at individual p.u. Ohm
+MVAg2=150; //Apparent power in Generator 2 in MVA
+KVg2=16; //Voltage at Generator bus 2 in kV
+Xg2=0.10; //Reactance of Generator 2 at individual p.u Ohm
+MVAg3=200; //Apparent power in Generator 3 in MVA
+KVg3=21; //Voltage at Generator bus 3 in kV
+Xg3=0.15; //Reactance of Generator 3 at individual p.u Ohm
+MVAt1=150; //Apparent power in Transformer 1 in MVA
+t1pry=11; //Primary voltage in Transformer 1 in kV
+t1sec=132; //Secondary voltage in Transformer 1 in kV
+Xt1=0.05; //Reactance of Transformer 1 at individual p.u Ohm
+MVAt2=200; //Apparent power in Transformer 2 in MVA
+t2pry=16; //Primary voltage in Transformer 2 in kV
+t2sec=132; //Secondary voltage in Transformer 2 in kV
+Xt2=0.10; //Reactance of Transformer 2 at individual p.u Ohm
+MVAt3=250; //Apparent power in Transformer 3 in MVA
+t3pry=21; //Primary voltage in Transformer 3 in kV
+t3sec=132; //Secondary voltage in Transformer 3 in kV
+Xt3=0.05; //Reactance of Transformer 3 at individual p.u Ohm
+Xl1=100; //Reactance of Transmission line 1 at individual p.u Ohm
+Xl2=50; //Reactance of Transmission line 2 at individual p.u Ohm
+Xl3=80; //Reactance of Transmission line 3 at individual p.u Ohm
+X1=Xg1*(MVAnew/MVAg1)*(KVg1/KVnew)^2; //Reactance of Generator 1 at individual p.u Ohm
+X2=Xg2*(MVAnew/MVAg2)*(KVg2/KVnew)^2; //Reactance of Generator 2 at individual p.u Ohm
+X3=Xg3*(MVAnew/MVAg3)*(KVg3/KVnew)^2; //Reactance of Generator 3 at individual p.u Ohm
+T1=Xt1*(MVAnew/MVAt1)*(t1pry/KVnew)^2; //Impedance of Transformer 1 at individual p.u Ohm
+T2=Xt2*(MVAnew/MVAt2)*(t2pry/KVnew)^2; //Impedance of Transformer 2 at individual p.u Ohm
+T3=Xt3*(MVAnew/MVAt3)*(t3pry/KVnew)^2; //Impedance of Transformer 3 at individual p.u Ohm
+Zb=((KVnew1)^2)/MVAnew; //Base Reactance of Transmission line at Ohm
+L1=Xl1/Zb; //Reactance of Transmission line 1 at individual p.u Ohm
+L2=Xl2/Zb; //Reactance of Transmission line 2 at individual p.u Ohm
+L3=Xl3/Zb; //Reactance of Transmission line 3 at individual p.u Ohm
+
+
+printf("\nPer unit impedance of Generator 1 is %.3f p.u",X1);
+printf("\nPer unit impedance of Generator 2 is %.3f p.u",X2);
+printf("\nPer unit impedance of Generator 3 is %.3f p.u",X3);
+printf("\nPer unit impedance of Transformer 1 is %.3f p.u",T1);
+printf("\nPer unit impedance of Transformer 2 is %.3f p.u",T2);
+printf("\nPer unit impedance of Transformer 3 is %.3f p.u",T3);
+printf("\nPer unit Reactance of line 1 is %.3f p.u",L1);
+printf("\nPer unit Reactance of line 2 is %.3f p.u",L2);
+printf("\nPer unit Reactance of line 3 is %.3f p.u",L3);
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/3888/CH3/EX3.5/Ex3_5.JPG b/3888/CH3/EX3.5/Ex3_5.JPG Binary files differnew file mode 100644 index 000000000..cf44c52a3 --- /dev/null +++ b/3888/CH3/EX3.5/Ex3_5.JPG diff --git a/3888/CH3/EX3.5/Ex3_5.sce b/3888/CH3/EX3.5/Ex3_5.sce new file mode 100644 index 000000000..26acc005b --- /dev/null +++ b/3888/CH3/EX3.5/Ex3_5.sce @@ -0,0 +1,22 @@ +//Electric Power Generation, Transmission and Distribution by S.N.Singh
+//Publisher:PHI Learning Private Limited
+//Year: 2012 ; Edition - 2
+//Example 3.5
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+kVpry=220; //Primary voltage of Transformer in kV
+kVsec=400; //Secondary voltage of Transformer in kV
+MVAb=240; //Apparent Base power in Transformer in MVA
+Zpry=3+%i*8; //Primary Impedance of Transformer in Ohm
+Zsec=5+%i*10; //Secondary Impedance of Transformer in Ohm
+Zlv=(Zpry)+(Zsec)*(kVpry/kVsec)^2; //Impedance referred to LV side in Ohm
+Zlvpu=(Zlv)*(MVAb/(kVpry)^2); //Per unit impedance referred to LV side in p.u. Ohm
+Zhv=(Zsec)+(Zpry)*(kVsec/kVpry)^2; //Impedance referred to HV side in Ohm
+Zhvpu=(Zhv)*(MVAb/(kVsec)^2); //Per unit impedance referred to HV side in p.u. Ohm
+
+
+printf("\nPer unit impedance referred to the L.V side is %.6f + j%.6f",real (Zlvpu),imag (Zlvpu));
+printf("\nPer unit impedance referred to the H.V side is %.6f + j%.6f",real (Zhvpu),imag (Zhvpu));
diff --git a/3888/CH3/EX3.6/Ex3_6.JPG b/3888/CH3/EX3.6/Ex3_6.JPG Binary files differnew file mode 100644 index 000000000..e25785676 --- /dev/null +++ b/3888/CH3/EX3.6/Ex3_6.JPG diff --git a/3888/CH3/EX3.6/Ex3_6.sce b/3888/CH3/EX3.6/Ex3_6.sce new file mode 100644 index 000000000..b3d16b167 --- /dev/null +++ b/3888/CH3/EX3.6/Ex3_6.sce @@ -0,0 +1,27 @@ +//Electric Power Generation, Transmission and Distribution by S.N.Singh
+//Publisher:PHI Learning Private Limited
+//Year: 2012 ; Edition - 2
+//Example 3.6
+//Scilab Version : 6.0.0 ; OS : Windows
+
+clc;
+clear;
+
+V=240; //Three phase supply voltage in Volts
+Rl=20; //Load Resistance in Ohms
+Vbase=240; //Three phase Base voltage in Volts
+VAbase=10*10^3; //Base voltage in kVA
+Vpu=V/Vbase; //Voltage in p.u.
+Zbase=(Vbase^2/VAbase); //Base Impedance in Ohms
+Zpu=Rl/Zbase; //Load Impedance in p.u.
+Ibase=VAbase/((nthroot(3,2))*Vbase); //Base Current in Amps
+Ipu=Vpu/Zpu; //Current drawn in p.u.
+Ia=Ipu*Ibase; //Current drawn in Amps
+P=Vpu*Ipu; //Power drawn in p.u.
+Pt=(Ipu*VAbase)/1000; //Power drawn in kW
+
+
+printf("\nCurrent drawn in amps %.2f A",Ia);
+printf("\nPer unit value of current referred to the load side %.3f p.u",Ipu);
+printf("\nPower drawn in kilo watts %.3f kW",Pt);
+printf("\nPer unit value of Power referred to the load side %.3f p.u",P);
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