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 --- 1376/CH16/EX16.1/16_1.sci | 12 ++++++++++++ 1376/CH16/EX16.10/16_10.sci | 8 ++++++++ 1376/CH16/EX16.11/16_11.sci | 13 +++++++++++++ 1376/CH16/EX16.12/16_12.sci | 13 +++++++++++++ 1376/CH16/EX16.13/16_13.sci | 9 +++++++++ 1376/CH16/EX16.14/16_14.sci | 14 ++++++++++++++ 1376/CH16/EX16.2/16_2.sci | 19 +++++++++++++++++++ 1376/CH16/EX16.3/16_3.sci | 9 +++++++++ 1376/CH16/EX16.4/16_4.sci | 6 ++++++ 1376/CH16/EX16.5/16_5.sci | 8 ++++++++ 1376/CH16/EX16.6/16_6.sci | 17 +++++++++++++++++ 1376/CH16/EX16.7/16_7.sci | 20 ++++++++++++++++++++ 1376/CH16/EX16.8/16_8.sci | 17 +++++++++++++++++ 1376/CH16/EX16.9/16_9.sci | 11 +++++++++++ 14 files changed, 176 insertions(+) create mode 100755 1376/CH16/EX16.1/16_1.sci create mode 100755 1376/CH16/EX16.10/16_10.sci create mode 100755 1376/CH16/EX16.11/16_11.sci create mode 100755 1376/CH16/EX16.12/16_12.sci create mode 100755 1376/CH16/EX16.13/16_13.sci create mode 100755 1376/CH16/EX16.14/16_14.sci create mode 100755 1376/CH16/EX16.2/16_2.sci create mode 100755 1376/CH16/EX16.3/16_3.sci create mode 100755 1376/CH16/EX16.4/16_4.sci create mode 100755 1376/CH16/EX16.5/16_5.sci create mode 100755 1376/CH16/EX16.6/16_6.sci create mode 100755 1376/CH16/EX16.7/16_7.sci create mode 100755 1376/CH16/EX16.8/16_8.sci create mode 100755 1376/CH16/EX16.9/16_9.sci (limited to '1376/CH16') diff --git a/1376/CH16/EX16.1/16_1.sci b/1376/CH16/EX16.1/16_1.sci new file mode 100755 index 000000000..71883a2ce --- /dev/null +++ b/1376/CH16/EX16.1/16_1.sci @@ -0,0 +1,12 @@ +//16.1 +clc; +disp('For star connected load') +Il=50000/((3^0.5)*440*0.85); +printf("\nLine current=%.2f A",I1) +Iph=Il; +printf("\nPhase current=%.2f A",Iph) +disp('For Delta connected load') +Il=50000/((3^0.5)*440*0.85); +printf("\nLine current=%.2f A",I1) +Iph=Il/(3^0.5); +printf("\nPhase current=%.2f A",Iph) \ No newline at end of file diff --git a/1376/CH16/EX16.10/16_10.sci b/1376/CH16/EX16.10/16_10.sci new file mode 100755 index 000000000..602aeafe6 --- /dev/null +++ b/1376/CH16/EX16.10/16_10.sci @@ -0,0 +1,8 @@ +//16.10 +clc; +P_consumed=3000/3; +E_per_phase=440/(3^0.5); +IL=P_consumed/E_per_phase; +printf("\nCurrent in each line=%.2f A",IL) +R=E_per_phase/IL; +printf("\nResistance of resistor=%.2f ohm",R) \ No newline at end of file diff --git a/1376/CH16/EX16.11/16_11.sci b/1376/CH16/EX16.11/16_11.sci new file mode 100755 index 000000000..7271c8624 --- /dev/null +++ b/1376/CH16/EX16.11/16_11.sci @@ -0,0 +1,13 @@ +//16.11 +clc; +VL=1100; +IL=100; +pf=150*1000/(3^0.5*VL*IL); +E_per_phase=VL/3^0.5; +Zph=E_per_phase/100; +Rph=pf*Zph; +Xc=(Zph^2-Rph^2)^0.5; +C=10^6/(2*%pi*50*Xc); +disp('Circuit Constants are') +printf("\nR=%.2f ohm",Rph) +printf("\nC=%.2f uF",C) \ No newline at end of file diff --git a/1376/CH16/EX16.12/16_12.sci b/1376/CH16/EX16.12/16_12.sci new file mode 100755 index 000000000..a41871100 --- /dev/null +++ b/1376/CH16/EX16.12/16_12.sci @@ -0,0 +1,13 @@ +//16.12 +clc; +//P_input=W1+W2=15000........(i) +pf=0.4 +phi=acosd(0.4); +a=tand(phi); +//tand(phi)=(3^0.5)*(W1-W2)/(W1+W2) +//on solving W1-W2=3464.2 ..............(ii) +//From (i) and (ii) we can calculate +W1=9.232; +W2=5.768; +printf("\nW1=%.2f kW",W1) +printf("\nW2=%.2fkW ",W2) \ No newline at end of file diff --git a/1376/CH16/EX16.13/16_13.sci b/1376/CH16/EX16.13/16_13.sci new file mode 100755 index 000000000..1b3d74abe --- /dev/null +++ b/1376/CH16/EX16.13/16_13.sci @@ -0,0 +1,9 @@ +//16.13 +clc; +W1=10; +W2=-1.2; +P_absorbed=W1+W2; +printf("\nPower=%.2f kW",P_absorbed) +phi=atand((3^0.5)*(W1-W2)/(W1+W2)); +pf=cosd(phi); +printf("\nPower Factor=%.2f ",pf) \ No newline at end of file diff --git a/1376/CH16/EX16.14/16_14.sci b/1376/CH16/EX16.14/16_14.sci new file mode 100755 index 000000000..e236dacae --- /dev/null +++ b/1376/CH16/EX16.14/16_14.sci @@ -0,0 +1,14 @@ +//16.14 +clc; +P_input=10*735.5/0.82; +//P_input=W1+W2=8974........(i) +pf=0.4 +phi=acosd(0.83); +a=tand(phi); +//tand(phi)=(3^0.5)*(W1-W2)/(W1+W2) +//on solving W1-W2=3482 ..............(ii) +//From (i) and (ii) we can calculate +W1=6.228; +W2=2.746; +printf("\nW1=%.2f kW",W1) +printf("\nW2=%.2fkW ",W2) diff --git a/1376/CH16/EX16.2/16_2.sci b/1376/CH16/EX16.2/16_2.sci new file mode 100755 index 000000000..07a38fba1 --- /dev/null +++ b/1376/CH16/EX16.2/16_2.sci @@ -0,0 +1,19 @@ +//16.2 +clc; +disp('For star connection') +Zph=(12^2+5^2)^0.5; +Eph=440/(3^0.5); +Iph=Eph/Zph; +Il=Iph; +printf("\nLine current=%.2f A",I1) +P_total=(3^0.5)*440*Il*12/(Zph*1000); +printf("\nTotal Power=%.2f kW",P_total) + +disp('For Delta connection') +Zph=(12^2+5^2)^0.5; +Eph=440; +Iph=Eph/Zph; +Il=Iph*(3^0.5); +printf("\nLine current=%.2f A",I1) +P_total=(3^0.5)*440*Il*12/(Zph*1000); +printf("\nTotal Power=%.2f kW",P_total) \ No newline at end of file diff --git a/1376/CH16/EX16.3/16_3.sci b/1376/CH16/EX16.3/16_3.sci new file mode 100755 index 000000000..1f584d761 --- /dev/null +++ b/1376/CH16/EX16.3/16_3.sci @@ -0,0 +1,9 @@ +//16.3 +clc; +pf=(1.8*1000)/(1100*(3^0.5)); +Z=1100/100; +R=Z*pf; +printf("\nResistance of the load=%.2f ohm",R) +Xl=(121-108)^0.5; +L=Xl/314; +printf("\nInductive reactance of the load=%.2f H",L) \ No newline at end of file diff --git a/1376/CH16/EX16.4/16_4.sci b/1376/CH16/EX16.4/16_4.sci new file mode 100755 index 000000000..e0dd28bc7 --- /dev/null +++ b/1376/CH16/EX16.4/16_4.sci @@ -0,0 +1,6 @@ +//16.4 +clc; +Eph=400/(3^0.5); +printf("\nPhase voltage=%.2f V",Eph) +P_total=(3^0.5)*400*30*cosd(30)/1000; +printf("\nTotal power=%.2f kW",P_total) \ No newline at end of file diff --git a/1376/CH16/EX16.5/16_5.sci b/1376/CH16/EX16.5/16_5.sci new file mode 100755 index 000000000..5204707fe --- /dev/null +++ b/1376/CH16/EX16.5/16_5.sci @@ -0,0 +1,8 @@ +//16.5 +clc; +Out_motor=80*735.5; +Input_motor=Out_motor/0.8; +I_alternator_phase=120.64; +I_motor_phase= I_alternator_phase/(3^0.5); +printf("\nCurrent in each motor phase=%.2f A",I_motor_phase) +printf("\nCurrent in each generator phase=%.2f A",I_alternator_phase) diff --git a/1376/CH16/EX16.6/16_6.sci b/1376/CH16/EX16.6/16_6.sci new file mode 100755 index 000000000..d45e21e81 --- /dev/null +++ b/1376/CH16/EX16.6/16_6.sci @@ -0,0 +1,17 @@ +//16.6 +clc; +El=400; +Eph=El; +Impedance_per_phase= (10^2+15^2)^0.5; +Iph= 400/Impedance_per_phase; +printf("\nPhase current=%.2f A",Iph) +Il=Iph*3^0.5; +printf("\nLine current=%.2f A",I1) +pf=10/Impedance_per_phase; +printf("\nPower factor=%.2f ",pf) +P_total=(3^0.5)*El*Il*pf/1000; +printf("\nTotal Power=%.2f kW",P_total) +VAR=(3^0.5)*El*Il*15/(Impedance_per_phase*1000); +printf("\nReactive volt ampers=%.2f KVAR",VAR) +VA=(3^0.5)*El*Il/1000; +printf("\nTotal Volt ampers=%.2f kVA",VA) \ No newline at end of file diff --git a/1376/CH16/EX16.7/16_7.sci b/1376/CH16/EX16.7/16_7.sci new file mode 100755 index 000000000..196a4b4b6 --- /dev/null +++ b/1376/CH16/EX16.7/16_7.sci @@ -0,0 +1,20 @@ +//16.7 +clc; +disp('Star connections') +R=20; +Iph=440/(3^0.5*R); +P_total=3*Iph^2*R; +disp('when one of the resistor get disconnected') +Iph=440/(2*20); +P_total_new=2*Iph^2*R; +P_reduction=(P_total-P_total_new)*100/P_total; +printf("\nReduction in Power=%.2f percent",P_reduction) +disp('Delta connections') +R=20; +Iph=440/(R); +P_total=3*Iph^2*R; +disp('when one of the resistor get disconnected') +Iph=440/(20); +P_total_new=2*Iph^2*R; +P_reduction=(P_total-P_total_new)*100/P_total; +printf("\nReduction in Power=%.2f percent",P_reduction) \ No newline at end of file diff --git a/1376/CH16/EX16.8/16_8.sci b/1376/CH16/EX16.8/16_8.sci new file mode 100755 index 000000000..085310eab --- /dev/null +++ b/1376/CH16/EX16.8/16_8.sci @@ -0,0 +1,17 @@ +//16.8 +clc; +R=3; +XL=4; +Z=(R^2+XL^2)^0.5; +Iph1=440/(3^0.5*Z); +IL1=Iph1; +printf("\nLine current=%.1f A",IL1) +P=3*Iph1^2*R; +printf("\nPower=%.0f W",P) +pf1=R/Z; +printf("\npower factor=%.2f (lag)",pf1) +IL2=IL1*(4/5); +Iph2=IL2/3^0.5; +XL2=440/Iph2; +C2=1*10^6/(2*50*28.755); +printf("\nCapacitance=%.1f uF",C2) \ No newline at end of file diff --git a/1376/CH16/EX16.9/16_9.sci b/1376/CH16/EX16.9/16_9.sci new file mode 100755 index 000000000..41e4b2c09 --- /dev/null +++ b/1376/CH16/EX16.9/16_9.sci @@ -0,0 +1,11 @@ +//16.9 +clc; +IL=11000; +Eph=IL/3^0.5; +printf("\nLine to neutral voltage=%.2f V",Eph) +E_Each_phase=Eph; +printf("\nVoltage induced in Each phase winding=%.2f V",E_Each_phase) +T=(242/360)*(1/50)*1000; +printf("\nTime interval=%.2f ms",T) +IL_peak=(2^0.5)*IL; +printf("\nPeak line voltage=%.2f V",IL_peak) \ No newline at end of file -- cgit