From 7bc77cb1ed33745c720952c92b3b2747c5cbf2df Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Sat, 3 Feb 2018 11:01:52 +0530 Subject: Added new code --- 3888/CH16/EX16.1/Ex16_1.JPG | Bin 0 -> 29484 bytes 3888/CH16/EX16.1/Ex16_1.sce | 26 ++++++++++++++++++++++++++ 3888/CH16/EX16.2/Ex16_2.JPG | Bin 0 -> 14181 bytes 3888/CH16/EX16.2/Ex16_2.sce | 26 ++++++++++++++++++++++++++ 3888/CH16/EX16.3/Ex16_3.JPG | Bin 0 -> 14689 bytes 3888/CH16/EX16.3/Ex16_3.sce | 26 ++++++++++++++++++++++++++ 6 files changed, 78 insertions(+) create mode 100644 3888/CH16/EX16.1/Ex16_1.JPG create mode 100644 3888/CH16/EX16.1/Ex16_1.sce create mode 100644 3888/CH16/EX16.2/Ex16_2.JPG create mode 100644 3888/CH16/EX16.2/Ex16_2.sce create mode 100644 3888/CH16/EX16.3/Ex16_3.JPG create mode 100644 3888/CH16/EX16.3/Ex16_3.sce (limited to '3888/CH16') diff --git a/3888/CH16/EX16.1/Ex16_1.JPG b/3888/CH16/EX16.1/Ex16_1.JPG new file mode 100644 index 000000000..88cfe1a51 Binary files /dev/null and b/3888/CH16/EX16.1/Ex16_1.JPG differ diff --git a/3888/CH16/EX16.1/Ex16_1.sce b/3888/CH16/EX16.1/Ex16_1.sce new file mode 100644 index 000000000..7666d1725 --- /dev/null +++ b/3888/CH16/EX16.1/Ex16_1.sce @@ -0,0 +1,26 @@ +//Electric Power Generation, Transmission and Distribution by S.N.Singh +//Publisher:PHI Learning Private Limited +//Year: 2012 ; Edition - 2 +//Example 16.1 +//Scilab Version : 6.0.0 ; OS : Windows + +clc; +clear; + + +V=238; //Transformer primary voltage in kV +Em=110; //Transformer secondary voltage in kV +f=50; //Supply frequency in Hz +u=20; //Commutation angle in degree +alpha1=30; //Delay angle 1 in degree +alpha2=90; //Delay angle 2 in degree +alpha3=150; //Delay angle 3 in degree +Vdo=3*sqrt(3*2)*Em/(%pi*sqrt(3)); //Direct output voltage in kV +Vd1=Vdo/2*(cosd(alpha1)+cosd(alpha1+u)); //Direct output voltage when commutation angle 20 and delay angle is 30 degree in kV +Vd2=Vdo/2*(cosd(alpha2)+cosd(alpha2+u)); //Direct output voltage when commutation angle 20 and delay angle is 90 degree in kV +Vd3=Vdo/2*(cosd(alpha3)+cosd(alpha3+u)); //Direct output voltage when commutation angle 20 and delay angle is 150 degree in kV + +printf("\nThe direct voltage output is %.2f kV",Vdo); +printf("\nThe direct voltage output when commutation angle 20 and delay angle is 30 degree is %.2f kV",Vd1); +printf("\nThe direct voltage output when commutation angle 20 and delay angle is 90 degree is %.2f kV",Vd2); +printf("\nThe direct voltage output when commutation angle 20 and delay angle is 150 degree is %.2f kV",Vd3); diff --git a/3888/CH16/EX16.2/Ex16_2.JPG b/3888/CH16/EX16.2/Ex16_2.JPG new file mode 100644 index 000000000..a6257c390 Binary files /dev/null and b/3888/CH16/EX16.2/Ex16_2.JPG differ diff --git a/3888/CH16/EX16.2/Ex16_2.sce b/3888/CH16/EX16.2/Ex16_2.sce new file mode 100644 index 000000000..af204cfe4 --- /dev/null +++ b/3888/CH16/EX16.2/Ex16_2.sce @@ -0,0 +1,26 @@ +//Electric Power Generation, Transmission and Distribution by S.N.Singh +//Publisher:PHI Learning Private Limited +//Year: 2012 ; Edition - 2 +//Example 16.2 +//Scilab Version : 6.0.0 ; OS : Windows + +clc; +clear; + + +Em=400; //Ac supply voltage in kV +Vd=500; //Dc supply voltage in kV +Id=1; //Dc current in A +alpha=20; //Firing angle in degree +Vdo=3*sqrt(3*2)*Em/(%pi*sqrt(3)); //Direct output voltage in kV +Rc=-(Vd-(Vdo*cosd(alpha))/Id); //Effective Commutation resistance in Ohm + + +printf("\nThe effective commutation resistance is %.2f Ohm",Rc); + + + + + + + diff --git a/3888/CH16/EX16.3/Ex16_3.JPG b/3888/CH16/EX16.3/Ex16_3.JPG new file mode 100644 index 000000000..313454df4 Binary files /dev/null and b/3888/CH16/EX16.3/Ex16_3.JPG differ diff --git a/3888/CH16/EX16.3/Ex16_3.sce b/3888/CH16/EX16.3/Ex16_3.sce new file mode 100644 index 000000000..008d5c64c --- /dev/null +++ b/3888/CH16/EX16.3/Ex16_3.sce @@ -0,0 +1,26 @@ +//Electric Power Generation, Transmission and Distribution by S.N.Singh +//Publisher:PHI Learning Private Limited +//Year: 2012 ; Edition - 2 +//Example 16.3 +//Scilab Version : 6.0.0 ; OS : Windows + +clc; +clear; + + +V=500; //Dc supply voltage in kV +ang1=20; //Advance angle in degree +ang2=10; //Extinction angle in degree +Vdi=1/2*(cosd(20)+cosd(10)); //Dc voltage in kV +Em=(V*%pi)/(Vdi*3*sqrt(3)); //Ac output voltage in kV + + +printf("\nThe ac voltage output of the inverter is %.2f kV",Em); + + + + + + + + -- cgit