From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 1418/CH27/EX27.20/EX27_20.jpg | Bin 0 -> 103307 bytes 1418/CH27/EX27.20/EX27_20.sce | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 32 insertions(+) create mode 100644 1418/CH27/EX27.20/EX27_20.jpg create mode 100644 1418/CH27/EX27.20/EX27_20.sce (limited to '1418/CH27/EX27.20') diff --git a/1418/CH27/EX27.20/EX27_20.jpg b/1418/CH27/EX27.20/EX27_20.jpg new file mode 100644 index 000000000..45f32d9a6 Binary files /dev/null and b/1418/CH27/EX27.20/EX27_20.jpg differ diff --git a/1418/CH27/EX27.20/EX27_20.sce b/1418/CH27/EX27.20/EX27_20.sce new file mode 100644 index 000000000..4dc5dce28 --- /dev/null +++ b/1418/CH27/EX27.20/EX27_20.sce @@ -0,0 +1,32 @@ +//EXAMPLE 27.20 +//DC SHUNT GENERATORS + +clc; +funcprot(0); + +//Variable Initialisation +Ra=0.1;.....//Armature resistance of each generator in Ohms +L=250;......//Total load of each generator in Kilo Watts +Vt=500;.....//Terminal voltage in Volts +fp=4;.......//Raise in field current in Amperes +Le=L/5;......//Load for each generator in Kilo Watts +Io=Le*1000/V;.......//Output current of each generator in Amperes +ad=Ra*Io;.....//Armature drop in Volts +emf=V+ad;........//Induced emf in Volts +iemf=emf+((fp/100)*emf);......//Increse in generated emf in Volts + +//Solving for current output of both the generators in Amperes +A=[1,-1;1,4.1]; +B=[204;510]; +y=A\B; +disp(y(1),"Output current of first generator in Amperes:"); +disp(y(2),"Output current of second generator in Amperes:"); + +Vbus=510-Ra*y(2);........//Bus voltage in Volts +disp(Vbus,"Bus voltage in Volts:"); + +Po1=Vbus*y(2)/1000;.......//Output of first machinein Kilo Watts +Po=Vbus*y(1)/1000;.........//Output of each of other four generators in Kilo Watts +r=round(Po);.......//Rounding of decimal places +disp(Po1,"Output of first machinein Kilo Watts:"); +disp(r,"Output of each of other four generators in Kilo Watts:"); -- cgit