initial commit / add all books

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+// Exa 10.20

+clc;

+clear;

+close;

+format('v',7)

+// Given data

+Pout = 25;// in kW

+Pout = Pout*10^3;// in W

+Vt = 250;// in V

+Ra = 0.06;// in ohm

+Rsh = 100;// in ohm

+// Pout = Vt*I_L;

+I_L = Pout/Vt;// in A

+Ish = Vt/Rsh;// in A

+Ia = I_L+Ish;// in A

+Eg = Vt + (Ia*Ra);// in V

+// Total armature power developed when working as a generator 

+Pdeveloped = Eg*Ia;// in W

+Pdeveloped = Pdeveloped * 10^-3;// in kW

+disp(Pdeveloped,"Total armature power developed in kW is");

+Ia = I_L-Ish;// in A

+Eb = Vt - (Ia*Ra);// in V

+// Total armature power developed when working as a motor 

+Pdeveloped = Eb*Ia;// in W

+Pdeveloped = Pdeveloped * 10^-3;// in kW

+disp(Pdeveloped,"Total armature power developed when working as a motor in kW is");