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+//CHAPTER 8- DIRECT CURRENT MACHINES
+//Example 28
+
+disp("CHAPTER 8");
+disp("EXAMPLE 28");
+
+//series generator
+//VARIABLE INITIALIZATION
+E_a=120;                    //in Volts
+r_se=0.03;                  //in Ohms
+r_a=0.02;                   //in Ohms
+v1=240;                     //in Volts
+r=0.25;                     //in Ohms
+I=300;                      //in Amperes
+
+//SOLUTION
+v=I*(r_se+r_a+r);           // voltage drop across Rse and ra and feeder
+disp(sprintf("The voltage drop across the three resistances is %d V",v));
+//hence the voltage between far end and bus bar is:
+v_t=v1+E_a-v;
+disp(sprintf("The voltage between far end and the bus bar is %d V",v_t));
+disp(sprintf("The net increase of %d V may be beyond the desired limit",v_t-v1));
+disp("Hence, a field diverter resistance may be necessary to regulate the far-end terminal voltage");
+
+//END
+