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diff --git a/3793/CH8/EX8.3/exp_8_3.sce b/3793/CH8/EX8.3/exp_8_3.sce
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+clear;
+clc;
+S=110;
+ff=.1;
+sg=.05;
+f=50;
+//supplying to infinite work
+mprintf("since power is supplied to infinite work frequency changes are independent of output\n");
+mprintf("Since DelPg(0) is proportional to DelP(ref) therefore turbine generation can be reduced by giving a command to servometer of the speed changer to lower the turbine generation by 10 MW\n");
+//network is finite
+R=(sg*f)/S;
+Pg=-(1/R)*(-ff);
+mprintf("The drop in hertz per megawatt is %.3f Hz/MW\n",R);
+mprintf("Increase in turbine power is %.3f MW",Pg);
+