Page 179 - Solutions Manual to accompany Electric Machinery Fundamentals
P. 179

title ('\bfInduced Torque versus Speed'        );
                 grid on;

                 % Plot pow  er converted versus speed
                 fi gure(2);
                 plot(nm,p_conv/1000,'b-','LineWidth',        2.0);
                 xlabel('\bf\   itn_{m}  \rm\bf(r/min)');
                 ylabel('\bf\itP\rm\bf_{conv}  (kW)');
                 title ('\bfPower Converted versus Speed        ');
                 grid on;

                 % Plot out  put power versus speed
                 fi gure(3);
                 plot(nm,p_out/1000,'b-','LineWidth       ',2.0);
                 xlabel('\bf\   itn_{m}  \rm\bf(r/min)');
                 ylabel('\bf\itP\rm\bf_{out}  (kW)');
                 title ('\bfOutput Power versus Speed');
                 axis([1620 1800 0 50]);
                 grid on;

                 % Plot the   efficiency
                 fi gure(4);
                 plot(nm,eff,'b-','LineW     idth',2.0);
                 xlabel('\bf\   itn_{m}  \rm\bf(r/min)');
                 ylabel('\bf\eta  (%)');
                 title ('\bfEfficiency versus Speed');
                 grid on;
                 The four plots are shown below:









































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