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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