1 files changed, 16 insertions, 0 deletions
diff --git a/1733/CH7/EX7.15/7_15.sce b/1733/CH7/EX7.15/7_15.sce
new file mode 100755
index 000000000..cfa9afc87
--- /dev/null
+++ b/1733/CH7/EX7.15/7_15.sce
@@ -0,0 +1,16 @@
+//7.15
+clc;
+Rb=7.5;
+Ra=0.1;
+Kt=1.4;
+Ia=120;
+If=1.6;
+Duty_cycle=0.35;
+Vavg=Rb*Ia*(1-Duty_cycle);
+printf("Average voltage across chopper=%.0f V", Vavg)
+Pb=Rb*Ia^2*(1-Duty_cycle);
+printf("\nPower dissipated in breaking resistance=%.0f W", Pb)
+Eb=Vavg+Ia*Ra;
+w=Eb/(Kt*If);
+N=w*60/(2*%pi);
+printf("\nSpeed=%.2f rpm", N)
+\ No newline at end of file