diff options
Diffstat (limited to '3640/CH5/EX5.2/Ex5_2.sce')
| -rw-r--r-- | 3640/CH5/EX5.2/Ex5_2.sce | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/3640/CH5/EX5.2/Ex5_2.sce b/3640/CH5/EX5.2/Ex5_2.sce new file mode 100644 index 000000000..7f511da35 --- /dev/null +++ b/3640/CH5/EX5.2/Ex5_2.sce @@ -0,0 +1,20 @@ +clc
+I=100 //current drawn in amperes
+ra=0.07 //armature resistance in ohms
+Vt=230 //terminal voltage of motor in volts
+mprintf("Eg*=VT*-Iara*=%fV\n",Vt-(I*ra))
+n=1200 //speed of rotation in rev/min
+mprintf("w*=%dπrad/sec\n",(n/60)*2)
+mprintf("KaΦ=Eg*/w*=%fV-s/rad\n",(Vt-(I*ra))/((n/60)*2*%pi))//ans may vary due to roundoff error
+Ia=100 //armature current in ampere
+mprintf("τd=KaΦIa=%fN-m\n",(Ia*(Vt-(I*ra))/((n/60)*2*%pi)))//ans may vary due to roundoff error
+Td=300 //torque in N-m
+Ia=Td/((Vt-(I*ra))/((n/60)*2*%pi))//ans may vary due to roundoff error
+mprintf("Ia=τd/KaΦ=%fA\n",Ia)
+ra=0.07 //resistance in ohms
+VT=230 //voltage in volts
+w=(VT-Ia*ra)/((Vt-(I*ra))/((n/60)*2*%pi))
+mprintf("w=(VT-Iara)/KaΦ=%frad/sec\n",w)//ans may vary due to roundoff error
+
+
+
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