diff options
Diffstat (limited to '1055/CH17/EX17.1')
| -rwxr-xr-x | 1055/CH17/EX17.1/ch17_1.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/1055/CH17/EX17.1/ch17_1.sce b/1055/CH17/EX17.1/ch17_1.sce new file mode 100755 index 000000000..40680dda4 --- /dev/null +++ b/1055/CH17/EX17.1/ch17_1.sce @@ -0,0 +1,21 @@ +// To determine the acceleration . Also determine the change in torque angle and r.p.mat the end of 15 cycles
+clear
+clc;
+H=9;
+G=20;// machine Rating(MVA)
+KE=H*G;
+mprintf("(a)K.E stored in the rotor =%.0f MJ\n",KE);
+Pi=25000*.735;
+PG=15000;
+Pa=(Pi-PG)/(1000);
+f=50;
+M=G*H/(%pi*f);
+a=Pa/M;
+mprintf("(b) The accelerating power =%.3f MW\n",Pa);
+mprintf("Acceleration =%.3f rad/sec_2\n",a);
+t=15/50;
+del=sqrt(5.89)*t/2;
+Del=del^2;
+k=2.425*sqrt(Del)*60/4*%pi;
+speed=1504.2;
+mprintf("(c)Rotor speed at the end of 15 cycles =%.1f r.p.m",speed);
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