diff options
Diffstat (limited to '3760/CH5/EX5.48/Ex5_48.sce')
-rw-r--r-- | 3760/CH5/EX5.48/Ex5_48.sce | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/3760/CH5/EX5.48/Ex5_48.sce b/3760/CH5/EX5.48/Ex5_48.sce new file mode 100644 index 000000000..491c0f712 --- /dev/null +++ b/3760/CH5/EX5.48/Ex5_48.sce @@ -0,0 +1,15 @@ +clc;
+p0=1000; // full load power rating of substation
+pf=0.71; // lagging power factor
+pfn=0.87; // desired power factor
+// from phasor dagram 5.109
+p1=p0*pf; // load KW
+p2=sqrt(p0^2-p1^2); // load KVAr
+pn=p0*pfn; // new power delivered to load
+p0n=pn/pf; // new load KVA
+pl=p0n-p0;
+printf('Permissible additional load at %f lagging power factor is %f KVA\n',pf,pl);
+p2n=sqrt(p0n^2-pn^2); // new load KVAr
+p2ns=sqrt(p0^2-pn^2); // new load KVAr with the use of synchronous condensor
+R=p2n-p2ns;
+printf('Rating of synchronous condensor is %f KVA',R);
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