Table 1 Optimal sizing of Var sources for ward hale 6 bus system
Control variables (p.u.) | Minimum | Initial [29] | HHO | Proposed OHHO | Maximum |
|---|---|---|---|---|---|
Tap (3–5) | 0.9 | 1.010 | 0.9901 | 0.9831 | 1.1 |
Tap (4–6) | 0.9 | 1.01 | 0.9901 | 0.9830 | 1.1 |
VG (1) | 0.95 | 1.05 | 1.0832 | 1.0835 | 1.1 |
VG (2) | 0.95 | 1.125 | 1.0832 | 1.0836 | 1.1 |
VG (3) | 0.95 | 1.07 | 1.0832 | 1.0833 | 1.1 |
QC(10) | 0.0 | 0.939 | 0.0259 | 0.0477 | 0.05 |
Transmission Loss (MW) | 10.250 | 05.25 | 05.19 | Â | Â |
Total operating cost ($) | 5.3874 | 2.7588 | 2.7273 | Â | Â |