Research Article
Multiple DGs for Reducing Total Power Losses in Radial Distribution Systems Using Hybrid WOA-SSA Algorithm
Table 6
Performance of WOA-SSA compared with those of the standard case without a DG unit, RLF method, WOA, and SSA on an IEEE 123-bus RDN with a single DG.
| Particulars | Base case without DG | Algorithms | RLF | WOA | SSA | WOA-SSA |
| Optimal location | — | 67 | 67 | 67 | 67 | Optimal DG size (kW) | — | 1978.595 | 2020.456 | 2017.729 | 1979 | Total power losses (kW) | 95.434 | 70.17 | 70.598 | 70.246 | 70.17 | % power loss reduction | — | 26.5% | 26% | 26.4% | 26.5% | Minimum voltage (p.u.), bus | 0.98401, 65 | 0.97884, 65 | 0.97173, 65 | 0.97824, 65 | 0.97884, 65 | Maximum voltage (p.u.), bus | 1.0481, 83 | 1.047, 83 | 1.0477, 83 | 1.0477, 83 | 1.047, 83 | Mean voltage (p.u.) | 1.0207 | 1.0171 | 1.0186 | 1.0173 | 1.0171 | Standard deviation voltage (p.u.) | 0.018416 | 0.016418 | 0.018971 | 0.016546 | 0.01642 | Computational time (S) | — | 90156 | 230 | 256 | 161 |
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