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Table 4 Results for 15-bus system

From: Cost–benefit analysis for optimal DG placement in distribution systems by using elephant herding optimization algorithm

  Without DG With DG at 0.9 pf (Dinakara Prasad Reddy et al. 2017) Proposed method at 0.9 pf With DG at UPF (Dinakara Prasad Reddy et al. 2017) Proposed method at upf
DG location _ 6 15 6 15
DG size (kVA) _ 907.785 910.5 675.248 681.1
TLP (kW) 61.7933 33.385 28.05 45.8035 42.24
TLR (kVAR) 57.2969 29.89 22.94 41.88 39.99
Vmin (p.u.) 0.9445 0.959 0.971 0.9527 0.9596
Cost of energy losses ($) 4970.3 2685.31 2256 3684.18 3397
Cost of PDG ($/MW h) _ 16.5404 16.598 13.754 13.87
Cost of QDG ($/MVAR h) _ 1.8656 1.872   _