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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

 

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