Research Article

Optimal Siting and Sizing of Multiple DG Units for the Enhancement of Voltage Profile and Loss Minimization in Transmission Systems Using Nature Inspired Algorithms

Figure 4

Algorithms used versus number of DGs placed for , , and VD.
(a) Weak bus placement alone
(b) Weak bus placement alone
(c) Weak bus placement both and
(d) Weak bus placement alone
(e) Weak bus placement alone
(f) Weak bus placement both and
(g) Weak bus placement alone
(h) Weak bus placement alone
(i) Weak bus placement both and
(j) LSF placement alone
(k) LSF placement alone
(l) LSF placement both and
(m) LSF placement alone
(n) LSF placement alone
(o) LSF placement both and
(p) LSF placement alone
(q) LSF placement alone
(r) LSF placement both and