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Table 7 Control variable limits (p.u.) for the test cases

From: Impact of the penetration of distributed generation on optimal reactive power dispatch

Limits of voltages and tap settings (p.u.)
\( {\mathbf{V}}_{\mathbf{g}}^{\mathbf{min}} \) \( {\mathbf{V}}_{\mathbf{g}}^{\mathbf{max}} \) \( {\mathbf{V}}_{\mathbf{PQ}}^{\mathbf{min}} \) \( {\mathbf{V}}_{\mathbf{PQ}}^{\mathbf{max}} \) Tmin Tmax
0.9 1.1 0.94 1.06 0.9 1.1
Limits of the reactive power sources (p.u.)
Bus No. 18 25 53
\( {\mathrm{Q}}_{\mathrm{c}}^{\mathrm{min}} \) 0 0 0
\( {\mathrm{Q}}_{\mathrm{c}}^{\mathrm{max}} \) 0.1 0.059 0.063