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Table 9 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.)

\( {\mathrm{V}}_{\mathrm{g}}^{\mathrm{min}} \)

\( {\mathrm{V}}_{\mathrm{g}}^{\mathrm{max}} \)

\( {\mathrm{V}}_{\mathrm{PQ}}^{\mathrm{min}} \)

\( {\mathrm{V}}_{\mathrm{PQ}}^{\mathrm{max}} \)

Tmin

Tmax

0.9

1.1

0.94

1.06

0.9

1.1

Limits of the reactive power sources (p.u.)

Bus No.

5

34

37

44

45

46

48

\( {\mathrm{Q}}_{\mathrm{c}}^{\mathrm{min}} \)

−0.4

0

−0.25

0

0

0

0

\( {\mathrm{Q}}_{\mathrm{c}}^{\mathrm{max}} \)

0

0.14

0

0.1

0.1

0.1

0.15

Bus No.

74

79

82

83

105

107

110

\( {\mathrm{Q}}_{\mathrm{c}}^{\mathrm{min}} \)

0

0

0

0

0

0

0

\( {\mathrm{Q}}_{\mathrm{c}}^{\mathrm{max}} \)

0.12

0.2

0.2

0.1

0.2

0.06

0.06