Table 4 Simulation results for weak grid conditions (Without and with SVC).

From: Voltage stability assessment and improvement of Ethiopian 230 kv wind-integrated grid using SVC and continuation power flow in PSAT

Wind speed

λ max Without SVC

λ_max With SVC

Min voltage (p.u) Without SVC

Min voltage (p.u) With SVC

Voltage margin improvement (%)

Low (5 m/s)

1.02

1.15

0.71

0.87

+ 22.7%

Medium (8 m/s)

0.92

1.10

0.65

0.85

+ 26.1%

High (12 m/s)

0.78

0.98

0.58

0.80

+ 28.2%

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