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Table 2 Set of the critical contingencies of IEEE 14-bus and Algerian 114-bus systems

From: Power system voltage instability risk mitigation via emergency demand response-based whale optimization algorithm

Power system

Contingency N°

Line outage

VSI

IEEE 14-bus

1

2

3

4

5

Intact condition

1–2

2–3

5–6

7–9

4–7

-

0.0381

0.6468

0.6753

0.6857

0.7057

0.7573

Algerian 114-bus

1

2

3

4

5

Intact condition

63–66

81–90

85–87

81–82

87–100

-

0.1261

0.1720

0.2438

0.2950

0.3359

0.3674