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Table 8 Computing time of the parallel program under step 0.02 s

From: Parallel computing of multi-contingency optimal power flow with transient stability constraints

Number of Contingencies

NE39

IEEE300

C703

Serial

Parallel

Serial

Parallel

Serial

Parallel

2

1.11

1..52

7.2

5.94

15.14

11.69

4

1.91

1.59

13.27

6.65

27.36

12.68

6

2.61

1.63

20.14

7.74

40.56

14.00

8

3.77

1.86

22.18

6.97

53.26

14.71

10

4.26

1.89

32.43

8.01

79.89

17.94

12

5.01

1.94

44.73

8.66

87.94

18.29

14

5.73

2.02

37.68

8.07

102.56

18.98

16

6.89

2.14

41.61

8.09

112.85

19.34

18

7.28

2.19

44.67

8.22

114.96

19.49

20

8.18

2.31

53.54

8.42

138.67

21.59

22

8.48

2.34

55.98

9.42

167.48

24.18

24

9.76

2.37

75.37

10.71

176.38

24.25

26

9.87

2.44

76.8

10.43

184.11

25.00

28

11.82

2.63

83.17

10.99

187.52

25.84

30

12.94

2.68

75.12

10.56

198.26

27.27

32

13.92

2.87

80.89

11.13

204.48

28.10