Table 2 The system exergy efficiency, unit exergy cost and current harmonic distortion rate response value are recorded.

From: Exergoeconomic analysis and optimization of wind power hybrid energy storage system

Group

A wind speed (m)

B speed (rad/min)

C energy-storage system

System exergy efficiency (%)

Unit exergy cost (yuan/kJ)

Current harmonic distortion (%)

1

6

100

2

26.5

0.04893

20.96

2

12

100

2

28.9

0.04685

22.88

3

6

600

2

32.6

0.0257

14.17

4

12

600

2

33.9

0.0236

15.89

5

6

350

1

43.6

0.03969

15.11

6

12

350

1

46

0.03796

16.89

7

6

350

3

37.9

0.02631

13.99

8

12

350

3

39.5

0.02785

15.77

9

9

100

1

38.2

0.05326

22.36

10

9

600

1

47

0.02869

15.11

11

9

100

3

31.6

0.04369

20.36

12

9

600

3

40.6

0.02023

13.29

13

9

350

2

31.8

0.02645

15.9

14

9

350

2

31.7

0.0264

15.91

15

9

350

2

31.75

0.02642

15.92

16

9

350

2

31.8

0.02643

15.89

17

9

350

2

31.9

0.02645

15.88