Shedding schedule of pumped storage system

Segment

Trigger point (Hz)

Trigger time (s)

The shedding number of units

1

59.5

Instantaneous

Da-guan 2 Unit 1

Ming-tan Unit 1

2

59.35

Instantaneous

Da-guan 2 Unit 2

Ming-tan Unit 2

3

59.24

Instantaneous

Da-guan 2 Unit 3

4

59.25

3 s

Da-guan 2 Unit 4

4A

59.5

15 s

Ming-tan Unit 3

4B

59.5

30 s

Ming-tan Unit 4

4C

59.5

45 s

Ming-tan Unit 5

4D

59.5

60 s

Ming-tan Unit 6

Shedding schedule of local load (Trigger point at 59.2 Hz)