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Table 3 Planning capacity of ESOP in Case I

From: Multi-stage expansion planning of energy storage integrated soft open points considering tie-line reconstruction

Scheduled capacity

Stage I

Stage II

Stage III

Stage IV

AC-DC converter (MVA)

Node 8

1.53

1.53

1.77

2.04

Node 19

–

0.48

2.11

2.13

Node 27

0.79

0.79

1.38

5.19

DC-DC converter (MW)

0.71

1.83

4.39

7.99

Storage battery (MWh)

2.02

5.18

16.77

45.15