Table 8 Multi-stage planning results in Case V

AC-DC converter (MVA)

Node 8

0.73

1.42

1.73

2.05

Node 21

–

0.05

0.60

2.11

Node 27

0.08

0.12

0.55

5.21

DC-DC converter (MW)

–

–

2.17

8.00

Storage battery (MWh)

–

–

8.60

45.17

Total investment cost (10⁴RMB)

99.69

122.62

203.52

700.26

Total cost (10⁴RMB)

2865.54

2788.39

2405.29

1834.95