| | Ⅲ | 20 | | | | | | | 220kV 1200MVA | 220kV 2 | | | | | | | | | | | | | | | | | | | | | | | | | GB8702 ︱ 2014 | | | | | | | | | | | | | | | | | | | | | | | | | | 2024 7 22 |