Research Article
Study on Seismic Reliability of UHVDC Transmission Systems
Table 1
Seismic reliability calculation of monopole subsystem.
| | Post-earthquake capacity | Monopolar subsystem condition | Calculation formula |
| | 100% | All is well | |
| | 75% | Only one CTV fails | |
| | 50% | Only one DC fails and the CTVs connected with the runnable DC are well | | | Both DCs are well, but 2 CTVs fail | |
| | 25% | Only one DC fails and one of the CTVs connected with the runnable DC fails | | | Both DCs are well and 3 CTVs fail | |
| | 0% | Both DCs fails | | | Only one DC fails and the two CTVs connected with the runnable DC fail | | | Both DCs are well and CTVs fail | |
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represents the number of combinations. |
