Table 4 Cut Set for VVPSS.
From: RETRACTED ARTICLE: Preliminary risk assessment of in-vessel leakage accident in ITER
Sn | Cut sets | Contribution to TOP event |
---|---|---|
1 | The safety valve connected to the ventilation fails to open | 20.11 |
2 | The safety valve connected to the Water supply system fails to open | 20.11 |
3 | The safety valve connected to the Drainage Tank fails to open | 20.11 |
4 | The pressure relied pipe is leaking | 9.69 |
5 | VVPSS rupture disc RD1 fails to open | 4.90 |
6 | VVPSS rupture disc RD2 fails to open | 4.90 |
7 | Level sensor ML001 failed | 4.17 |
8 | Level sensor ML001 failed | 4.17 |
9 | Pressure sensor ML001 failed | 2.95 |
10 | Pressure sensor ML002 failed | 2.95 |