Research Article
Three Design Basis Accidents’ Analysis on the HTR-10GT
Table 4
Accident sequence of an equilibrium core induced by station blackout.
| Events | HTR-10GT | HTR-10 |
| Station blackout occurs, the helium blower and turbine shut down | 0.0 s | 0.0 s | Absolute sliding rate of the turbine power ⩾ 28%/min | 20.0 s | 20.0 s | Absolute sliding rate of system pressure 0.031 MPa/min | 66.9 s | 36.0 s | Protection system takes actions to scram | 67.9 s | 37.0 s | Time at which fuel temperature reached a peak | 68.0 s | 0.0 s | Peak fuel temperature | 989.0 | 944°C | Time at which system pressure reached a peak | 15.2 s | 78.7 s | Peak system pressure | 1.6 MPa | 3.18 MPa |
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