Research Article
Three Design Basis Accidents’ Analysis on the HTR-10GT
Table 2
Parameters of protection system.
| Protection parameters | Triggering value | Triggering error | Delay time |
| Neutron flux of full power level | ≥120% | 3% | 1 s | Neutron flux of middle power level | ≥200% | 10% | 1–30 s | Reactor period | ≤20 s | 6% | 1 s | Temperature of hot helium | ≥790°C | 10°C | 8 s | Temperature of cold helium | ≥345°C | 4°C | 8 s | Relative variation of the primary flow rate | ≤0.75 or ≥1.3 | 3% | 1 s | Absolute sliding rate of the primary loop pressure | ≥.03 MPa/min | 0.053 MPa/h | 1 s | Negative relative varying of the turbine power | ≥25%/min | 3% | 1 s |
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