LOCA Monitoring System(LSS)

LSS is an important equipment for monitoring the reactor operation conditions and ensuring the safe operation, and gives alarms and control signals based on the LOCA margin calculation results..

Based on the nuclear power, the primary loop pressure, the coolant temperature and the main pump speed measured by the nuclear measurement instruments, LSS can compute and continuously monitor the reactor operation conditions, and display the result with curves and graphics. LSS gives alarms and control signals when abnormal condition is detected.

Response time ≤ 2s (the total time of data transmission, data preprocessing, data calculation and results output).
Accuracy: 0.5%FSR.
MTBF more than 80000h.

Prototype LSS is constructed, and it is ready for the supply to NPPs.


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