Execution period 2002 - 2004
Contractor Kozloduy NPP Plc.

ANALYSIS OF THE KOZLODUY NPP EMERGENCY FEEDWATER SYSTEM

The system for emergency feedwater supply has certain deficiencies, namely:  a complicated scheme of connection of the three trains of system TX (Emergency Feedwater System) and the four steam generators, mutual influence of the pumps of TX system when supplying to one and the same SG; possible erroneous actions of the personnel when switch-over is required.

Safety analysis reports have been elaborated, and technical suggestions have been formulated, in order to upgrade the reliability and safety of the feedwater and emergency feedwater systems.

In the result of the work under this contract, the above listed problems related to the emergency feedwater system (TX) have been clarified, and the process modes thereof have been updated.

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