Содержание
- 2. Training Objectives Terminal Training Objectives: To list the safety systems used to carry out functions for
- 3. Content Safety fundamentals for NPPs Design and Safety Functions VVER Safety Systems A. Reactivity control B.
- 4. Safety Fundamentals for NPPs
- 5. Definition of «Safety» I. Safety is the state of being "safe" (from French sauf), the condition
- 6. Definition of «Safety» IV. Safety – the condition of being protected from or unlikely to cause
- 7. Major Industrial Disasters Devastating series of explosions and fire in Pasadena, US. The initial blast registered
- 8. Responsibility The organisation operating a nuclear power plant shall be responsible for the plant’s safe operation
- 9. Design and Safety Functions
- 10. Prevention Control of anticipated operational occurrences Defense-in-Depth: Five Successive Levels of Protection Safety levels Control of
- 11. Physical barriers system Barrier 1 Barrier 2 Barrier 3 Barrier 4 Fuel pellet Fuel element cladding
- 12. DiD Principle Defense-in-depth is a philosophy to ensure nuclear safety
- 13. Design Basis Conditions (DBC) and Design Extension Conditions (DEC) In the deterministic safety analysis, as per
- 14. In accordance with Gov. Decree 717/2013 (and then YVL C.3) in case of accidents the expected
- 15. Plant Design Envelope Beyond Plant Design Envelope LEVEL 1 LEVEL 2 LEVEL 5 LEVELS OF DEFENCE
- 16. Fundamental Safety Functions Conditions Functions Operational plant states During and after any design basis accident In
- 17. VVER Safety Systems
- 18. DiD level 3 Level 3 is divided into levels 3a and 3b: Level 3a includes systems
- 19. Accident management Accident management strategy includes: bringing the NPP to the controlled state bringing the NPP
- 20. Safety Functions Basic safety functions
- 21. Design principles of safety systems Safety systems are designed in accordance with the principles ensuring their
- 22. General diagram of safety systems and means PHRS tank JNB Containment PHRS condenser Containment Pressurizer JEF
- 23. A. Reactivity control
- 24. Reactivity control Emergency boron injection system JDH is designed to bring the core to the subcritical
- 25. Emergency Injection System Supplies boric acid solution with the concentration of 40 g/kg and temperature of
- 26. B. Heat removal from nuclear fuel
- 27. BA: Maintenance of primary coolant inventory The design provides for the following systems and means to
- 28. BB: Heat removal from primary coolant Means ensuring heat removal from the core and RP cooldown
- 29. System for passive heat removal through steam generators The system for passive heat removal through steam
- 30. BC and BD: Primary and secondary circuit integrity assurance Pressure is reduced in the primary circuit
- 31. Pressurizer relief devices The primary circuit overpressure protection system includes three pilot-operated relief valves, each consisting
- 32. BE: Spent fuel cooling The following systems are provided for in the design to remove heat
- 33. C. Localization of activity
- 34. CA: Limitation of pressure inside the containment, heat removal from the containment Pump KAA Pump JMN
- 35. Accident localization system Containment system: leak-proof steel liner reinforced concrete enclosing structures manholes, locks penetrations isolating
- 36. AES-2006/E Layout Steam cell Reactor building Safety building Standby diesel generator station building
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