BN
1986
BN-600
- Reactor emergency protection system;
- two channels of reliable power supply;
- information and measuring system;
- radiation monitoring system;
- fire protection system;
- radiation monitoring system;
- tow leak-tight vessels – main vesseland safety vessel.
2005
BN-600 reactor unit
BN-600
- Upgrade of information and computer, radiation monitoring, fire safety systems;
- transfer of electric turbine generators to a new (thyristor) system;
- replacement of equipment in the unit information and computing system.
2011
BN-600
- Upgrade of subsystems of various levels;
- upgrade of the radiation monitoring system on a modern element base;
- a new control panel for the radiation monitoring system;
- additional seismic analysis;
- backup elements of safety systems;
- commissioning of an emergency control room; an additional reactor cooling system;
- new technology in the fire-fighting system of the reactor compartment.
2015
BN-800 reactor unit
BN-800
- Passive principle of safety systems;
- core catcher in the reactor lower head;
- ventilation pipes for reactor cooling by convection method.
Perspective project
BN-1200
Beloyarsk NPP
- Passive safety system based on the thermal approach.
