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Improved Control System for NPP

#0607


Development of Construction Concepts for Computerized Control, Monitoring and Diagnostic System for Nuclear Power Plants with Improved Safety.

Tech Area / Field

  • FIR-REA/Reactor Concept/Fission Reactors

Status
3 Approved without Funding

Registration date
07.04.1996

Leading Institute
Kurchatov Research Center, Russia, Moscow

Supporting institutes

  • VNIITF, Russia, Chelyabinsk reg., Snezhinsk\nAO Inertek, Russia, Moscow\nAll-Russian Research Institute of Automatics, Russia, Moscow\nMoscow Scientific Res. Institute of Instrument Engineering, Russia, Moscow

Project summary

In order to increase the operational safety of advanced low-powered nuclear power systems (NFS), expected to appear to 2000 year, the teams of high-qualified Russian specialists offer to proceed a cycle of constructions of computerized systems for NFS control.

A key problem of using NFS in power engineering is ensuring of their operational safety.

There are three main methods to improve safety of NFS:


- Creation of physical properties of NFS directed to ensure nuclear and radiation safety of processes in NFS in any possible operational regime;
- Insertion of additional safety-improving engineering systems into NFS design;
- Improvement of NFS monitoring and control.

The Comparison between these methods from the economic efficiency point of view shows that modernization of control and monitoring systems for NFS could give significant increase of operational safety with even relatively small costs.

Thus there are reasons for proceeding a research in order to create a conception of computerized and reliable control, monitoring and diagnostic system for advanced NFS.

A modern trend of nuclear development is to construct relatively low-powered (3-200 MW (e)) power production units. These units having lower (about 10 times in comparison with existing PWR power units) amount of controlled parameters and several times smaller size or a core, make it possible to apply the concept of almost automatic control and diagnostics. Such a concept was applied for military-purpose systems (space NFS and other ship power systems).

The objective of project is to convert these achievements for advanced nuclear power systems with low-powered units.

The project includes:


- Investigation on optimal control algorithms and software concepts, including evaluation of nuclear safety for normal and abnormal regimes of NFS operation;
- Development of adequate structural and technical concepts and application of diagnostics to improve safety;
- Construction of prototype of demonstration simulating system;
- Investigation of NFS components using created hardware and software system;
- Investigation on subsystems for safe transportation, short- and long-term storage of spent fuel, are also supposed to be performed.

The investigations described in the previous partition are expected to define the concepts (main algorithms, technical approach, design) of computerized system for monitoring, diagnostics and control of advanced NFS constructed of low-powered plants in each unit, intended to minimize participation of operators in the control process.

Considering that implementation of this project will incorporate results of investigations performed before for military purposes it can be treated as one more result to improve operational safety of reactor systems using developed technologies and resources.

Definition of ACS design and development of hardware and software components are planned to be performed with participation of the American specialists and the other scientists interested in the project.

If you consider possible the participation in the work in any way, we ask you to send your conditions of partnership.

We believe that your participation in the project would be fruitful.


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