Comparison of fuel cycles characteristics for nuclear energy systems based on VVER-TOI and BN-1200 reactors

To date, several conceptual models of the organization of a two-component nuclear power system have been proposed in the world. This report presents the schematic diagrams of these models, briefly describes their main tasks and prospects for their implementation with time. As a result, based on the preliminary analysis, a model of a two-component nuclear energy system with thermal and fast reactors operating in a single closed nuclear fuel cycle is proposed. Such a model, based on existing and demonstrated technologies of thermal and fast reactors, can solve the main problems of current nuclear power, consisting in the uncontrolled accumulation of SNF volumes of thermal reactors and the inefficient use of natural uranium.

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The Solution to the Problem of the Spent Fuel of Thermal Reactors in a Two-Component System of Atomic Energy

Kagramanian

Chebeskov

Decusar

et al. 2019

Problems of Atomic Science and Technology. Series: Nuclear and Reactor Constants

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Studies of the Potential of a Two-Component Nuclear Energy System in Different Conditions of Its Development

Moseev

Dekusar

Korobeinikov

et al. 2019

Problems of Atomic Science and Technology. Series: Nuclear and Reactor Constants

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The aim of the work is to study the possibility of long-term management of a developing or non-developing nuclear power system. The concept of fuel supply control is introduced. Nuclear power systems with different structural organization of generating capacities and a closed nuclear fuel cycle are considered. A comparison is made of these systems in terms of their development potential, ratio between the number of thermal and fast reactors and the possibilities of fuel supply. It is noted that the ratio is determined by the breeding characteristics, the balance of plutonium and natural uranium in the system, as well as the needs for NP development. A feature of the two-component systems of nuclear reactors considered in the work, consisting of thermal reactors of different types and fast reactors BN-1200, is that the SNF stocks of all types of reactors are completely processed during the considered time interval and all the excess separated plutonium is used to manufacture MOX fuel. The requirements to the characteristics of fast reactor breading are put forward. The important role of mastered and promising technologies with the possibility of their flexible adaptation to changes in the nuclear power development scale and rate is emphasized. It is shown that the system including advanced fast neutron sodium reactors having flexible breading can offer increased tolerance to possible changes in the nuclear power development rate. The results of simulation of fuel cycle scenarios for the considered two-component nuclear energy system are presented.

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Choice of the Structure of a Two-Component Nes With Optimal Taking Into Account an Export Potential and Technical and Economic Indicators

Zrodnikov

Korobeinikov

Moseev

et al. 2021

Problems of Atomic Science and Technology. Series: Nuclear and Reactor Constants

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In accordance with the approved order of the State Atomic Energy Corporation Rosatom dated May 24, 2018 No. 1-1/366-r “Strategy for the development of nuclear power until 2050 and the outlook for the period up to 2100”, the transition to a two-component structure of nuclear power in Russia is a key area of its technological development. The structure of a two-component nuclear power system (hereinafter NES) can include various elements, the search for the optimal combination of which in development is a multi-parameter problem. The relevance of determining the appearance and structure of a two-component NES is that it is designed to ensure sustainable, cost-effective electricity production in the face of growing global restrictions on natural resources of fossil fuel and environmentally harmful emissions, while meeting the requirements of nuclear, radiation safety and nuclear non-proliferation, as well as to realize the potential increasing the commercial attractiveness of the nuclear industry through the provision of services in the field of nuclear fuel cycle. The article presents the results of computational and analytical studies to substantiate the creation of a two-component NES and recommendations for choosing the structure of a two-component NES with optimal technical and economic indicators, taking into account the export potential. To select the optimal scenario for the development of a nuclear power plant, a multi-criteria analysis of the simulation results with a given set of system criteria was carried out.

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Comparison of fuel cycles characteristics for nuclear energy systems based on VVER-TOI and BN-1200 reactors

Cited by 3 publications

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The Solution to the Problem of the Spent Fuel of Thermal Reactors in a Two-Component System of Atomic Energy

The Solution to the Problem of the Spent Fuel of Thermal Reactors in a Two-Component System of Atomic Energy

Studies of the Potential of a Two-Component Nuclear Energy System in Different Conditions of Its Development

Choice of the Structure of a Two-Component Nes With Optimal Taking Into Account an Export Potential and Technical and Economic Indicators

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