Abstract
The paper deals with the issues devoted to reliability studies of gas distribution systems for complex energy supply of large industrialized areas. Given is a brief review of the reliability assessment methods, existing models for reliability assessment of the main pipelines, and their implementation. Special attention is paid to such reliability-specific properties as failure-free operation and maintainability of the elements constituting the gas distribution systems (linear sections and booster stations). These properties depend on the failure and recovery rates. Consideration is given to potentials of studying the impact of failure and recovery rates on integral indicators of gas distribution systems reliability. For that purpose mathematical models are proposed to be used for gas distribution systems reliability assessment using the analytical method of a ‘loss multiplication’ scheme. Reliability assessment of a conventional gas distribution system was taken as an example.
Highlights
Analysis of natural gas consumption in Russian Federation during the latest several years [1] demonstrates gas consumption growth in large industrial complexes and in the residential sector due to rapid construction of new residential agglomerations, cottage and summer cottage settlements
Distributed power generation is currently a world-wide tendency aimed at meeting such a demand
All the above factors enhance the reliability of gas distribution systems while energy consumers pose more and more stringent requirements to their failure-free operation
Summary
Analysis of natural gas consumption in Russian Federation during the latest several years [1] demonstrates gas consumption growth in large industrial complexes and in the residential sector (primarily by utilities and population) due to rapid construction of new residential agglomerations, cottage and summer cottage settlements. Demand for electric and heat energy grows . Distributed power generation is currently a world-wide tendency aimed at meeting such a demand. Due to a number of advantages, in the nearest and remote perspective natural gas will become the main fuel used for centralized and distributed electric and heat energy production. Large-scale gasification of big industrialized areas for the purpose of their energy supply necessitates development of centralized gas supply and gas distribution systems, and their expansion. Total length of gas distribution systems increases and configuration of gas pipeline schemes becomes more sophisticated. All the above factors enhance the reliability of gas distribution systems while energy consumers pose more and more stringent requirements to their failure-free operation
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