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- Title
Reliability assessment of integrated energy system considering the uncertainty of natural gas pipeline network system.
- Authors
Hejun Yang; Yeyu Zhang; Yinghao Ma; Dabo Zhang; Lei Sun; Shiwei Xia
- Abstract
Natural gas, as a clean fossil energy, has been widely used in power generation system by converting chemical energy into electrical energy through gas turbines. However, the natural gas pipeline network system (NGPNS) is comprised of many equipments, and the failure of any equipment will probably cause the outage of gas turbines. Therefore, this study proposes an analytical method which can incorporate the uncertainty of NGPNS into the reliability assessment of integrated energy system. Firstly, on the basis of an analytical technique, NGPNS's operating states and the corresponding state probabilities are simulated. Secondly, a state transferring and equivalence technique is proposed for transferring the unreliability of NGPNS to the involved outage of gas turbines. Thirdly, an equivalent reliability model of gas turbine is established for taking into account the uncertainty of NGPNS. Finally, the NGPNS is connected to the Roy Billinton Test System through the coupling of gas turbines between electrical and gas networks. The results of case studies verify the correctness and effectiveness of the proposed algorithm.
- Subjects
NATURAL gas pipelines; GAS turbines; FOSSIL fuels; ELECTRICAL energy; NATURAL gas
- Publication
IET Generation, Transmission & Distribution (Wiley-Blackwell), 2019, Vol 13, Issue 22, p5033
- ISSN
1751-8687
- Publication type
Article
- DOI
10.1049/iet-gtd.2019.0323