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Reliability Judgment Method of Electric-Pneumatic Combined System Based on Electric Combined Optimization Power Flow

A technology of electrical combination and combined system, applied in the direction of electrical components, system integration technology, information technology support system, etc.

Active Publication Date: 2020-08-11
ZHEJIANG UNIV
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Problems solved by technology

[0004] Aiming at the above-mentioned problems in the background technology, the present invention provides a method for judging the reliability of an electric-gas combined system based on an electric combined optimization power flow, which solves the problem of power-gas combined system considering the optimal configuration of energy between the power system and the natural gas system. Technical Problems in Reliability Judgment of Natural Gas Combined System

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  • Reliability Judgment Method of Electric-Pneumatic Combined System Based on Electric Combined Optimization Power Flow
  • Reliability Judgment Method of Electric-Pneumatic Combined System Based on Electric Combined Optimization Power Flow
  • Reliability Judgment Method of Electric-Pneumatic Combined System Based on Electric Combined Optimization Power Flow

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Embodiment Construction

[0092] Further description will be given below in conjunction with the embodiments and accompanying drawings.

[0093] The embodiment implemented according to the complete method of the present invention is as follows:

[0094] Deal with obtaining the reliability of a combined electricity-gas system consisting of the IEEE Power System Reliability Test System and the Belgian Gas Transmission System in a test case.

[0095] First, the parameters of the combined electric-gas system are initialized. The structure schematic diagram of the electric power-gas combined system is as follows: figure 1 As shown, the original data of the power system and natural gas transmission system included in it are derived from the public literature "GriggC, Wong P, Albrecht P, et al. The IEEE reliability test system-1996. A report prepared by the reliability test system task force of the application of probability methods subcommittee[J].IEEE Transactions on power systems,1999,14(3):1010-1020. f...

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Abstract

The invention discloses an electrical-gas combined system reliability judgment method based on electrical combined optimization power flow. The method comprises the following steps of modeling the equipment reliability of the electric power-natural gas combined system through a multi-state model; constructing Energy bidirectional flow and energy optimal configuration of electric power and naturalgas in the electric power-natural gas combined system through electrical combined optimization power flow, conducting simulation processing on all possible states of the electric power-natural gas combined system through a time sequence Monte Carlo method by means of an objective function and constraint conditions of the objective function, and acquiring the electric power-natural gas combined system; judging reliability parameters of the natural gas combined system whether to be reliable or not according to the reliability parameters, and then taking measures to improve the reliability of theelectricity-gas combined system. According to the method, the reliability of the power-natural gas combined system is accurately judged under the condition of considering the electrical combined optimization power flow, so that a scheduling mechanism can be helped to improve the power-natural gas combined system; Reliability of natural gas combined system.

Description

technical field [0001] The invention relates to a reliability processing guarantee method of a power grid system, in particular to a method for judging the reliability of an electric-gas combined system based on an electric combined optimization flow, and belongs to the field of comprehensive energy system operation and reliability analysis. Background technique [0002] As an efficient and clean fossil fuel, natural gas has been widely used in recent years. According to a report released by the China Electricity Council, in 2016, the power generation of gas-fired units reached 1.833×10 8 MWh, compared with 2015, an increase of 12.81% over the same period. In addition, with the maturity of power-to-gas technology, excess electricity can be converted into hydrogen through the process of electrolysis of water or further methanized by using power-to-gas equipment, and injected into the natural gas transmission system, thus realizing the energy exchange between the power system...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/06H02J3/00
CPCY02E40/70Y04S10/50
Inventor 丁一王盛叶承晋邵常政
Owner ZHEJIANG UNIV
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