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Hybrid control method of electrical-gas interconnection integrated energy system

A technology of integrated energy system and hybrid control, applied in the field of power system, can solve the problems of power system security impact and limited power grid operation.

Active Publication Date: 2018-12-18
HOHAI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

On the one hand, the energy conversion of gas turbines and P2G technology, and the time-space translation characteristics of gas grid storage provide a new way to accommodate renewable energy and smooth the peak-to-valley difference in the power grid; Supply impact, limited grid operation

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  • Hybrid control method of electrical-gas interconnection integrated energy system
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Embodiment Construction

[0061] Below in conjunction with specific embodiment, further illustrate the present invention, should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various equivalent forms of the present invention All modifications fall within the scope defined by the appended claims of the present application.

[0062] The idea of ​​the present invention is to firstly establish a system optimization model after the coupling of the electric power system and the natural gas system, and then aim at the minimum cost and the minimum load shedding respectively, and respectively establish the prevention control optimization model of the electric-gas interconnection comprehensive energy system based on the coupled system optimization model and correction control optimization model, considering the importance of co...

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Abstract

The invention discloses a hybrid control method of an electrical-gas interconnection integrated energy system. The hybrid control method comprises the following steps of 1) building an electrical-gasinterconnection integrated energy system optimization model according to slow dynamic characteristic of natural gas and pipe storage; 2) building prevention and control optimization dispatching modelof the electrical-gas interconnection integrated energy system by considering a key fault in an anticipated fault set; 3) building an after-fault correction control module by considering other faultsexcept for the key fault set in the anticipated fault set according to a prevention and control strategy; 4) building a hybrid control framework of the electrical-gas interconnection integrated energysystem by combining a prevention and control model and the correction control module; and 5) testing performance of the hybrid control method in the integrated energy system. With the method providedby the invention, the calculation efficiency is effectively improved, and the fault control strategy of the electrical-gas interconnection integrated energy system can be more accurately customized.

Description

technical field [0001] The invention belongs to the technical field of power systems, and in particular relates to a hybrid control method for an electric-gas interconnected integrated energy system. Background technique [0002] In today's society, the contradiction between energy demand growth and energy shortage, energy consumption and environmental protection has become increasingly prominent. Energy issues have gradually become a hot topic in academic and industrial circles. Natural gas has attracted widespread attention due to its advantages of environmental protection, high efficiency and abundant reserves. Gas power generation is getting more and more attention. With the large-scale grid connection of gas turbines, the connection between the power grid and the gas grid has become increasingly close. On the one hand, the energy conversion of gas turbines and P2G technology, and the time-space translation characteristics of gas grid storage provide a new way to accomm...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B13/04H02J3/00
CPCG05B13/042H02J3/008H02J2203/20
Inventor 卫志农梅建春朱梓荣孙国强臧海洋
Owner HOHAI UNIV
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