Comprehensive energy power distribution system operation domain modeling method

A power distribution system and comprehensive energy technology, applied in the direction of electrical components, circuit devices, AC network circuits, etc., can solve problems such as single control means and one-sided evaluation of operating point operation, and achieve the effect of ensuring safe operation

Active Publication Date: 2019-09-13
TIANJIN UNIV +1
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  • Application Information

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Problems solved by technology

[0005] The invention provides a method for modeling the operation domain of the integrated energy distribution system, which provides information such as the relative position of the operating point and the feasible margin by describing the maximum feasible boundary of the system, and solves the one-sided operation evaluation of the operating point in the integrated energy distribution system , single control means and other technical problems

Method used

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  • Comprehensive energy power distribution system operation domain modeling method
  • Comprehensive energy power distribution system operation domain modeling method
  • Comprehensive energy power distribution system operation domain modeling method

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Embodiment 2

[0084] The following specific experiments are used to verify the feasibility of the comprehensive energy distribution system operation domain modeling method provided by Embodiment 1 of the present invention, see the following description for details:

[0085] Take the modified IEEE37-node power distribution system, 11-node low-voltage gas distribution system, and Type I and Type II energy hubs as examples to construct a typical electricity-natural gas coupled comprehensive energy distribution system, and select the two types of energy hubs mentioned in step 102 to form a multi-energy coupling link, the system topology such as image 3As shown, the validity of the modeling method for the operation domain of the integrated energy distribution system is verified. Wherein, the operating domain model is the same as step 101, the system operating constraint expression is the same as step 102, and the algorithm for solving the voltage boundary of the operating domain is the same as ...

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Abstract

The invention discloses a comprehensive energy power distribution system operation domain modeling method which comprises the following steps: defining an energy hub input side tie line power set provided with an automatic control device as a working point based on geographic separation and energy regulation and control of an energy hub, and proposing a comprehensive energy power distribution system operation domain model; setting a multi-energy network and energy hub operation constraint condition in an operation domain solving process according to a safe operation requirement; and setting aboundary point judgment basis by taking the energy hub as a regulation and control means to solve the operation domain model. According to the comprehensive energy power distribution system operationdomain modeling method, visual display of the maximum operation boundary of the comprehensive energy power distribution system and judgment of the operation state of the working point are realized, and the comprehensive energy power distribution system operation domain modeling method can be applied to monitoring, evaluation and regulation of the operation state of the comprehensive energy power distribution system, and assists a dispatcher to formulate a control scheme.

Description

technical field [0001] The invention relates to the fields of energy internet and integrated energy distribution system, in particular to a method for modeling the operating domain of the integrated energy distribution system. Background technique [0002] In recent years, the continuous growth of energy demand and the resulting climate and environmental issues have become increasingly prominent, and the traditional energy structure needs to be upgraded. On the other hand, the rapid development of energy conversion technologies represented by combined cooling, heating, power, and gas boilers has laid a technical foundation for the proposal of new energy supply methods. The concept of energy Internet and integrated energy system has revealed the adjustable potential of collaborative optimization among multi-energy systems; and the electric power distribution system (EPS) has a great impact on the integration of renewable energy at the regional and user levels. , energy inter...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50G06Q50/06H02J3/00H02J3/46
CPCG06Q50/06H02J3/00H02J3/46G06F2111/04G06F2111/10G06F30/20H02J2203/20Y04S10/50
Inventor 王丹刘柳贾宏杰李思源
Owner TIANJIN UNIV
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