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A scheduling method for power-thermal integrated energy system with multi-regional energy stations

A technology of integrated energy system and thermal system, which is applied in the field of regional power-thermal integrated energy system dispatching, can solve problems such as not considering the influence of the system network, and achieve the effect of improving the combined heat and power system, promoting promotion, and reducing network loss

Active Publication Date: 2021-02-19
TIANJIN UNIV
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Problems solved by technology

[0007] These factors make few scholars research on the coordinated scheduling of district energy stations as the heat source of the district heating system, and the existing researches are often only from the perspective of energy balance, without considering the influence of the entire system network

Method used

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  • A scheduling method for power-thermal integrated energy system with multi-regional energy stations
  • A scheduling method for power-thermal integrated energy system with multi-regional energy stations
  • A scheduling method for power-thermal integrated energy system with multi-regional energy stations

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Embodiment 1

[0039]The embodiment of the present invention provides a method for dispatching a regional power-heat integrated energy system containing multiple energy stations and a high proportion of renewable energy, seeFigure 1-Figure 4 , The method includes the following steps:

[0040]101: Build a regional power-thermal integrated energy system consisting of distribution networks, regional energy stations, and regional thermal systems;

[0041]Among them, the regional power-thermal integrated energy system mainly includes three parts: the distribution network, the regional energy station, and the regional thermal system. The embodiment of the present invention establishes a simulation model for these three parts, and finally builds the regional power-thermal power system. Comprehensive energy system simulation model.

[0042]102: Construct the dispatch model of the above-mentioned regional power-heat integrated energy system;

[0043]Among them, in the regional power-heat integrated energy system dispa...

Embodiment 2

[0056]The following combined with the specific calculation formula,Figure 1-Figure 4 The solution in Example 1 is further introduced, as detailed in the following description:

[0057]201: Regional power-heat integrated energy system modeling;

[0058](1) Regional energy station;

[0059]Two types of regional energy stations are mainly constructed. Different types of regional energy stations provide space for the scientific dispatch of multiple energy sources. Type I energy stations include CHP (combined heat and power units), power transformers and PHE (primary heat exchange). Station), part of the electric energy generated by CHP is transformed by the power transformer and supplied to the water pump in the regional energy station, and the remaining electric energy is transmitted to the distribution network; the generated heat is transmitted to the regional heating network through PHE, and its energy balance The equation is shown in the following equation (1):

[0060]

[0061]among them,To provi...

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Abstract

A dispatching method for a power-thermal integrated energy system containing multi-regional energy stations, the method comprising the following steps: constructing a regional power-thermal comprehensive energy system composed of a distribution network, a regional energy station, and a regional thermal system; constructing the above-mentioned regional Scheduling model of power-thermal integrated energy system; Solving the dispatching model of regional power-thermal integrated energy system based on random search of swarm intelligence. Through the coordination of different types of regional energy stations, the present invention can fully tap the potential of multi-energy complementary advantages to reduce the network loss of distribution network, improve the peak load phenomenon of distribution network, increase the consumption rate of renewable energy, and effectively reduce the regional power-thermal system at the same time Operating costs.

Description

Technical field[0001]The invention relates to the field of electric power-heat integrated energy systems, in particular to a regional electric power-heat integrated energy system dispatching method containing multiple energy stations and a high proportion of renewable energy.Background technique[0002]Centralized heating using coal as raw material is a traditional heating method in winter in northern my country. However, this heating method has a serious impact on the urban environment and residents' health. Studies have shown that, as far as Beijing is concerned, this heating method increases the PM2.5 concentration by more than 50%. Since the State Council issued the "Air Pollution Prevention and Control Action Plan" on September 10, 2013, various localities have successively introduced relevant policies and subsidies to encourage the use of clean natural gas instead of coal for heating. In the same year, State Grid Corporation proposed to implement the "electricity substitution" s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06G06F30/20G06F113/04
CPCG06Q10/04G06Q10/06312G06Q50/06G06F30/20Y02E60/00
Inventor 王丹智云强贾宏杰王伟亮孟政吉刘柳
Owner TIANJIN UNIV
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