A comprehensive energy system-oriented medium-and-long-term comprehensive demand response modeling method

An integrated energy system and demand response technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as the response of flexible load electric vehicles that are rarely considered, and achieve the goal of improving user utility and economic efficiency Effect

Active Publication Date: 2019-05-28
NANJING UNIV OF TECH +2
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  • Claims
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Problems solved by technology

However, these studies rarely model and analyze comprehensive demand response from different time dimensions, and rarely consider the response of flexible loads, energy storage, and electric vehicles as participants.

Method used

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  • A comprehensive energy system-oriented medium-and-long-term comprehensive demand response modeling method
  • A comprehensive energy system-oriented medium-and-long-term comprehensive demand response modeling method
  • A comprehensive energy system-oriented medium-and-long-term comprehensive demand response modeling method

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Embodiment 1

[0045] refer to figure 1 , which is the overall flow chart of the medium- and long-term integrated demand response modeling method for integrated energy systems proposed in this embodiment. In the specific implementation process, it consists of the following steps:

[0046] Step 1. Establish an integrated energy system dispatching model, including establishing an integrated energy system structure, establishing a heat network model, a gas network model, and a grid model;

[0047] Step 2. Establish a comprehensive demand response model, including obtaining node energy prices, establishing a gas-electricity / heat-electricity substitution load model, and establishing a user utility maximization model;

[0048] Step 3. Establish a comprehensive demand response system dynamics model based on medium and long-term time dimensions, including establishing a long-term comprehensive demand response decision-making model, establishing a medium-term comprehensive demand response decision-ma...

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Abstract

The invention discloses a comprehensive energy system-oriented medium-and-long-term comprehensive demand response modeling method, which comprises the following steps of constructing a comprehensive energy system scheduling model; building a comprehensive demand response model; establishing a comprehensive demand response system dynamics model based on the medium and long term time dimension; andusing the flexible load, the energy storage and the electric vehicle as the participation subjects of long-term comprehensive demand response to carry out demand response analysis. The method has thebeneficial effects that the coupling characteristic of a comprehensive energy network is considered, so that the economical efficiency of system scheduling is improved; the alternative load of a comprehensive energy user is considered, so that the analysis on the energy consumption behavior of the user is facilitated, and the user effectiveness is improved; the long-term, middle-term and short-term demand response decisions of a user are considered, and the coupling relation among long-term, middle-term and short-term user behaviors and the time change characteristics of demand side resourcesare analyzed.

Description

technical field [0001] The invention relates to the technical field of electricity purchase and sale methods, in particular to a medium- and long-term comprehensive demand response modeling method for comprehensive energy systems. Background technique [0002] In recent years, in order to improve the overall energy efficiency and deal with the deterioration of the ecological environment, the comprehensive energy system formed by the coupling and interconnection of multiple energy networks such as power systems, natural gas systems, and renewable energy systems has become one of the solutions. The core is to build a multi-energy interconnection network, and use the mutual conversion capabilities of different energy sources to realize energy synergy and complementarity. In terminal consumption, users can achieve the same effect by choosing different types of energy. The characteristics of mutual coupling and mutual substitution between energy sources provide the demand side w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
Inventor 窦迅王俊吴磊赵长伟
Owner NANJING UNIV OF TECH
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