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A Day-Ahead Optimal Scheduling Method for Integrated Energy Systems Considering Heating Network Reconfiguration

A technology that integrates energy systems and optimizes scheduling. It is applied in information technology support systems, resources, and computing. It can solve problems such as limiting heat grids, and achieve the effects of increasing consumption, alleviating grid transmission congestion, and increasing adjustment flexibility.

Active Publication Date: 2022-04-08
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These dispatching methods are based on fixed heating network topology, which limits the application of heating network regulation capabilities

Method used

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  • A Day-Ahead Optimal Scheduling Method for Integrated Energy Systems Considering Heating Network Reconfiguration
  • A Day-Ahead Optimal Scheduling Method for Integrated Energy Systems Considering Heating Network Reconfiguration
  • A Day-Ahead Optimal Scheduling Method for Integrated Energy Systems Considering Heating Network Reconfiguration

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Embodiment Construction

[0067] The present invention proposes a day-ahead optimization scheduling method for an integrated energy system that takes into account the reconfiguration of the heating network, including the following steps:

[0068] (1) Establish the objective function of the optimal scheduling of the integrated energy system for the reconstruction of the heating network:

[0069]

[0070] In the formula, t is the serial number of the scheduling time, T is the set of scheduling time in one day, i 1 i 2 i 3 i 4 are the numbers of cogeneration units, heating boilers, traditional generators, and wind turbines in the integrated energy system, and n is the number of the power bus in the integrated energy system; K CHP is the set of combined heat and power units, K HB For the set of heating boilers, K TU is a collection of traditional generators, K WD is the set of wind turbines, K bus is a collection of power buses; and Respectively, the combined heat and power unit i 1 Active p...

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Abstract

The invention relates to a day-ahead optimization scheduling method of an integrated energy system considering the reconfiguration of a heating network, and belongs to the technical field of operation control of an integrated energy system. The dispatching method of the present invention establishes an objective function that minimizes operating costs; establishes constraints that include multi-type equipment output calculation equations and range constraints, heat network constraints that take into account reconstruction, power grid constraints, and power balance; through Solving the optimal scheduling model can obtain the optimal scheduling scheme of the integrated energy system for statistics and heat network reconstruction. The dispatching method of the present invention uses the heat network reconfiguration as an adjustment method in the day-ahead optimal dispatch, which can give full play to the flexibility of heat network adjustment, realize the goals of absorbing more renewable energy and alleviating grid transmission congestion, and promote comprehensive energy efficiency. The system runs efficiently.

Description

technical field [0001] The invention relates to a day-ahead optimization scheduling method of an integrated energy system considering the reconfiguration of a heating network, and belongs to the technical field of operation control of an integrated energy system. Background technique [0002] With the continuous development of social economy, the power load is increasing day by day, and the congestion problem in the power grid has attracted the attention of research and application. At the same time, the installed capacity of renewable energy continues to expand, but due to factors such as the temporal and spatial characteristics of renewable energy, power grid regulation capabilities, and grid transmission limitations, curtailment of wind and light occurs from time to time, failing to achieve the goal of renewable energy. effective application. [0003] Combined heat and power units use natural gas as the input energy to produce electricity and heat at the same time, which...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06H02J3/46
CPCG06Q10/04G06Q10/0631G06Q50/06H02J3/466H02J2300/28Y04S10/50
Inventor 孙宏斌郭庆来王彬薛屹洵潘昭光
Owner TSINGHUA UNIV
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