Comprehensive energy system day-ahead optimal scheduling method considering heat supply network reconstruction

A technology that integrates energy systems and optimizes scheduling. It is applied in information technology support systems, resources, computing, etc., and can solve problems such as limiting heat networks.

Active Publication Date: 2020-08-21
TSINGHUA UNIV
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  • 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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  • Comprehensive energy system day-ahead optimal scheduling method considering heat supply network reconstruction
  • Comprehensive energy system day-ahead optimal scheduling method considering heat supply network reconstruction
  • Comprehensive energy system day-ahead optimal scheduling method considering heat supply network reconstruction

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Embodiment Construction

[0068] 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:

[0069] (1) Establish the objective function of the optimal scheduling of the integrated energy system for the reconstruction of the heating network:

[0070]

[0071] 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 comprehensive energy system day-ahead optimal scheduling method considering heat supply network reconstruction, and belongs to the technical field of operation control of comprehensive energy systems. The scheduling method comprises the following steps of: establishing an objective function which minimizes the operating cost; establishing constraint conditions includingoutput calculation equations and range constraints of multiple types of equipment, and considering reconstructed heat supply network constraints, power grid constraints, power balance and other contents; by solving the optimal scheduling model, acquiring a comprehensive energy system day-ahead optimal scheduling scheme for statistics and heat supply network reconstruction. According to the scheduling method, heat supply network reconstruction serves as an adjusting means in day-ahead optimal scheduling, the flexibility of heat supply network adjustment can be brought into full play, the purposes of consuming more renewable energy sources, relieving power grid transmission blockage and the like are achieved, and efficient operation of a comprehensive energy system is promoted.

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. [0002] technical background [0003] 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, wind and light curtailment occur from time to time, and the development of renewable energy has not been realized. effective application. [0004] Combined heat and power units use natural gas as the input energy to produce electricity and heat at th...

Claims

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Application Information

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Patent Type & Authority Applications(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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