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Distributed decoupling optimization method and system for integrated energy system considering carbon transaction

A technology of integrated energy system and optimization method, which is applied in the field of distributed decoupling optimization and system of integrated energy system considering carbon trading, and can solve the problem of separate scheduling decision-making

Pending Publication Date: 2022-02-18
ZHEJIANG UNIV OF TECH
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Problems solved by technology

The traditional power system and natural gas network are generally designed and operated separately, and the corresponding dispatching decisions are made separately, usually ignoring the coupling of the two networks. In fact, the respective prices, costs and usage of the power system and gas system will be substituted. Complementarity

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  • Distributed decoupling optimization method and system for integrated energy system considering carbon transaction
  • Distributed decoupling optimization method and system for integrated energy system considering carbon transaction
  • Distributed decoupling optimization method and system for integrated energy system considering carbon transaction

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Embodiment Construction

[0109] The present invention will be further described below in conjunction with the accompanying drawings.

[0110] refer to Figure 1 to Figure 7 , a distributed decoupling optimization method for an integrated energy system considering carbon trading, the method includes the following steps:

[0111] S1: Establish a centralized optimization framework for the electrical coupling system. The centralized optimization framework for the electrical coupling system is mainly composed of the power system, gas system, gas turbine and computing center, and initialize the global data and information of the power system and gas system;

[0112] S2: Construct a centralized model of regional comprehensive energy system, whose objective function mainly includes power system, gas system and carbon emission costs, and carry out corresponding operation constraints on the objective function;

[0113] S3: Transform the original non-convex problem into a mixed integer second-order cone program...

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Abstract

The invention discloses a distributed decoupling optimization method for an integrated energy system considering carbon transaction, and the method comprises the steps: building a centralized optimization framework of an electrical coupling system, and initializing the global data and information of a power system and a gas system; constructing a centralized model of the regional integrated energy system, wherein an objective function of the centralized model comprises an electric power system, a gas system and carbon emission cost, and corresponding operation constraint is carried out on the objective function; converting an original non-convex problem into mixed integer second-order cone programming based on SOCP relaxation, and carrying out reactive power optimization by using an ADMM consistent distributed algorithm; on the basis of an ADMM method of a consistency variable, introducing a consensus variable to represent a synergistic effect between an electric power network and a natural gas network, so that a distributed optimization problem of a regional integrated energy system is solved; and finally, realizing distributed decoupling optimization of the system by using a consistent ADMM method by utilizing case analysis of the regional power and gas comprehensive energy integrated system. The invention further comprises a distributed decoupling optimization system for the integrated energy system considering the carbon transaction.

Description

technical field [0001] The invention relates to a distributed decoupling optimization method and system for an integrated energy system considering carbon trading. Background technique [0002] With the significant increase in the installed capacity of new energy units and multi-energy units, the coupling of multi-energy forms in the regional integrated energy system and the problem of unit scheduling are becoming more and more difficult. It is particularly important to study distributed control and scheduling methods. Compared with traditional coal-fired units, gas-fired units have the advantages of high thermal efficiency, less carbon emissions, and strong unit adjustability. With the increase of environmental regulations restricting carbon emissions and the phase-out of old and inefficient units, Chinese society has further promoted the transition of coal-fired power units to gas-fired power units. In the context of the dual-carbon strategy proposed by the central govern...

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Application Information

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IPC IPC(8): G06F30/20G06F17/10G06Q40/04G06Q50/06
CPCG06F30/20G06F17/10G06Q50/06G06Q40/04G06F2119/02
Inventor 王国烽郑曼杨宇王力成张有兵
Owner ZHEJIANG UNIV OF TECH
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