Multi-target optimal hybrid power flow algorithm of regional comprehensive energy system

An integrated energy system, multi-objective optimal technology, applied in the direction of AC network, AC network circuit, circuit device, etc. with the same frequency from different sources, can solve problems such as unsatisfactory

Active Publication Date: 2017-05-31
TIANJIN UNIV
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Problems solved by technology

Considering the multi-objective nature of the regional integrated energy system itself, the optimization under the condition of a single objective is far from meeting the needs of actual operation

Method used

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  • Multi-target optimal hybrid power flow algorithm of regional comprehensive energy system
  • Multi-target optimal hybrid power flow algorithm of regional comprehensive energy system
  • Multi-target optimal hybrid power flow algorithm of regional comprehensive energy system

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Embodiment

[0178] Embodiment: First, perform single-objective optimization on two objective functions, and analyze the optimization results; then analyze the scheduling results based on the multi-objective optimal mixed power flow algorithm of the regional integrated energy system of the present invention, and prove by comparison the correctness of the algorithm.

[0179] 1. Basic data

[0180] by Figure 5 The typical regional integrated energy system shown is taken as an example. Firstly, the optimal mixed power flow of the regional integrated energy system is solved and analyzed with the single objectives of economic cost minimization and pollution gas emission minimization; then, the economic cost minimization and The minimization of pollutant gas emissions is a multi-objective solution analysis for the multi-objective optimal mixed power flow of the regional integrated energy system. Among them, the regional comprehensive energy system is composed of IEEE37 and a 14-node gas pipel...

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Abstract

The invention discloses a multi-target optimal hybrid power flow algorithm of a regional comprehensive energy system. The multi-target optimal hybrid power flow algorithm includes: building the mathematical models of a power distribution system, a gas pipe network and an energy center, building a multi-target optimal scheduling model of regional comprehensive energy system economic cost and pollution gas discharge quantity, selecting constraint conditions, calling OpenDSS in MATLAB software to perform power flow calculation, performing optimization on the basis of an improved non-dominated sorting genetic algorithm to obtain the Pareto frontier of the regional comprehensive energy system economic cost and pollution gas discharge quantity, and comparing the Pareto frontier with a single-target optimization result using the economic cost and pollution gas discharge quantity and performing analysis to prove the correctness of the algorithm and further obtain the current optimal scheduling scheme of the regional comprehensive energy system. The multi-target optimal hybrid power flow algorithm has the advantages that many scheduling schemes can be provided for operation staff while system operation constraint conditions are satisfied, and the final operation scheme can be decided according to actual needs.

Description

technical field [0001] The invention relates to the optimal operation of a regional comprehensive energy system, and specifically relates to a multi-objective optimal mixed power flow algorithm for a regional comprehensive energy system. Background technique [0002] In order to solve the increasingly tense relationship between energy supply and demand and the continuous deterioration of the global environment, which is a common threat faced by mankind, all sectors of society have carried out a lot of research from two directions: increasing income and reducing expenditure. Through the unified planning and coordinated operation of multiple energy systems such as electricity / gas / heat, an integrated local area energy system (Integrated Local Area Energy System) composed of distributed terminal integrated energy units and a coupled centralized energy supply network is constructed. , ILAES), on the one hand, it can promote the full utilization of new energy sources and increase ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/06
CPCH02J3/06H02J2203/20
Inventor 穆云飞林威靳小龙贾宏杰余晓丹
Owner TIANJIN UNIV
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