A multi-objective optimization planning method for energy storage system

A multi-objective optimization and energy storage system technology, applied in the field of multi-objective optimization planning of energy storage systems, can solve problems such as imbalance and grid congestion energy, and achieve the effect of solving network congestion

Active Publication Date: 2021-03-16
CHINA ELECTRIC POWER RES INST +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current access to large-scale new energy has brought new challenges to the power system, such as increasing the risk of grid congestion and energy imbalance

Method used

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  • A multi-objective optimization planning method for energy storage system
  • A multi-objective optimization planning method for energy storage system
  • A multi-objective optimization planning method for energy storage system

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Embodiment Construction

[0068] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0069] The following describes a multi-objective optimization planning method for an energy storage system provided by an embodiment of the present invention with reference to the accompanying drawings.

[0070] figure 1 This is an implementation flowchart of a multi-objective optimization planning method for an energy storage syst...

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Abstract

The invention provides a multi-objective optimization planning method of an energy storage system. The multi-objective optimization planning method comprises the steps of obtaining a generating parameter and a load parameter of a power transmission network within preset time and dividing the preset time into a plurality of time intervals with equal time duration; carrying out flexibility analysis on the power transmission network within the plurality of time intervals in sequence; building a single-interval energy storage device optimization scheme set; correcting the power transmission network according to the single-interval energy storage device optimization scheme set; and carrying out power flow multi-interval optimization on the corrected power transmission network within the preset time to obtain an optimal configuration scheme of an energy storage device. Compared with the prior art, the multi-objective optimization planning method of the energy storage system has the advantages that configured time intervals, bus node, power value, electric energy value and optimal cost value of the energy storage device can be simultaneously determined through flexibility analysis, power flow single-interval optimization and power flow multi-interval optimization on the power transmission network, so that the problem of network congestion of the power transmission network can be effectively solved.

Description

technical field [0001] The invention relates to the technical field of energy storage technology and its planning, in particular to a multi-objective optimization planning method for an energy storage system. Background technique [0002] The power system transmission network is the backbone network for power transmission, and its flexibility mainly depends on the transmission network having sufficient transmission capacity. However, the current access to large-scale new energy sources brings new challenges to the power system, such as increasing the risk of grid congestion and energy imbalance. Since the transmission capacity of the transmission lines and transformers and other power equipment of the power system transmission network is fixed and cannot be flexibly adjusted, it is necessary to install energy storage equipment to adjust the transmission energy of the power system transmission line. [0003] The planning conditions of energy storage equipment mainly include:...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/28
CPCH02J3/28H02J2203/20
Inventor 赵亮施涛叶季蕾于若英王湘艳朱凌志陈宁曲立楠赵大伟钱敏慧葛路明姜达军张磊韩华玲刘艳章罗芳
Owner CHINA ELECTRIC POWER RES INST
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