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Multi-agent-based intelligent control method for enabling micro-grid group to have access to power distribution network

A micro-grid group and intelligent control technology, applied in the direction of single-network parallel feeding arrangement, etc., can solve the problems of less research on micro-grid group control methods, and achieve the effect of improving coordination control efficiency, improving scheduling control efficiency, and high efficiency

Active Publication Date: 2015-12-30
STATE GRID CORP OF CHINA +2
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Problems solved by technology

[0007] At present, relevant researches are mainly carried out on microgrid operation, control, relay protection and economics at home and abroad. Microgrid control considers microgrid isolated grid and grid-connected operation technology, and research on microgrid group control methods is less

Method used

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  • Multi-agent-based intelligent control method for enabling micro-grid group to have access to power distribution network
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Embodiment Construction

[0027] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0028] Such as figure 2 As shown, a multi-agent-based intelligent control method for microgrid group access to distribution network includes the following steps:

[0029] Step 1: The distribution network dispatcher issues the voltage adjustment command of the grid-connected point to the microgrid group-level agent;

[0030] Step 2: After receiving the instructions, the microgrid group-level agent assigns the indicators to the sub-microgrid-level agents according to the voltage optimization adjustment model;

[0031] Step 3: The sub-microgrid-level agent receives the instruction of the micro-grid group-level agent, and sends the optimized instruction to the executi...

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Abstract

The invention discloses a multi-agent-based intelligent control method for enabling a micro-grid group to have access to a power distribution network. The method comprises the following steps that a power distribution network dispatching center issues a grid connection point adjusting instruction to micro-grid group agents; after the micro-grid group agents receive the instruction, an index is distributed to sub micro-grid agents; after the sub micro-grid agents receive the instruction of the micro-grid group agents, the optimized instruction is issued to execution agents; the execution agents receive the instruction issued by the sub micro-grid agents, all load devices are controlled to be subjected to voltage adjustment, a voltage adjustment result is fed back to the sub micro-grid agents, controllable load devices are cut away in an emergency, and voltage stabilization is ensured; the sub micro-grid agents compare the adjusted voltage with the index distributed by the micro-grid group agents, the micro-grid group agents compare the adjusted result of the sub micro-grid agents with the instruction issued by the power distribution network dispatching center, and the purposes that efficiency is high, control is easy and operation is convenient are achieved.

Description

technical field [0001] The invention relates to the field of power grid control, in particular to an intelligent control method for a multi-agent-based micro-grid group accessing a distribution network. Background technique [0002] With the development of society and economy, electricity has become the most important form of energy in people's life. Especially, the country proposes the "two alternatives" development strategy, and clean electricity will occupy an important position in the future energy system. [0003] The centralized large power grid has become the main channel of modern power supply. However, the disadvantages of the large power grid, such as high cost, difficult operation, and relatively fragile system in the event of natural disasters, have become increasingly prominent. [0004] Due to the advantages of flexible grid connection and convenient power supply, distributed power has gradually attracted attention. However, in the case of a high penetration ra...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38
Inventor 梁琛郑伟智勇拜润卿倪赛赛梁福波王永年余大伟史玉杰祁莹
Owner STATE GRID CORP OF CHINA
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