Intelligent control method for microgrid group access to distribution network based on multi-agent

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

Active Publication Date: 2018-05-15
STATE GRID CORP OF CHINA +2
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AI Technical Summary

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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  • Intelligent control method for microgrid group access to distribution network based on multi-agent
  • Intelligent control method for microgrid group access to distribution network based on multi-agent

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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 connecting a microgrid group to a distribution network. After the instruction, assign the indicators to the sub-microgrid-level agents; the sub-microgrid-level agents receive the instructions from the microgrid group-level agents, and issue the optimized instructions to the executive-level agents; each executive-level agent receives the sub-microgrid-level agents According to the instructions issued by the agent, each load device is controlled to adjust the voltage, and the result of the voltage adjustment is fed back to the sub-microgrid-level agent, and in an emergency, the controllable load device is cut off to ensure voltage stability; the sub-microgrid-level agent will adjust the The voltage is compared with the indicators assigned by the microgrid group-level agent; the microgrid group-level agent compares the adjusted results of each sub-microgrid-level agent with the instructions issued by the distribution network dispatching dispatch. The purpose of high efficiency, simple control and convenient operation is 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...

Claims

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Application Information

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Patent Type & Authority Patents(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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