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Distributed power supply large-scale grid-connected multi-target dynamic cluster division method and device

A technology of distributed power supply and distributed cluster, which is applied in the direction of circuit devices, wind power generation, electrical components, etc.

Pending Publication Date: 2022-05-27
STATE GRID HUBEI ELECTRIC POWER RES INST +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, how to effectively implement multi-objective dynamic partitioning of DG clusters is rarely reported in current research

Method used

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  • Distributed power supply large-scale grid-connected multi-target dynamic cluster division method and device
  • Distributed power supply large-scale grid-connected multi-target dynamic cluster division method and device
  • Distributed power supply large-scale grid-connected multi-target dynamic cluster division method and device

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Embodiment Construction

[0059] 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 work fall within the protection scope of the present invention.

[0060] In view of the defects or improvement requirements of the prior art, the present invention provides a multi-objective dynamic cluster division method for large-scale grid-connected distributed power sources, which aims to comprehensively consider electrical distance and active power consumption for large-scale grid-connected distribute...

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Abstract

The invention provides a distributed power supply large-scale grid-connected multi-target dynamic cluster division method and device. The method comprises the following steps: establishing a structural index and a functional index of distributed cluster division; combining the structural index and the functional index to form a multi-target comprehensive division performance index, converting the multi-target comprehensive division performance index into a multi-target extension time dynamic index, and dividing the multi-target extension time dynamic index according to a distributed cluster to obtain a multi-target extension time dynamic index; and obtaining a continuous extension time dynamic comprehensive performance index function, solving the comprehensive performance index function by using a genetic algorithm, and performing multi-target dynamic cluster division of the distributed power supply according to a solving result. According to the method, the power consumption problem between the DGs clusters and the influence of flexible resources on the interiors of the clusters are fully considered, and the comprehensive division performance index is converted into an expansion time dynamic index from a static index through mathematical derivation processing.

Description

technical field [0001] The invention relates to the field of grid-connected operation regulation of distributed power sources, in particular to a method and device for large-scale grid-connected multi-objective dynamic cluster division of distributed power sources. Background technique [0002] In recent years, due to the support of the national renewable energy sustainable development policy and the improvement of people's awareness of green environmental protection, large-scale distributed generation (DGs) such as hydropower, photovoltaic power, and wind power have developed rapidly. It will have a certain impact on the safe and stable operation and management of the system. Facing the challenge of large-scale integration of DGs, it is urgent to improve and perfect the integrated regulation technology of DGs to ensure stable, safe and economical operation of the power grid, and to improve the grid-connection capability of green and sustainable renewable power sources. [...

Claims

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Application Information

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IPC IPC(8): H02J3/38H02J3/16G06Q50/06
CPCH02J3/381H02J3/16G06Q50/06H02J2203/10H02J2300/20H02J2300/24H02J2300/28Y02E10/76
Inventor 叶畅曹侃柳丹蔡德福陈汝斯
Owner STATE GRID HUBEI ELECTRIC POWER RES INST
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