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Decomposition-coordination optimization method based on multi-microgrid merging into power distribution network

An optimization method, decomposition and coordination technology, applied in the field of microgrid, can solve the problem of seldom participating in the optimization and scheduling of power system

Active Publication Date: 2016-10-12
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0004] When the traditional method is used to optimize the dispatching of the microgrid into the distribution network, the microgrid and the user side mainly accept the dispatching commands from the upper layer passively, or optimize the dispatching independently within the microgrid, and seldom participate in the overall optimization of the power system. Scheduling

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  • Decomposition-coordination optimization method based on multi-microgrid merging into power distribution network
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  • Decomposition-coordination optimization method based on multi-microgrid merging into power distribution network

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[0037]Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0038] Such as figure 2 As shown, the microgrid of the embodiment of the present invention is composed of a wind power generator (WT), a photovoltaic power generation unit (PV), two micro gas turbines (MT), two diesel generators (DE), a group of fuel It consists of a battery (FC), a group of energy storage units (Bat) and household loads. image 3 IEEE-33 node system shown.

[0039] A decomposition and coordination optimization method based on the integration of multiple microgrids into the distribution network, such as figure 1 As shown...

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Abstract

The invention provides a decomposition-coordination optimization method based on multi-microgrids merging into a power distribution network. The decomposition-coordination optimization method is applied when the microgrids are merged into the power distribution network for operation, solves the coordination problem between power distribution network reconfiguration optimization and microgrid economic dispatching optimization goals, provides flexible and bidirectional information interaction platform and technology for the internal of each microgrid, among the microgrids and between the microgrids and the power distribution network, achieves flexible economic dispatching, and ensures safety operation of power grids.

Description

technical field [0001] The invention belongs to the technical field of microgrids, in particular to a method for decomposition, coordination and optimization based on the integration of multiple microgrids into distribution networks. Background technique [0002] In recent years, with the rapid growth of my country's economy, the demand for energy is also growing rapidly. The long-distance, high-voltage level, and large-capacity power transmission mode has become an important feature of modern power systems. This power transmission mode is conducive to saving power generation costs and improving the utilization rate of power equipment. However, this mode also has its disadvantages. Once a power accident occurs, it is easy to expand the scope of the accident. Furthermore, fossil energy has been exploited and utilized in large quantities, which has caused serious damage to the environment, such as the greenhouse effect, smog, etc., which is incompatible with the current natio...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02J3/46
CPCH02J3/381H02J3/46
Inventor 王宁付蓉陈西
Owner NANJING UNIV OF POSTS & TELECOMM
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