Micro grid energy management method

An energy management and micro grid technology, applied in the field of smart grid, can solve problems such as algorithm practicability limitation, and achieve the effect of high reliability of calculation results, improvement of voltage and frequency indicators, and high precision

Active Publication Date: 2018-01-23
WUHAN UNIV
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Embodiment Construction

[0054] 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 designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0055] In order to make those skilled in the art understand the present invention better, relevant basic situation is introduced as follows:

[0056] This embodiment adopts the following technical solution to realize, a microgrid energy management method, the microgrid includes a plurality of distributed power generation units, each distributed power generation unit has an intelligent body; each distributed power generation unit, the intelligent body A connected communication network is designed; the method includes the steps of:

[0...

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Abstract

The invention relates to an intelligent grid technology and particularly relates to a micro grid energy management method. A micro grid comprises a plurality of distributed power generation units; each distributed power generation unit is provided with an intelligent agent; and communicated communication networks are designed among the distributed power generation unit and among the intelligent agents. The method comprises the following steps of: establishing an optimal mathematical model for micro grid distributed energy management; measuring and obtaining local information at grid connectionpoints where the distributed power generation units access to the micro grid, and carrying out initialization processing; implementing information exchange of the intelligent agent of each distributed power generation unit by the communication networks, calculating to obtain a reference value of active power outputs of the distributed power generation units, and according to the reference value,regulating the active power output of each distributed power generation unit; and determining an end condition. According to the method, various constraint conditions in the micro grid are comprehensively considered, a node does not need to be commanded to provide global load active demand information, fully distributed micro grid energy management can be implemented, and a calculation result is high in reliability and high in accuracy.

Description

technical field [0001] The invention belongs to the technical field of smart grids, and in particular relates to a micro-grid energy management method. Background technique [0002] With the increasing demand for energy and the seriousness of environmental pollution, distributed power generation and microgrid technology have received more and more attention. Realizing microgrid energy management and coordinated control has important theoretical and practical value for making full use of distributed power sources, improving microgrid operation economy, improving microgrid island operation voltage and frequency indicators, and ensuring power supply reliability and power quality. [0003] The characteristic of a multi-agent system is that each agent in the system has a different state and limited capabilities. When many agents are connected together through a communication network and a communication protocol, it is impossible for a single agent to coordinate and cooperate with...

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Application Information

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IPC IPC(8): H02J3/38H02J3/48
Inventor 乐健王曹李星锐周雷
Owner WUHAN UNIV
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