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A microgrid optimization scheduling method, system and equipment

A technology for optimizing scheduling and micro-grid, which is applied in the direction of AC network circuit, AC network load balancing, single-network parallel feeding arrangement, etc. It can solve the problems of not considering the loss of energy storage cycle life, so as to improve operating income and reduce non-linearity Degree, the effect of reducing operating costs

Active Publication Date: 2022-01-11
GUANGDONG POWER GRID CO LTD +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The present invention provides a micro-grid optimization scheduling method, system and equipment, which solves the technical problem that the energy storage cycle life loss is not considered in the prior art research on the micro-grid including the energy storage system

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  • A microgrid optimization scheduling method, system and equipment
  • A microgrid optimization scheduling method, system and equipment
  • A microgrid optimization scheduling method, system and equipment

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Embodiment Construction

[0053] The embodiments of the present invention provide a microgrid optimization scheduling method, system and equipment, which are used to solve the technical problem that the energy storage cycle life loss is not considered in the prior art research on the microgrid including the energy storage system.

[0054] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following The described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0055]The purpose of the embodim...

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Abstract

The invention discloses a microgrid optimization scheduling method, system and equipment. The invention includes the following steps: establishing a microgrid economic scheduling model MO that does not consider the cycle life of electric energy storage, and solving it to obtain an expected energy storage charge and discharge power curve; According to the curve, the linearized energy storage cycle loss model is established; the linearized energy storage cycle loss model is substituted into the microgrid economic dispatch model MO that does not consider the electric energy storage cycle life, and the microgrid economic dispatch considering the energy storage cycle loss cost is obtained The model M1 is solved to obtain the optimal scheduling decision of the microgrid considering the cycle life of energy storage. The present invention establishes a linearized energy storage cycle loss model through the expected energy storage charging and discharging power curve, so that the energy storage cycle life loss can be considered in the optimization scheduling process of the microgrid, and the microgrid operator can avoid excessive charging and discharging. The microgrid operation strategy of the microgrid provided by the present invention can provide the basis and reference for the optimized operation plan of the microgrid, and has practical guiding significance.

Description

technical field [0001] The present invention relates to the technical field of electric power dispatching, in particular to a microgrid optimal dispatching method, system and equipment. Background technique [0002] The optimal scheduling of microgrid refers to the optimal distribution of distributed power sources and energy storage devices in the microgrid through optimal distribution of the output Power to meet the load demand and ensure the safe and stable operation of the microgrid. Micro-grids often require high initial investment. At present, the construction and maintenance costs of micro-grids remain high, and subsidies for distributed power generation and micro-grid-related equipment, especially for energy storage, have not yet been issued. The cost of energy storage systems accounts for the entire micro-grid. 1 / 3 of control system cost. Since the cost of energy storage is still high, excessive charging and discharging of energy storage will affect the service lif...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/10
CPCH02J3/00H02J3/008H02J3/32H02J3/38H02J3/381H02J3/46
Inventor 郭琳何宇俊陈锦鹏
Owner GUANGDONG POWER GRID CO LTD
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