Optical storage micro grid system for realizing energy storage capacity dynamic optimization

A technology of dynamic optimization and energy storage capacity, applied in electric vehicles, AC network load balancing, electrical components, etc., can solve the problems of insufficient utilization of energy storage battery capacity, large emergency power supply reserve capacity, and low overall efficiency, etc. Achieve the effect of improving energy storage utilization, improving utilization, energy saving and loss reduction, and suppressing power fluctuations

Inactive Publication Date: 2015-08-12
STATE GRID CORP OF CHINA +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, under normal circumstances, the above-mentioned ratio of emergency power reserve capacity and smooth fluctuation capacity has been fixed at the beginning of the design, resulting in too large or too small emergency power reserve capacity, and the capacity of the entire energy storage battery is not fully utilized. less efficient

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  • Optical storage micro grid system for realizing energy storage capacity dynamic optimization
  • Optical storage micro grid system for realizing energy storage capacity dynamic optimization

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Embodiment Construction

[0031] 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.

[0032] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components, and / or groups thereof. It will be understoo...

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Abstract

The embodiment of the invention provides an optical storage micro grid system for realizing energy storage capacity dynamic optimization. According to the power output data of photovoltaic power predication and the requirement data of load power predication, a set algorithm is employed by an energy storage capacity dynamic optimization module to calculate the proportional value between emergency power backup capacity and smooth fluctuation capacity, and the proportional value is transmitted to an energy storage battery management system through a DSP control module. The energy storage battery management system adjusts the emergency power reserve capacity and smooth fluctuation capacity in an energy storage battery, and thus the proportion between emergency power backup capacity and the smooth fluctuation capacity is in accordance with the proportional value after the adjustment. According to the embodiment of the invention, the energy storage capacity of the optical storage micro grid system can be dynamically optimized, the energy storage utilization rate of the optical storage micro grid system can be raised, under the premise of ensuring emergency power supply, the power fluctuation of a grid-connected point is inhibited to the maximum, and the utilization of renewable energy, energy saving and loss reduction are facilitated.

Description

technical field [0001] The invention relates to the technical field of micro-grid systems, in particular to an optical storage micro-grid system for realizing dynamic optimization of energy storage capacity. Background technique [0002] In the micro-grid system, the energy storage battery is often configured to smooth the power fluctuation of the grid-connected point and improve the acceptance capacity of the grid to the micro-grid system. Part of the capacity of the energy storage battery in the optical storage microgrid system is used for emergency power supply, and the other part is used to smooth the power fluctuation of the grid connection point. However, under normal circumstances, the above-mentioned ratio of emergency power reserve capacity and smooth fluctuation capacity has been fixed at the beginning of the design, resulting in too large or too small emergency power reserve capacity, and the capacity of the entire energy storage battery is not fully utilized. le...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/32H01M10/42H02J7/00
CPCY02E60/10
Inventor 王玮张尚腾吴学智曾国宏刘平竹孟顺刘德龙朱海波张传刚李国波
Owner STATE GRID CORP OF CHINA
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