Method for managing energy storage battery in micro-grid

An energy storage battery and micro-grid technology, which is applied in the energy industry, AC network load balancing, sustainable manufacturing/processing, etc., can solve the problems of low battery life and high battery management cost, and achieve cost reduction, battery management cost reduction, The effect of prolonging life

Active Publication Date: 2016-11-23
STATE GRID ZHEJIANG HANGZHOU YUHANG POWER SUPPLY +3
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Problems solved by technology

At the same time, the life of the energy storage battery is mainly related to the discharge mode of the battery. At present, the management of charging and discharging the battery is mainly used to monitor the battery status and operating parameters to protect the safety of the battery. It does not combine battery management and economic dispatch in the microgrid. , lower battery life, and higher battery management costs

Method used

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Embodiment Construction

[0038] The core of the present invention is to provide a method for managing energy storage batteries in a microgrid, so as to prolong the service life of the energy storage batteries and reduce costs.

[0039] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is a part of embodiments of the present invention, but not all embodiments. 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.

[0040] Please refer to figure 1 , figure 1 It is a flow chart of a method for managing energy storage batteries in a microgrid provided by...

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Abstract

The invention discloses a method for managing an energy storage battery in a micro-grid. The method comprises the steps of determining a power flow direction according to output power of a distributed power supply in a micro-grid system, output power of a power distribution network and a charge state of the energy storage battery; calculating service life of the energy storage battery; and controlling electric discharge of the energy storage battery through service life management cost and electricity purchasing cost of the energy storage battery. According to the method, the service life of the energy storage battery is prolonged and the cost is reduced.

Description

technical field [0001] The invention relates to the technical field of energy storage batteries in microgrids, in particular to a method for managing energy storage batteries in microgrids. Background technique [0002] At present, microgrid technology is an important way to accommodate distributed power, which can reduce the burden on large power grids. In general, residential microgrids are equipped with energy storage batteries, the main purpose of which is to adjust peak loads and improve the reliability of distributed power sources. Due to the strong randomness and intermittent characteristics of wind power and photovoltaics in the microgrid, the charge and discharge of the energy storage battery in the microgrid will be in an irregular state. At the same time, the life of the energy storage battery is mainly related to the discharge mode of the battery. At present, the management of charging and discharging the battery is mainly used to monitor the battery status and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/32
CPCY02P80/14H02J3/32
Inventor 葛军凯王凯军李题印孙可
Owner STATE GRID ZHEJIANG HANGZHOU YUHANG POWER SUPPLY
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