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Energy management system and method suitable for grid-connected energy storage system

An energy storage system and new energy technology, applied in the direction of AC network load balancing, etc., can solve problems such as restricting the effective use of clean energy, and achieve the effect of real-time operation status monitoring and management, reliable operation, and correction of charging and discharging power.

Active Publication Date: 2019-11-08
TBEA XIAN ELECTRIC TECH +2
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  • Abstract
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  • Claims
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Problems solved by technology

However, with the rapid development of clean energy, the grid connection of fluctuating and intermittent new energy has brought adverse effects on the grid from regulation and operation, safety control and many other aspects, which greatly limits the effective use of clean energy.

Method used

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  • Energy management system and method suitable for grid-connected energy storage system
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  • Energy management system and method suitable for grid-connected energy storage system

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Embodiment Construction

[0045] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0046]In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importa...

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Abstract

The invention discloses an energy management system and method suitable for a grid-connected energy storage system. The energy management system can realize the smooth new energy output, peak shavingand valley filling, output plan tracking and the like of the energy storage system through the stored energy charge-discharge power dispatching and the state of charge management. The grid-connected energy management system has a peak shaving and valley filling mode, a stable control mode, a planning mode and a manual mode according to different application scenarios, introduces fuzzy control method to its core energy management algorithm based on traditional energy storage management, corrects the real-time power of the stored energy according to the remaining capacity and the status of an energy storage battery so as to prevent overcharge and overdischarge.

Description

technical field [0001] The invention belongs to the technical field of electric power dispatching and management, and in particular relates to an energy management system and a management method suitable for a grid-connected energy storage system. Background technique [0002] In recent years, my country has vigorously developed clean energy, wind power and photovoltaics have achieved leapfrog development, and the proportion of installed capacity of new energy has increased day by day. However, with the rapid development of clean energy, the grid connection of fluctuating and intermittent new energy has brought adverse effects on the grid from regulation and operation, safety control and many other aspects, which greatly limits the effective use of clean energy. The battery energy storage system can be combined with distributed / centralized new energy power generation, which is one of the effective ways to solve the problem of new energy power generation grid connection. With...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/32
CPCH02J3/32
Inventor 刘云黄浪赵亮亮司睿强时丕丽许迎春
Owner TBEA XIAN ELECTRIC TECH
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