An optimal configuration method and system for wind farm energy storage considering dynamic current-carrying characteristics

An optimized configuration and energy storage system technology, applied in the direction of AC network load balancing, single-network parallel feeding arrangement, etc., can solve the problem that the output capacity of wind farms is not fully utilized, so as to improve the utilization rate of clean energy and improve the utilization rate. rate level effect

Active Publication Date: 2021-06-01
STATE GRID FUJIAN ELECTRIC POWER CO LTD +1
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Problems solved by technology

Existing technical solutions have proposed optimal allocation methods for wind farm supporting energy storage from different perspectives, but as one of the key factors affecting the underutilization of wind farm output, the line transmission capacity has not received much attention in most relevant researches , which will result in the output capacity of the wind farm not being fully utilized

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  • An optimal configuration method and system for wind farm energy storage considering dynamic current-carrying characteristics
  • An optimal configuration method and system for wind farm energy storage considering dynamic current-carrying characteristics
  • An optimal configuration method and system for wind farm energy storage considering dynamic current-carrying characteristics

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[0064] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0065] It should be pointed out that the following detailed description is exemplary and is intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0066] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combina...

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Abstract

The invention relates to a wind farm energy storage optimization configuration method and system considering dynamic current-carrying characteristics. First, more than one typical scene of the wind farm area environment is generated according to historical meteorological data in the wind farm area, and a cluster of wind power generating units in the wind farm is generated. Design the line carrying capacity requirements under the output of each typical scenario and the full load of the wind farm in each scene; then calculate and generate the dynamic current carrying capacity of the entire line corridor in each typical scenario; finally, consider the dynamic current carrying characteristics into the constraints and establish the wind power The optimal configuration model of the wind farm energy storage system is solved, and the optimal configuration of the wind farm energy storage system is obtained by solving the model. The invention takes the dynamic transmission capacity of the line into consideration, further excavates the transmission capacity of the overhead transmission line of the wind farm, fully utilizes the power transmission capacity of the overhead transmission line of the power system, and can improve the utilization rate of grid assets and the utilization rate of clean energy in the power system.

Description

technical field [0001] The invention relates to the field of power system design, in particular to a wind farm energy storage optimization configuration method and system considering dynamic current-carrying characteristics. Background technique [0002] With the increasing installed capacity of wind power, the integration of wind power has also brought a series of problems to the power system. Among them, the problem of wind power consumption has always been concerned, and the use of energy storage to improve the system's consumption of wind power is the key to realizing wind power, etc. One of the important ways to develop and utilize clean energy on a large scale. [0003] In recent years, with the development of energy storage technology, many research results have been obtained on the optimal allocation of wind farm energy storage. For example, the energy storage system power and capacity configuration optimization method is used to stabilize the wind power prediction ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/38H02J3/46H02J3/28H02J3/32
CPCH02J3/28H02J3/32H02J3/46
Inventor 张成炜黄宇淇彭传相
Owner STATE GRID FUJIAN ELECTRIC POWER CO LTD
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