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Flywheel energy storage capacity configuration method and device

A technology of flywheel energy storage and capacity allocation, which is applied in the direction of energy storage systems, AC network load balancing, electrical components, etc., to reduce construction costs, improve reliability and effectiveness, and meet multi-index assessment requirements.

Pending Publication Date: 2021-11-02
NORTH CHINA ELECTRICAL POWER RES INST +1
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Problems solved by technology

[0005] Aiming at the problems in the prior art, this application provides a flywheel energy storage capacity configuration method and device, which can effectively improve the reliability and effectiveness of the configured flywheel energy storage capacity for primary frequency modulation of thermal power units, and can Meet the multi-index assessment requirements of thermal power units, avoid the loss of flywheel energy storage capacity and waste of resources, and also ensure the frequency modulation support capability provided by flywheel energy storage to meet the needs of primary frequency modulation of thermal power units

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  • Flywheel energy storage capacity configuration method and device
  • Flywheel energy storage capacity configuration method and device

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[0054] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0055] In an existing energy storage capacity configuration method that meets the frequency regulation requirements: it obtains the energy storage capacity parameters that the energy storage device participates in to meet the primary frequency regulation requirements of the power system from the power system instructions, including the time from response to sta...

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Abstract

The embodiment of the invention provides a flywheel energy storage capacity configuration method and device. The method comprises the steps of obtaining index differences corresponding to a first time output response index, a second time output response index and an electric quantity contribution index corresponding to a preset thermal power generating unit primary frequency modulation performance assessment requirement, determining flywheel energy storage capacity demand values corresponding to the first time output response index, the second time output response index and the electric quantity contribution index according to the index differences corresponding to the first time output response index, the second time output response index and the electric quantity contribution index, and selecting one of the flywheel energy storage capacity demand values as a target capacity configuration value of the flywheel energy storage system for carrying out primary frequency modulation on the thermal power generating unit. The reliability and effectiveness of the flywheel energy storage capacity obtained through configuration and used for carrying out primary frequency modulation on the thermal power generating unit can be effectively improved, and the multi-index assessment requirement of the thermal power generating unit can be met.

Description

technical field [0001] The present application relates to the technical field of automatic control, in particular to a flywheel energy storage capacity configuration method and device. Background technique [0002] Since the frequency regulation effect of the energy storage system is much better than that of conventional power generation technology, how to apply energy storage to improve the frequency regulation performance of thermal power units in thermal power plants has received extensive attention. Specifically, flywheel energy storage can be used to participate in the primary frequency regulation of thermal power units, giving full play to the advantages of fast response speed, wide adjustment range and less maintenance work of flywheel energy storage, improving the response speed of primary frequency regulation of thermal power units, and improving the primary frequency regulation performance of the unit under all working conditions. In turn, the economy and safety of...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/30H02J3/48H02J15/00
CPCH02J3/30H02J3/48H02J15/007Y02E60/16
Inventor 秦天牧陈振山康静秋刘磊尤默邢智炜李展高明帅张瑾哲赖联琨高爱国尚勇杨振勇冯斌田伟
Owner NORTH CHINA ELECTRICAL POWER RES INST
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