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Establishing method for generalized polymerization distributed type energy storage system

A distributed energy storage and construction method technology, applied in the direction of system integration technology, information technology support system, energy storage, etc., can solve the problem of inability to wait, achieve efficient energy management and regulation, improve equipment utilization efficiency, and meet the requirements of dynamic balance Effect

Active Publication Date: 2017-02-01
国网河南综合能源服务有限公司 +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These systems only perform energy storage from the power generation side or the grid side, and cannot integrate the needs o

Method used

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  • Establishing method for generalized polymerization distributed type energy storage system
  • Establishing method for generalized polymerization distributed type energy storage system
  • Establishing method for generalized polymerization distributed type energy storage system

Examples

Experimental program
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Embodiment 1

[0035] Such as figure 1 As shown, the present invention provides a method for constructing a generalized aggregate distributed energy storage system including:

[0036] On the power generation side, an energy storage unit is provided on the power generation side, and the energy storage unit is connected to the unit through a power interface;

[0037] On the grid side, according to the simulation calculation, the capacity of the energy storage system configuration is obtained; the number of energy storage units is calculated according to the configuration capacity of the energy storage system;

[0038] On the user side, an energy storage unit is provided on the user side, and the energy storage unit is connected to the distributed energy source through a distributed interface;

[0039] The power generation side, the power grid side, and the user side conduct data interaction through the information communication network; the power transaction and operation center conduct two-way interac...

Embodiment 2

[0047] This embodiment takes the Tianzhong DC energy storage project as an example.

[0048] (1) The simulation calculation results of the energy storage demand of Tianzhong DC unipolar blocking

[0049] According to simulation calculations, if the Tianzhong DC has unipolar blocking, regardless of the stability measures such as DC modulation and load shedding, an energy storage system of about 2.6 million kilowatts is required to provide short-term power support, and the response speed of the stability control system is not greater than 100ms.

[0050] In the case of 8 million kilowatts of direct current in Tianzhong, the flow of each section in the province is basically centered on Zhengzhou, and is transported to northern Henan, southern Henan, eastern Henan and western Henan; in the case of Tianzhong DC bipolar blocking, The power shortage in the province is mainly provided by the Nanyang UHV and the Eyu Four Circuits, and the tide flow in the province has undergone a sharp revers...

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Abstract

The invention discloses an establishing method for a generalized polymerization distributed type energy storage system. According to the establishing method, a power generation side, a power grid side and a user side are included, wherein energy storage units are arranged on the power generation side; the energy storage units are connected with a machine set through power supply interfaces; the power grid side obtains configuration capacity of the energy storage system according to simulation calculation, and calculates the number of the energy storage units according to the configuration capacity of the energy storage system; the energy storage units are arranged on the user side; the energy storage units are connected with distributed type energy resource through distributed interfaces; the power generation side, the power grid side and the user side are in data interaction through an information communication network; and an electric power trading and operating center performs bidirectional interaction on the energy storage units through a data and information management system. According to the establishing method, an internet communication technology is adopted, and the generalized polymerization distributed type energy storage system applied to power plant frequency modulation and big-consumer peak regulation is realized; and meanwhile, the equipment utilization efficiency of the power grid is improved, and investment of the power grid is lowered.

Description

Technical field [0001] The invention relates to the field of electric power technology, in particular to a method for constructing a generalized aggregated distributed energy storage system. Background technique [0002] As an important technical support for the construction of the energy Internet, energy storage technology has gradually become the focus of energy technology innovation and industrial support in many countries. Energy storage promotes a fundamental change in the development model of power grids by adding time variables to energy. [0003] Energy storage technology can be widely used on the power generation side, grid side and user side of the power system to provide support for fully absorbing clean energy, ensuring grid safety, smoothing load fluctuations, and connecting distributed power sources. First, on the power generation side, the combination of energy storage and traditional power generation technology can improve the frequency adjustment capability of coa...

Claims

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Application Information

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IPC IPC(8): H02J3/28H02J3/32H02J13/00
CPCH02J3/28H02J3/32H02J13/0006Y02E40/70Y02E60/00Y02E70/30Y04S10/14Y04S10/50
Inventor 南国良刘浩董慧峰潘辉郭志敏蔡开穗苏世杰曹飞飞周丽石岭岭张旭久苗文哲鲁航许肖丹贾宝琦艾思奇
Owner 国网河南综合能源服务有限公司
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