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A Construction Method of Generalized Aggregated Distributed Energy Storage System

A technology of distributed energy storage and construction method, applied in system integration technology, information technology support system, energy reserve and other directions, can solve problems such as inability, achieve efficient energy management and regulation, improve equipment utilization efficiency, and meet dynamic balance requirements. Effect

Active Publication Date: 2019-02-19
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 of the power generation side, the grid side, and the user side for global scheduling and energy storage allocation management

Method used

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  • A Construction Method of Generalized Aggregated Distributed Energy Storage System
  • A Construction Method of Generalized Aggregated Distributed Energy Storage System
  • A Construction Method of Generalized Aggregated Distributed Energy Storage System

Examples

Experimental program
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Effect test

Embodiment 1

[0035] Such as figure 1 As shown, the present invention provides a construction method of a generalized aggregated distributed energy storage system including:

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

[0037] On the grid side, the capacity of the energy storage system configuration is obtained according to the simulation calculation; 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 arranged 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 perform data interaction through the information communication network; the power trading and operation center conducts two-way i...

Embodiment 2

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

[0048] (1) Simulation calculation results of Tianzhong DC unipolar blocking on energy storage demand

[0049] According to simulation calculations, if unipolar blocking occurs in Tianzhong DC, regardless of stabilization 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 Tianzhong DC receiving 8 million kilowatts, the flow direction of each section in the province is basically centered on Zhengzhou, and it is transmitted to northern Henan, southern Henan, eastern Henan and western Henan; in the case of Tianzhong DC bipolar blockade, The power shortage in the province is mainly provided by the Nanyang UHV and the Hubei-Henan Fourth Circuit, and the flow direction of the province has unde...

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Abstract

The invention discloses a construction method of a generalized aggregated distributed energy storage system, which includes: on the power generation side, an energy storage unit is arranged on the power generation side, and the energy storage unit is connected to the unit through a power interface; on the power grid side, according to simulation calculation , to obtain the configured capacity of the energy storage system; calculate the number of energy storage units according to the configured capacity of the energy storage system; on the user side, set an energy storage unit on the user side, and the energy storage unit is connected to the distributed energy source through a distributed interface; The power generation side, the power grid side, and the user side perform data interaction through the information communication network; the power trading and operation center conducts two-way interaction with the energy storage unit through the data and information management system. Through the Internet communication technology, the invention realizes the application in power plant frequency regulation and large user peak regulation, improves the equipment utilization efficiency of the power grid, and reduces the investment of the power grid.

Description

technical field [0001] The invention relates to the field of electric power technology, in particular to a construction method of a generalized aggregated distributed energy storage system. Background technique [0002] As an important technical support for building 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 the power grid 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 consuming clean energy, ensuring grid security, smoothing load fluctuations, and connecting distributed power sources to the grid. First, on the power generation side, the combination of energy storage and traditional power generation technology can improve the frequency regulation capa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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