Hierarchical distributed micro-grid energy-storage battery configuration method

A configuration method and energy storage battery technology, applied in the field of microgrid, can solve the problems of lack of guidance and single type of energy storage, and achieve the effect of smoothing power fluctuations, achieving stable and continuous operation of important loads

Active Publication Date: 2015-03-25
EAST GRP CO LTD
View PDF3 Cites 22 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned energy storage configuration method is general in estimation and the type of energy storage is single, which is not instructive for practical applications, and is fundamentally different from the configuration method and application field described in the present invention.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Hierarchical distributed micro-grid energy-storage battery configuration method
  • Hierarchical distributed micro-grid energy-storage battery configuration method
  • Hierarchical distributed micro-grid energy-storage battery configuration method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0024] refer to figure 1 , the hierarchical distributed micro-grid energy storage battery configuration method of the present invention adopts a hierarchical distributed structure of energy storage batteries according to the functions to be realized by the micro-grid, and the lower low-voltage bus energy storage battery uses batteries and In the supercapacitor energy storage method, the upper layer adopts battery energy storage according to the system operation requirements, and proposes the configuration method of the energy storage battery according to the role of the energy storage battery in different positions in the microgrid and the load type.

[0025] Among them, the microgrid includes the microgrid central controller MGCC, smart gateway SW, smart meter TP, energy storage inverter INV and energy storage battery BATT, and the energy storage inverter INV includes DC / DC module, DC / AC module, LC The filter module and the output isolation transformer module also include the...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to the technical field of a micro-grid, in particular to a hierarchical distributed micro-grid energy-storage battery configuration method which includes the step that lower-layer low-voltage bus storage battery configuration is carried out, wherein configuration is carried out according to functions of a storage battery in the micro-grid, and capacity configuration includes low-and-medium-frequency power fluctuation stabilization, peak load shifting and supply of voltage support for micro-grid system isolated island operation; lower-layer low-voltage bus super capacitor configuration is carried out, wherein according to functions of a super capacitor in the micro-grid, capacity configuration mainly includes local high-frequency load fluctuation stabilization; upper-layer high-voltage bus storage battery configuration is carried out, wherein according to the functions of the storage battery in the micro-grid, capacity configuration includes bus power fluctuation stabilization, system isolation island operation is maintained, and power factor compensation is provided for the whole micro-grid on a PCC point. By means of a precise configuration computing method, the power factor of grid-connected operation in the micro-grid is unique, power fluctuation of the micro-grid and a large grid is effectively stabilized on the condition that clean energy is fully used, and stability of voltage frequency of a system and continuous operation of important loads are effectively achieved.

Description

technical field [0001] The invention relates to the technical field of micro-grids, in particular to a method for configuring energy storage batteries in a hierarchical distributed micro-grid. Background technique [0002] In the microgrid, through a reasonable energy storage battery configuration scheme, the full use of clean energy within the microgrid can be realized, the impact on the large power grid can be reduced, and the impact of power outages on the normal operation of the microgrid can be effectively resisted. [0003] China Invention Patent Application No.: 201310007059.9, which discloses a multi-element composite energy storage capacity configuration method for microgrid groups. The main solution is to calculate the power generation and load of wind power generation and photovoltaic power generation in sub-microgrids within an arbitrary period of time Data; calculate the output power of wind turbines in the sub-microgrid; determine the output power of photovolta...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/32
CPCH02J3/32
Inventor 冯金生徐海波徐顺刚
Owner EAST GRP CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap