CN209516641U - A kind of energy storage stacking system of Based on Distributed energy storage demand - Google Patents
A kind of energy storage stacking system of Based on Distributed energy storage demand Download PDFInfo
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Abstract
The utility model discloses a kind of energy storage stacking system of Based on Distributed energy storage demand, including Optimized Operation server, distributed energy storage unit, Intelligent Energy management module, intelligent trouble management module and centralized energy-accumulating power station by energy storage Bidirectional variable-flow interface controller, DC-AC converter, flow battery group, lithium battery group, ultracapacitor arrays and battery energy management module composition.Intelligent Energy management module accesses power distribution network after connecting with user, distributed energy storage unit again；Intelligent trouble management module is distributed in power distribution network key node；Flow battery group, lithium battery group and ultracapacitor arrays access power distribution network through energy storage Bidirectional variable-flow interface controller and DC-AC converter；Battery management system (bms) module is responsible for collecting each energy storage device status information；Optimized Operation server via Ethernet is communicated with energy storage Bidirectional variable-flow interface controller, Intelligent Energy management module.The utility model can provide high-quality cheap energy storage service for distributed user.
Description
Technical field
The utility model relates to the technical field of energy storage energy management, a kind of Based on Distributed energy storage demand is referred in particular to
Energy storage stacking system.
Background technique
Distributed energy storage is a kind of energy storage for being mainly installed on user side or distributed power generation side, is mainly used for excess of storage
Distributed power generation electric energy, stabilize distributed power generation and go out fluctuation to reduce the influence to power distribution network.In recent years, renewable energy
The booming effective stimulus technological progress and application of distributed energy storage of power generation.New energy possesses not sending a telegram here for high permeability
In Force system, distributed energy storage will be key area therein.
Distributed energy storage is when just starting to occur, since installed capacity and quantity do not take on a certain scale, to power grid
Impact it is not serious.But with its developed recently, the shortcomings that distributed energy storage poor controllability, access dispersion, sufficiently exposes,
Lacking effective management means makes voltage, frequency and the power quality of power grid all stand severe tests, and considerably increases the operation of power grid
Cost.The limited popularization that will also involve renewable energy of distributed energy storage development.In view of this, many has been made by each side both at home and abroad
Good try and theoretical research, wherein more fruitful have: 1) " free lunch " mode, energy-storage battery quotient sells to user to be stored
Battery and the main control for enjoying battery control battery when power grid electricity price is lower from grid charging, and user passes through maximization
Self consumption roof photovoltaic electricity power obtains the additional electrical energy of energy-storage battery quotient reward, to realize lower electricity charge account
It is single.2) by the way that energy conservation module and energy-storage system are integrated, user side dispersion energy storage is integrated, is allowed in user
Side is used as virtual plant, this kind of virtual plant is more traditional with more multi-functional, it is possible to provide primary frequency modulation control and spare equal clothes
Business.User can obtain ancillary service cost from operator under this kind of mode, to reduce the electricity charge.In recent years, domestic scholars mention
" Load aggregation quotient " concept out derives " resource polymerization quotient " concept again shortly after, that is, converges several distributed user energy storage ginsengs
With power market transaction." cloud energy storage " is then the further materialization of this kind " resource polymerization quotient ".Cloud energy storage is to disperse script
Cloud is focused in the energy storage device of user side, replaces the entity energy storage of user side with the virtual energy storage capacity in cloud, and cloud
Virtual energy storage capacity using large-scale energy storage device as main support, energy storage in a distributed manner is auxiliary, is a large amount of user
Distributed energy storage service of high quality and at a reasonable price is provided.
Though cloud energy storage has had basic operating mode, business model has also had forecast analysis, specific to
The technology of cloud energy-storage system realizes that there is no a kind of implementable solutions.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts and deficiency, propose a kind of Based on Distributed energy storage
The energy storage stacking system of demand can realize that it converges the discrete energy storage resource of user and reaches that scale effect, stabilize can from technological layer
The renewable sources of energy go out the serial elementary object such as fluctuation.On this basis, it is calculated by effective Optimization scheduling algorithm considerable superfluous
Remaining energy storing space responsive electricity grid peak-frequency regulation, further provides safeguard for the safe and stable operation of power grid.
To achieve the above object, technical solution provided by the utility model are as follows: a kind of Based on Distributed energy storage demand
Energy storage stacking system, comprising:
Optimized Operation server, for realizing the energy storage optimizing scheduling under a variety of time scales；
Centralized energy-accumulating power station is extensive energy storage entity, according to the real-time energy storage demand of user and Optimized Operation server
The short-term energy storage plan provided controls the energy storage device charge and discharge of its control to meet user demand；
The vehicle-mounted battery of distributed energy storage unit, mainly electric car also includes resident's energy-storage battery, stores up as standby
Energy resource, when centralized energy-accumulating power station is insufficient for user demand, distributed energy storage unit will provide additional energy storing space；
Intelligent Energy management module, configuration are collected in user side and distributed energy storage cell side for system communication, information
And it is interacted with the electric energy of power distribution network；
Intelligent trouble management module is distributed in the important node of power distribution network, for the failure removal under emergency；
Distributed energy storage unit, including the vehicle-mounted battery of electric car and resident's energy-storage battery, as standby energy storage resource,
When centralized energy-accumulating power station is insufficient for user demand, distributed energy storage unit will provide additional energy storing space；
Wherein, the centralized energy-accumulating power station is by energy storage Bidirectional variable-flow interface controller, DC-AC converter, flow battery
Group, lithium battery group, ultracapacitor arrays and battery energy management module composition；The Optimized Operation server is by with information
Communication module, message processing module, the energy storage Optimized Operation module of running optimizatin algorithm and the history number of acquisition and sending function
It is constituted according to library；The communication module is connect with message processing module, provides acquired information, the message processing module and energy storage
The connection of Optimized Operation module provides information after processing to energy storage Optimized Operation module, the energy storage Optimized Operation module and logical
Believe module connection, transmit energy storage scheduling strategy, the historical data base is excellent with communication module, message processing module, energy storage respectively
Change scheduler module connection, for storing historical data；The Optimized Operation server via Ethernet and each Intelligent Energy management
Module, each intelligent trouble management module, energy storage Bidirectional variable-flow interface controller and battery energy management module are communicated；It is described
Energy storage Bidirectional variable-flow interface controller is straight with three kinds of flow battery group, lithium battery group, ultracapacitor arrays energy storage devices respectively
It connects in succession, energy scheduling is carried out to them；The DC-AC converter accesses after connecting with energy storage Bidirectional variable-flow interface controller matches
Power grid；The battery energy management module by local area network or wire channel respectively with flow battery group, lithium battery group and super
Array of capacitors is connected, and acquires energy storage device status information；The Intelligent Energy management module and user, distributed energy storage unit
After being connected, then it connect with power distribution network.
The utility model compared with prior art, have the following advantages that with the utility model has the advantages that
1, by the utility model, available real-time, on-demand, high-quality and low price the energy storage service of user is not only saved
The purchase of energy storage device, installation, maintenance cost, reduce the use cost of energy storage service；And virtual energy storage can be passed through
Purchase is conveniently adjusted the electricity consumption plan of oneself, reduces the electricity charge and dissolves owned distributed energy to greatest extent.
2, it is made rational planning for centralized energy storage and distributed energy storage by the energy storage Optimized Operation module of running optimizatin algorithm
Charge and discharge can effectively reduce operating cost, realize benefit；Energy-storage system redundancy energy storing space can be utilized with power grid cooperation
Peak-frequency regulation value-added service is provided.
3, energy storage stacking system incorporates the energy storage demand of a large amount of prosumer's clusters, alleviates distributed power generation and largely accesses
Impact to power distribution network, corresponding operation expense decline；Cooperate to can get large capacity energy storage sky with energy storage service provider
Between be used for peak-frequency regulation, more efficient improvement power quality.
4, the utility model makes full use of social slack resources, optimizes configuration of social resources.
5, the utility model relies on Intelligent Energy management module and intelligent trouble management module to constitute energy transmission management knot
Structure has ensured system run all right.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the energy storage stacking system of Based on Distributed energy storage demand.
Fig. 2 is the structural schematic diagram of Optimized Operation server.
Specific embodiment
The utility model is described in further detail combined with specific embodiments below.
As depicted in figs. 1 and 2, the energy storage stacking system of Based on Distributed energy storage demand provided by the present embodiment, comprising:
Optimized Operation server 1, for realizing the energy storage optimizing scheduling under a variety of time scales；
Centralized energy-accumulating power station 2 is extensive energy storage entity, according to the real-time energy storage demand of user and Optimized Operation server
The short-term energy storage plan provided controls the energy storage device charge and discharge of its control to meet user demand；
3, i.e. IEM 3 Intelligent Energy management module (Intelligent Energy Management, IEM), configuration with
Family side and distributed energy storage cell side are collected for system communication, information and are interacted with the electric energy of power distribution network；
4, i.e. IFM 4 intelligent trouble management module (Intelligent Fault Management, IFM), are distributed in and match
The important node of power grid, for the failure removal under emergency；
The vehicle-mounted battery 51 of distributed energy storage unit 5, mainly electric car also includes resident's energy-storage battery 52, as
Standby energy storage resource, when centralized energy-accumulating power station is insufficient for user demand, distributed energy storage unit will provide additional storage
It can space；
Wherein, the centralized energy-accumulating power station 2 is by energy storage Bidirectional variable-flow interface controller 21, DC-AC converter 22, liquid stream
Battery pack 23, lithium battery group 24, ultracapacitor arrays 25 and battery energy management module 26 are constituted；The Optimized Operation service
Device 1 is optimized by the energy storage of communication module 11, message processing module 12, running optimizatin algorithm with information collection and sending function
Scheduler module 13 and historical data base 14 are constituted；The communication module 11 is connect with message processing module 12, is provided and is acquired letter
Breath, the message processing module 12 are connect with energy storage Optimized Operation module 13, are provided to energy storage Optimized Operation module 13 through handling
Information afterwards, the energy storage Optimized Operation module 13 are connect with communication module 11, transmit energy storage scheduling strategy, the historical data base
14 connect with communication module 11, message processing module 12 and energy storage Optimized Operation module 13 respectively, for storing historical data；Institute
It is two-way by Ethernet and each Intelligent Energy management module 3, each intelligent trouble management module 4, energy storage to state Optimized Operation server 1
Unsteady flow interface controller 21 and battery energy management module 26 are communicated；The energy storage Bidirectional variable-flow interface controller 21 is distinguished
It is directly connected to 25 3 kinds of flow battery group 23, lithium battery group 24, ultracapacitor arrays energy storage devices, energy is carried out to them
Scheduling；The DC-AC converter 22 accesses power distribution network after connecting with energy storage Bidirectional variable-flow interface controller 21；The energy content of battery
Management module 26 by local area network or wire channel respectively with flow battery group 23, lithium battery group 24 and ultracapacitor arrays 25
It is connected, acquires energy storage device status information；After the Intelligent Energy management module 3 is connected with user, distributed energy storage unit,
It is connect again with power distribution network；Distributed energy storage unit 5 includes the vehicle-mounted battery 51 of electric car and resident's energy-storage battery 52.
The examples of implementation of the above are only the preferred embodiment of the utility model, not limit the utility model with this
Practical range, therefore all shapes according to the utility model, change made by principle, it should all cover in the protection scope of the utility model
It is interior.
Claims (1)
1. a kind of energy storage stacking system of Based on Distributed energy storage demand characterized by comprising
Optimized Operation server, for realizing the energy storage optimizing scheduling under a variety of time scales；
Centralized energy-accumulating power station is extensive energy storage entity, is provided according to the real-time energy storage demand of user and Optimized Operation server
Short-term energy storage plan, control its control energy storage device charge and discharge to meet user demand；
Intelligent Energy management module, configuration in user side and distributed energy storage cell side, collected for system communication, information and
It is interacted with the electric energy of power distribution network；
Intelligent trouble management module is distributed in the important node of power distribution network, for the failure removal under emergency；
Distributed energy storage unit, including the vehicle-mounted battery of electric car and resident's energy-storage battery work as collection as standby energy storage resource
When Chinese style energy-accumulating power station is insufficient for user demand, distributed energy storage unit will provide additional energy storing space；
Wherein, the centralized energy-accumulating power station is by energy storage Bidirectional variable-flow interface controller, DC-AC converter, flow battery group, lithium
Battery pack, ultracapacitor arrays and battery energy management module composition；The Optimized Operation server is by with information collection
With communication module, message processing module, the energy storage Optimized Operation module of running optimizatin algorithm and the historical data base of sending function
It constitutes；The communication module is connect with message processing module, provides acquired information, and the message processing module and energy storage optimize
Scheduler module connection provides information after processing to energy storage Optimized Operation module, the energy storage Optimized Operation module with communicate mould
Energy storage scheduling strategy is transmitted in block connection, and the historical data base optimizes with communication module, message processing module and energy storage respectively to be adjusted
Module connection is spent, for storing historical data；The Optimized Operation server via Ethernet and each Intelligent Energy management module,
Each intelligent trouble management module, energy storage Bidirectional variable-flow interface controller and battery energy management module are communicated；The energy storage
Bidirectional variable-flow interface controller directly connects with three kinds of flow battery group, lithium battery group, ultracapacitor arrays energy storage devices respectively
It connects, energy scheduling is carried out to them；The DC-AC converter accesses distribution after connecting with energy storage Bidirectional variable-flow interface controller
Net；The battery energy management module by local area network or wire channel respectively with flow battery group, lithium battery group and super electricity
Vessel array is connected, and acquires energy storage device status information；The Intelligent Energy management module and user, distributed energy storage unit phase
After connection, then it connect with power distribution network.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256792A (en) * | 2018-10-10 | 2019-01-22 | 华南理工大学 | A kind of the energy storage stacking system and its optimization method of Based on Distributed energy storage demand |
| CN113410858A (en) * | 2021-06-18 | 2021-09-17 | 青岛华晨伟业电力科技工程有限公司 | Transfer system for energy storage power station |
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2018
- 2018-10-10 CN CN201821643305.4U patent/CN209516641U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109256792A (en) * | 2018-10-10 | 2019-01-22 | 华南理工大学 | A kind of the energy storage stacking system and its optimization method of Based on Distributed energy storage demand |
| CN109256792B (en) * | 2018-10-10 | 2023-12-22 | 华南理工大学 | Energy storage gathering system facing distributed energy storage demands and optimization method thereof |
| CN113410858A (en) * | 2021-06-18 | 2021-09-17 | 青岛华晨伟业电力科技工程有限公司 | Transfer system for energy storage power station |
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