CN107453364A - A kind of energy stream of Regional Energy system and information flow fusion method - Google Patents
A kind of energy stream of Regional Energy system and information flow fusion method Download PDFInfo
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Abstract
A kind of energy stream and information flow fusion method that can be realized towards the highly integrated Regional Energy system of the Regional Energy system of resident side, the Regional Energy system integration has multiple home energy source networks, power supply and demand interactive service platform and communication manager, each home energy source network, which includes Intelligent household energy source gateway, Distributed-generation equipment, energy storage device and customer charge, this method, to be included:Intelligent household energy source gateway collection customer charge, generating equipment, the information of energy storage device, and information is uploaded to power supply and demand interactive service platform by communication processor;Power supply and demand interaction platform is according to information, predetermined power stream constraints and predetermined optimization aim, under predetermined operation mode, make Intelligent household energy source optimization coordination control strategy, and the control strategy is issued to generating equipment, energy storage device and customer charge by communication manager and Intelligent household energy source gateway, to be controlled according to control strategy to generating equipment, energy storage device and the mutual energy stream of customer charge.
Description
Technical field
This invention relates generally to the energy stream of power system and information flow fusion field, and in particular to a kind of Regional Energy
The energy stream of system and information flow fusion method.
Background technology
Electric network information physics emerging system (cyber-physical system, CPS) interactive modeling method can reflect electricity
Information flow and the interaction mechanism of energy stream in Force system, by building power network CPS information-physical coupling framework, CPS submodules
Electrical equipment in the basic-element model and power system of block carries out electrical connection and is connected with logic, forms overall electric network information thing
Emerging system is managed, new framework and technical foundation are provided for electric power system optimization control, fail-safe analysis etc..
Achievement in research relates generally to the energy stream and information flow fusion method and interaction mechanism of power system at present, that is, considers
Information-physical couplings between conventional electric power generation unit and load, but prior art is not directed to send out comprising distributed photovoltaic
The energy stream of the Regional Energy system towards resident side of the novel energies such as electricity and energy storage device and information flow fusion method.
The content of the invention
In view of this, it is an object of the invention to propose a kind of energy stream of Regional Energy system and the information flow side of fusion
Method, this method can be realized towards the highly integrated of the Regional Energy system of resident side.
According to the energy stream of the Regional Energy system of the present invention and information flow fusion method, the Regional Energy system includes
Multiple home energy source networks, power supply and demand interactive service platform and communication manager, each home energy source network include
Intelligent household energy source gateway, Distributed-generation equipment, energy storage device and customer charge, methods described include:
The Intelligent household energy source gateway gathers the customer charge, the Distributed-generation equipment, the energy storage device
Information, and described information is uploaded to the power supply and demand interactive service platform by the communication processor;
The power supply and demand interaction platform according to described information, predetermined power stream constraints and predetermined optimization aim,
Under predetermined operation mode, Intelligent household energy source optimization coordination control strategy is made, and the control strategy is passed through into the communication
Supervisor and the Intelligent household energy source gateway are issued to the Distributed-generation equipment, the energy storage device and the user and born
Lotus, with mutual to the Distributed-generation equipment, the energy storage device and the customer charge according to the control strategy
Energy stream be controlled.
Preferably, the predetermined power stream constraints includes the Distributed-generation equipment, energy storage device, described
The flow direction of energy stream between customer charge and period.
Preferably, the predetermined optimization aim includes minimizing the operating cost of the home energy source network, maximizes institute
State the energy consumption efficiency of customer charge, maximize the utilization rate of the Distributed-generation equipment.
Preferably, the predetermined operation mode is online pattern in full, in this mode, the Distributed-generation equipment institute
The electric energy of offer is all sent into power network;The energy storage device in off-peak electricity price period from the grid charging, and in peak electricity tariff
Period powers for the customer charge.
Preferably, the predetermined operation mode is generates power for their own use, under remaining electric online pattern, in this mode, the distribution
The electric energy that formula generating equipment is provided preferentially is sent to the customer charge, unnecessary electrical power storage in the energy storage device, if
The energy storage device finite capacity, all electric energy can not be dissolved, then unnecessary electric energy are supplied to power network, obtained electricity price and receive
Benefit;The energy storage device stores the electric energy that the Distributed-generation equipment is provided first, in trough-electricity if having spare capacity
The valency period stores the electric energy of the power network, and in the electric energy deficiency of the Distributed-generation equipment or in the peak of power network electricity
Valency period release electric energy uses for the customer charge;It is insufficient in the Distributed-generation equipment and the energy storage device
In the case of user power utilization demand, the power network provides electric energy to the customer charge.
Preferably, the information of the upload includes the customer charge, the Distributed-generation equipment, the energy storage device
Electric quantity data or status data.
Preferably, each home energy source network also includes smart jack, and the smart jack gathers the user and born
The electric quantity data or status data of lotus, and the electric quantity data or status data are uploaded to the Intelligent household energy
The control strategy of the Intelligent household energy source gateway is also issued to the customer charge by source gateway, the smart jack.
Preferably, each home energy source network also includes active demand response unit, the active demand response list
The frequency/voltage change of first active response power network, electricity price/pumping signal, on the one hand by the electric quantity data of the customer charge or
Person's status data is uploaded to the Intelligent household energy source gateway, and the electricity price/pumping signal on the other hand is handed down into the use
Family load.
Preferably, the communication manager by protocol conversion, patrols the communication data of the Intelligent household energy source gateway
Volume processing, the power supply and demand interactive service platform is uploaded to predetermined data frame format in real time after aggregating.
Preferably, the Distributed-generation equipment includes distributed photovoltaic power generation equipment.
Compared with prior art, the scheme of this patent at least has advantages below:The present invention had both realized Regional Energy system
Distributed-generation equipment, energy storage device, customer charge and upper strata power supply and demand interactive service platform in system positioned at resident side exist
Physically highly integrated, the highly integrated of energy stream and information flow between them is realized again, improves Regional Energy system
Interaction capabilities and self-adjusting ability, realize power network and the friendly two-way interaction of domestic consumer.
Brief description of the drawings
Fig. 1 a show the region energy towards resident side under online pattern in full according to an embodiment of the invention
The energy stream architecture of source system;
Fig. 1 b show it is according to an embodiment of the invention generate power for their own use, under remaining electric online pattern towards resident side
Regional Energy system energy stream architecture;
Fig. 2 shows the information flow of the Regional Energy system towards resident side of a specific embodiment according to the present invention
Framework;
Fig. 3 shows the integrated architecture of Regional Energy system according to an embodiment of the invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in more detail.
This patent proposes a kind of energy stream of Regional Energy system and information flow fusion method, can be with reflecting regional energy system
Coupled relation and interaction mechanism between the energy stream and information flow of system, for structure comprising customer charge, Distributed-generation equipment,
The home energy source network optimization operation Controlling model of energy storage device etc., break through the optimum capacity point of resident's wisdom energy source gateway
Method of completing the square provides technical support.
1~3 the embodiment according to inventive concept of the invention is described with reference to the accompanying drawings, in the specific embodiment party
In formula, Distributed-generation equipment of the present invention is, for example, distributed photovoltaic power generation equipment etc., and energy storage device is, for example, electric power storage
Pond etc., customer charge are, for example, air-conditioning, water heater etc..Certainly, those skilled in the art can be readily apparent that, of the present invention
Distributed-generation equipment, energy storage device and customer charge can be that other of the specific embodiment listed herein are equally set
It is standby, such as Distributed-generation equipment can also be other novel energies such as distributed wind power equipment.
Below, in order to more fully understand energy stream and information flow fusion method according to the Regional Energy system of the present invention,
It will be described with three parts, Part I description is according to the Regional Energy system under different grid-connect modes of the present invention
The framework of energy stream;Part II describes the framework of the information flow of the Regional Energy system according to the present invention;Part III describes
According to the energy stream of Regional Energy system and the integrated architecture of information flow towards resident side of the present invention.
(1) according to the energy stream architecture of the Regional Energy system under the different grid-connect modes of the present invention
At present, family expenses distributed photovoltaic power generation equipment shares two kinds of grid-connect modes, i.e.,:Online pattern in full with from from
With, remaining electric online pattern.Though exist between the scheme under different mode it is different, participate in Regional Energy system operation main body and
Main framework be it is basically identical, i.e.,:Distributed photovoltaic, distributed energy storage, customer charge and power network.
Under both of which towards resident side Regional Energy system capacity stream architecture as shown in figure 1, wherein Fig. 1 a are shown entirely
The Regional Energy system capacity stream architecture towards resident side under volume online pattern, Fig. 1 b show to generate power for their own use, remaining electricity online mould
The Regional Energy system capacity stream architecture towards resident side under formula.
Under the online pattern in full shown in Fig. 1 a, distributed photovoltaic power generation equipment is as power supply, there is provided energy source, institute
Generated energy is all sent into power network;Family absorbs electric energy to be charged in off-peak electricity price period with energy storage device from power network, and in height
Peak rate period is powered for customer charge, so as to realize the regulation of energy;Customer charge derives from as energy terminal, its energy
Family energy storage device and power network power supply.This framework reduces influence of the distributed photovoltaic power generation equipment to operation of power networks, simultaneously
It is easy to electric quantity metering, is advantageous to implement the dsm measures such as tou power price.
It is preferential certainly in generating power for their own use, under remaining electric online pattern shown in Fig. 1 b, distributed photovoltaic power generation equipment institute generated energy
With unnecessary electricity can be stored in the energy storage device of family, if energy storage device finite capacity, can not dissolve whole electric energy, can be with
Remaining electricity is supplied to power network, obtains electricity price income.Family stores distributed photovoltaic first by the use of energy storage device as energy adjustment unit
The electric energy of generating equipment, the electric energy of power network off-peak electricity price period is stored if having spare capacity, and in the electricity of photovoltaic power generation equipment
Amount deficiency or power network peak electricity tariff period release energy to be used for customer charge.Customer charge is set in photovoltaic power generation equipment and energy storage
It is standby be insufficient for household electricity demand in the case of, it is necessary to from power network power purchase.This framework is truly realized photovoltaic generation
On-site elimination, had both reduced user's purchases strategies, improved local photovoltaic consumption rate again.
(2) according to the information flow architecture of the Regional Energy system of the present invention
In different modes, it is roughly the same towards the pattern of the Regional Energy system information flows of resident side.Fig. 2 is shown
According to the information flow architecture of the Regional Energy system towards resident side of the specific embodiment of the present invention.As shown in Figure 2,
The overall architecture of information flow can include system layer, transport layer and mechanical floor.
Wherein, system layer includes three Background control program, database, interactive interface parts, and interactive interface reads data
Corresponding data and real-time display in storehouse, database are then responsible for the quantity of state, electric quantity data, control of each equipment in storage device layer
The result of calculation of command information processed and control program.Control program can realize the optimization operation control to home energy source network internal
Multiple internetwork energetic interactions of home energy source coordinate control etc. in system and Regional Energy system.
Transport layer based on communication manager and Intelligent household energy source gateway, realize with energy data by Intelligent household energy source gateway
Collection, the intelligent management of customer charge and light-preserved system, the function such as energy optimal control, be responsible for the electricity number of mechanical floor
System layer, and the control information that reception system layer issues are uploaded to according to information such as, status datas, mechanical floor is accordingly controlled
System.Communication manager can carry out corresponding protocol processes, by intelligent control device all in Regional Energy system, such as family
The communication data of wisdom energy source gateway, by protocol conversion, logical process, after aggregating with a kind of data frame format it is real-time on
System layer is reached, database carries out data-linkage by information transmission protocol and communication manager.
Mechanical floor, which includes light-preserved system, active demand response unit, smart jack and customer charge, smart jack, to be adopted
Collect the information such as electric quantity data and the status data of customer charge, and by the information such as the electric quantity data of customer charge and status data
Intelligent household energy source gateway is reached, also the control information of Intelligent household energy source gateway can be issued into user by smart jack bears
Lotus.Active demand response unit can with the change of the frequency/voltage of active response power system, electricity price/pumping signal, by with
On the one hand the data of customer charge can be uploaded to home energy source gateway, on the other hand believe electricity price/excitation by family load connection
Number customer charge is handed down to, realizes that workload demand such as responds, automatically controlled at the function.Light-preserved system is used for managing distributed photovoltaic hair
Electric equipment and energy storage device, can be by information such as the electric quantity datas and status data of distributed photovoltaic power generation equipment and energy storage device
Intelligent household energy source gateway is delivered to, and receives the control information transmitted from gateway.All information flows are all two-way in Fig. 2
's.
(3) towards resident side Regional Energy system energy stream and integration of information flow framework
Fig. 3 shows the integrated architecture of Regional Energy system according to an embodiment of the invention.This patent is with energy
Stream is used as most basic physical link, the means of communication based on the information flow of high speed, realizes the area towards resident side
Domain energy resource system it is highly integrated.
In figure 3, for the angle of energy stream, Regional Energy system is by multiple home energy source network 0,1 ... n groups
Into each home energy source network is by Intelligent household energy source gateway, distributed photovoltaic power generation equipment, energy storage device and customer charge
Composition, and be connected by points of common connection with power network.1~n home energy sources network and No. 0 home energy source network knot in Fig. 3
Structure is identical.
Intelligent household energy source gateway is the important pivot of Regional Energy system, and it is that connection home energy source network supplies with electric power
The bridge of interactive service platform is needed, realizes the standardization of energy, information interface, so as to ensure that energy stream and the effective of information flow are melted
Close.Based on Regional Energy system capacity stream architecture, under different grid-connect modes, Intelligent household energy source gateway can realize that photovoltaic is sent out
Coordination control between electricity, energy storage, load.
For the angle of information flow, the most basic unit of information gathering is Intelligent household energy source gateway, and it realizes house
The integration of the information of mechanical floor inside the energy network of front yard.Realized by light-preserved system to photovoltaic power generation equipment and energy storage device
Information gathering, the information of household user load is obtained by smart jack or active demand response unit, and information is uploaded to
In Intelligent household energy source gateway.
Then the information of each home energy source network is uploaded to communication manager, by protocol conversion, logical process, arranges and converges
The General Logistics Department is uploaded to system layer in real time with a kind of data frame format.
Power supply and demand interactive service platform is located at system layer, by being collected to the information of mechanical floor, being analyzed, with minimum
Change the operating cost of the home energy source network, the energy consumption efficiency of the maximization customer charge, the maximization generating equipment
Utilization rate be optimization aim, the flow direction of the energy stream between photovoltaic power generation equipment, energy storage device, customer charge and period
For constraints, it is possible to achieve polynary customer charge prediction, Demand-side active response mechanism are worked out, electric power set meal/excitation is issued,
The functions such as supply and demand interactive tactics.Certainly, those skilled in the art according to the actual needs, can also set other optimization mesh
It is marked with and energy stream constraints.
Below, the design of the energy stream of Regional Energy system for a better understanding of the present invention and information flow fusion method
And principle, it is illustrated by taking No. 0 home energy source network as an example.In this example, No. 0 family's energy in Regional Energy system
The family expenses such as distributed photovoltaic power generation equipment, energy storage device, Intelligent household energy source gateway and air-conditioning, water heater are included in source network
Customer charge, light-preserved system realize the information gathering to photovoltaic power generation equipment and energy storage device, and smart jack or active demand are rung
Answer unit to obtain the information of customer charge, and the information is uploaded in Intelligent household energy source gateway, Intelligent household energy source gateway
Information is uploaded to by power supply and demand interactive service platform by communication manager.Power supply and demand interaction platform passes through load prediction etc.
As a result, such as using region efficiency highest as optimization aim, and for example generating power for their own use, under the operation mode of remaining electricity online,
Intelligent household energy source optimization coordination control strategy is made, and the control strategy is issued to Intelligent household by communication manager
Energy source gateway, control strategy is issued to the mechanical floor of home energy source network by Intelligent household energy source gateway, realizes photovoltaic, storage
The coordination control and the transmission of energy stream of energy between energy, customer charge.
By the analysis to Regional Energy system integrated framework, it can be found that the Regional Energy system of user oriented side be with
Energy stream is as most basic physical link, the means of communication based on the information flow of high speed, therefore is two kinds of flow models
Highly integrated synthesis framework.Energy stream is the actual regulation and control object of Regional Energy system, and information flow is energy stream and allotment plan
Bridge between slightly.
According to the integrated architecture of the above-mentioned zone energy resource system of the present invention, can effectively be connected by Intelligent household energy source gateway
Home energy source network and power supply and demand interaction platform, realize energy, the standardized transmission of information, one side Intelligent household energy net
The collection that can be realized to information such as customer charge, distributed photovoltaic power generation equipment, energy storage devices is closed, and information is uploaded to electricity
Power supply and demand interactive service platform;On the other hand, power supply and demand interaction platform combination city user's water, electricity and gas and distributed energy etc.
The state aware of multi-source information, by Intelligent household energy source gateway realize to the output of home energy source network internal controllable electric power,
The run time of energy storage device and schedulable load, the power of controllable burden determine and with higher level's power network or Regional Energy system
Interior energetic interaction optimizes coordination control, to minimize the operating cost of home energy source network, maximizes resident and uses
Energy efficiency, and service hoisting renewable energy utilization rate is target, realizes extensive resident's energy efficiency management and demand response service.
According to the present invention above-mentioned zone energy resource system integrated architecture, using energy stream as most basic physical link,
Means of communication based on the information flow of high speed, it is possible to achieve towards resident side Regional Energy system it is highly integrated,
To realize that the energy of the rational allocation of Regional Energy system capacity stream and information flow and each home energy source network mutually helps offer technology
Support.
According to the Regional Energy system capacity stream of the present invention and information flow fusion method, it is possible to achieve towards the area of resident side
Domain energy resource system it is highly integrated.By energy stream and the effective integration of information flow, the Regional Energy system towards resident side is realized
Distributed light-storage in system-and with the rational allocation of plant capacity stream and effective transmission of information flow, improve distributed power source on the spot
Digestion capability, by the close-coupled of power supply and demand interactive service platform and home energy source network, improve family comprehensive efficiency
Managerial skills, promote power network and the two-way interaction of domestic consumer.
Those of ordinary skills in the art should understand that:The discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples;Under the thinking of the present invention, above example
Or can also be combined between the technical characteristic in different embodiments, step can be realized with random order, and exist such as
Many other changes of upper described different aspect of the invention, for simplicity, they are not provided in details.
Embodiments of the invention be intended to fall within the broad range of appended claims it is all it is such replace,
Modifications and variations.Therefore, within the spirit and principles of the invention, any omission, modification, equivalent substitution, the improvement made
Deng should be included in the scope of the protection.
Claims (10)
1. a kind of energy stream of Regional Energy system and information flow fusion method, the Regional Energy system include multiple family's energy
Source network, power supply and demand interactive service platform and communication manager, each home energy source network include Intelligent household energy
Source gateway, Distributed-generation equipment, energy storage device and customer charge, methods described include:
The Intelligent household energy source gateway gathers the customer charge, the Distributed-generation equipment, the letter of the energy storage device
Breath, and described information is uploaded to the power supply and demand interactive service platform by the communication processor;
The power supply and demand interaction platform is according to described information, predetermined power stream constraints and predetermined optimization aim, predetermined
Under operation mode, Intelligent household energy source optimization coordination control strategy is made, and the control strategy is passed through into the communication management
Machine and the Intelligent household energy source gateway are issued to the Distributed-generation equipment, the energy storage device and the customer charge,
With according to the control strategy to the Distributed-generation equipment, the energy storage device and the mutual energy of the customer charge
Amount stream is controlled.
2. the energy stream of Regional Energy system according to claim 1 and information flow fusion method, it is characterised in that described
Predetermined power stream constraints includes the energy between the Distributed-generation equipment, the energy storage device, the customer charge
The flow direction of stream and period.
3. the energy of Regional Energy system according to claim 1 and information flow fusion method, it is characterised in that described pre-
Determine optimization aim include minimizing the operating cost of the home energy source network, the energy consumption efficiency for maximizing the customer charge,
Maximize the utilization rate of the Distributed-generation equipment.
4. the energy stream of the Regional Energy system according to any one of claims 1 to 3 and information flow fusion method, its
It is characterised by, the predetermined operation mode is online pattern in full, in this mode, what the Distributed-generation equipment was provided
Electric energy is all sent into power network;The energy storage device is from the grid charging, and in the peak electricity tariff period in off-peak electricity price period
The customer charge power supply.
5. the energy stream of the Regional Energy system according to any one of claims 1 to 3 and information flow fusion method, its
It is characterised by, the predetermined operation mode is generates power for their own use, under remaining electric online pattern, in this mode, the distributed power generation
The electric energy that equipment is provided preferentially is sent to the customer charge, and unnecessary electrical power storage is in the energy storage device, if the storage
Energy place capacity is limited, can not dissolve all electric energy, then unnecessary electric energy is supplied into power network, obtain electricity price income;It is described
Energy storage device stores the electric energy that the Distributed-generation equipment is provided first, is stored up if having spare capacity in off-peak electricity price period
The electric energy of the power network is deposited, and is released in the electric energy deficiency of the Distributed-generation equipment or in the peak electricity tariff period of the power network
Electric discharge can use for the customer charge;User power utilization is insufficient in the Distributed-generation equipment and the energy storage device
In the case of demand, the power network provides electric energy to the customer charge.
6. the energy stream of Regional Energy system according to claim 1 and information flow fusion method, it is characterised in that described
The information of upload includes the customer charge, the Distributed-generation equipment, the electric quantity data of the energy storage device or state
Data.
7. the energy stream of Regional Energy system according to claim 6 and information flow fusion method, it is characterised in that each
The home energy source network also includes smart jack, the smart jack gather the customer charge the electric quantity data or
Status data, and the electric quantity data or status data are uploaded to the Intelligent household energy source gateway, the smart jack
The control strategy of the Intelligent household energy source gateway is also issued to the customer charge.
8. the energy stream of Regional Energy system according to claim 1 and information flow fusion method, it is characterised in that each
The home energy source network also includes active demand response unit, the frequency of the active demand response unit active response power network
Rate/voltage change, electricity price/pumping signal, are on the one hand uploaded to institute by the electric quantity data of the customer charge or status data
Intelligent household energy source gateway is stated, the electricity price/pumping signal is on the other hand handed down to the customer charge.
9. the energy stream of Regional Energy system according to claim 1 and information flow fusion method, it is characterised in that described
Communication manager by the communication data of the Intelligent household energy source gateway, by protocol conversion, logical process, aggregate after with
Predetermined data frame format is uploaded to the power supply and demand interactive service platform in real time.
10. the energy stream of Regional Energy system according to claim 1 and information flow fusion method, it is characterised in that institute
Stating Distributed-generation equipment includes distributed photovoltaic power generation equipment.
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