CN109193950A - The power system optimal dispatch and strategy process coordinated based on the storage of source net lotus - Google Patents
The power system optimal dispatch and strategy process coordinated based on the storage of source net lotus Download PDFInfo
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- CN109193950A CN109193950A CN201811259661.0A CN201811259661A CN109193950A CN 109193950 A CN109193950 A CN 109193950A CN 201811259661 A CN201811259661 A CN 201811259661A CN 109193950 A CN109193950 A CN 109193950A
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- 238000009826 distribution Methods 0.000 claims abstract description 24
- 230000002452 interceptive effect Effects 0.000 claims abstract description 12
- 238000004146 energy storage Methods 0.000 claims description 6
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- 230000000875 corresponding effect Effects 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 230000000295 complement effect Effects 0.000 description 5
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- 238000005516 engineering process Methods 0.000 description 3
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Classifications
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- H02J13/0062—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/14—Energy storage units
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
The invention discloses the power system optimal dispatchs and strategy process coordinated based on the storage of source net lotus, including the electric system coordinated based on the storage of source net lotus, it is characterized by: it is described based on source net lotus storage coordinate electric system respectively with centralized decision-making layer, branch's control layer and mechanical floor are electrically connected by conducting wire, the centralized decision-making layer is electrically connected with distributed controll layer by the way that conducting wire is two-way, branch's control layer is electrically connected with mechanical floor by the way that conducting wire is two-way, the centralized decision-making layer, branch's control layer and mechanical floor are electrically connected with information interactive bus by the way that conducting wire is two-way, the information interactive bus is electrically connected with intellectual power distributing station by the way that conducting wire is two-way.Sufficiently coordinate the endogenous storage lotus distributed resource in area under one's jurisdiction, reply operation is uncertain, to build up automation, intelligentized active distribution network, operation of power networks cost is reduced by Optimized Operation for power transmission network, reduce the probability that large-scale blackout occurs, power supply reliability is improved, improves power quality, improves the economy of operation.
Description
Technical field
The present embodiments relate to technical field of electric power, more particularly to the electric power system optimization tune coordinated based on the storage of source net lotus
Degree and strategy process.
Background technique
" source-net-lotus-storage " coordination and interaction refer to that power supply, power grid, load and four part of energy storage pass through a variety of interactive means,
Power dynamic equilibrium ability that is more economical, efficiently and safely improving electric system, to realize that energy resources maximumlly utilize
Operational mode and technology, the mode make operation and operational mode comprising " power supply, power grid, load, energy storage " total solution,
Comprehensively consider the coordination and interaction characteristic between power supply, between the net of source, between the storage of net lotus, it will help clean energy resource is overcome to generate electricity out
Randomness that power is generated by environment and meteorological factor influence, passive-type problem reduce and receive new energy electric power to power grid security
Stable operation bring adverse effect is realized to enhance the ability that system receives new energy and reduces increasing number, is power grid future hair
The important directions of exhibition.In addition, having the large users such as the industry park of sub-load response characteristic to participate in power grid tune in future with whole
Degree, can be regarded as the cluster of several controllable devices, carry out cooperative scheduling for this source net lotus storage based on collection group agent, fill
Divide the complementary characteristic using various equipment, so that whole grid-connected characteristic is presented in cluster, promotes ability of regulation and control, realization is friendly grid-connected.
Existing technology has the following problems:
In terms of flexible load motivates model, although there is lot of documents to participate in electric system for flexible electric is negative both at home and abroad
The modeling problem of traffic control conducts a research, but the flexible load model fining degree being related to is not high, can only substantially react
Different types of practical electricity consumption behavior of flexible load, cannot accurately portray the exciter response potentiality of flexible load, model can not
Electricity consumption curve after accurate forecast demand participation demand is corresponding, the partial period that can not be also likely to occur reaction requirement corresponding period
The problems such as electricity consumption rebounds, may deteriorate the corresponding effect of demand, bring challenges to peak load regulation network frequency modulation, it is therefore desirable to for specific soft
Property load the characteristics of targetedly establish the model of fining, to sufficiently grasp the response characteristic of load, accurate needle
The electricity consumption of load is adjusted to power grid demand；
Power distribution network is different from power transmission network, and line impedance is bigger, and active reactive power decoupled condition no longer meets, it is necessary to have
Function is idle to be coordinated simultaneously；
Although consider currently, the research of part has been carried out in source-source, source-net, net-lotus-storage etc. comprehensively
The active power dispatch strategy of power transmission network grade of source net lotus storage four elements is well studied not yet, and the following renewable energy and
The bilateral uncertainty of load side brings huge challenge to existing scheduling method.
Summary of the invention
To solve the problems mentioned above in the background art.The present invention provides the electric system coordinated based on the storage of source net lotus
Optimized Operation and strategy process, the power system optimal dispatch coordinated based on the storage of source net lotus will give full play to all kinds of resources in net
Complementary ability of regulation and control realizes the win-win of the multi-party Interest Main Body such as source, net, lotus, storage, society.
To achieve the above object, the invention provides the following technical scheme: the electric power system optimization coordinated based on the storage of source net lotus
Scheduling and strategy process, including the electric system coordinated based on the storage of source net lotus, the electric system coordinated based on the storage of source net lotus
It is electrically connected respectively with centralized decision-making layer, branch's control layer and mechanical floor by conducting wire, the centralized decision-making layer and distributed controll layer
By the two-way electrical connection of conducting wire, branch's control layer is electrically connected with mechanical floor by the way that conducting wire is two-way, and the centralized decision-making layer divides
Portion's control layer and mechanical floor are electrically connected with information interactive bus by the way that conducting wire is two-way, the information interactive bus and intelligent power distribution
It stands through the two-way electrical connection of conducting wire.
Preferably, the centralized decision-making layer includes Yuan Wanghechu coordinated control main website and power distribution automation scheduling station.
Preferably, the distributed controll layer includes distribution power automation terminal and source net lotus storage coordinated control terminal.
Preferably, the mechanical floor includes controller switching equipment and distributed energy, and distributed energy includes photovoltaic system, storage
It can system and charging pile.
Compared with prior art, the beneficial effects of the present invention are:
1, of the invention, by demand response, production cost is reduced, improving product competitiveness in the market can for power distribution network
Power distribution network operation and management level is promoted, distribution Running State is advanced optimized, power supply quality and reliability is promoted, sufficiently coordinates
The endogenous storage lotus distributed resource in area under one's jurisdiction, reply operation is uncertain, so that automation, intelligentized active distribution network are built up,
Operation of power networks cost is reduced by Optimized Operation for power transmission network, reduces the probability that large-scale blackout occurs, improving power supply can
By property, improve power quality, improve the economy of operation, to the source net lotus storage coordination optimization regulation system of Dongguan or even the whole province area
Construction in a systematic way setting tool has reference.
2, the present invention divides towards typical polymorphic type industry Concentrated city heavy load area from the angle of dispatching of power netwoks
Not Tong Guo the active reactive optimal control of power distribution network pole and the Active Power Optimization Dispatching strategy of power transmission network, make full use of moneys at different levels
Source net lotus stores up the complementary characteristic and ability of regulation and control of resource, includes source-net-lotus-storage active distribution network operational management and power transmission network point
Analysis provides technical support, to polymorphic type flexible load, distributed generation resource, polymorphic type energy storage in the regional power grid of the following south electric network
Interacting regulation with the storage of the source net lotus of power distribution network, power transmission network has reference.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is electric system schematic diagram of the invention；
Fig. 2 is decision process schematic diagram of the invention.
Electric system 10, centralized decision-making layer 20, branch's control layer 30, mechanical floor 40 based on the storage coordination of source net lotus.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
The present invention is the following technical schemes are provided: the power system optimal dispatch coordinated based on the storage of source net lotus referring to FIG. 1-2,
And strategy process, including the electric system coordinated based on the storage of source net lotus, the electric system difference coordinated based on the storage of source net lotus
It is electrically connected with centralized decision-making layer, branch's control layer and mechanical floor by conducting wire, the centralized decision-making layer passes through with distributed controll layer
The two-way electrical connection of conducting wire, it is convenient by the response of the different demands in user and market by the way that centralized decision-making layer is arranged, it makes corresponding
Adjustment, and then reduce production cost, improve product competitiveness in the market, it is two-way that branch's control layer and mechanical floor pass through conducting wire
Electrical connection, it is convenient that coordinated control terminal, sufficiently benefit are stored up by distribution power automation terminal and source net lotus by the way that distributed controll layer is arranged
Operation of power networks cost is reduced by Optimized Operation with the complementary characteristic and ability of regulation and control of resource network lotuses at different levels storage resource, is reduced big
The probability that power outage occurs improves power supply reliability, improves power quality, improves the economy of operation, the centralized decision-making
Layer, branch's control layer and mechanical floor are electrically connected with information interactive bus by the way that conducting wire is two-way, by the way that mechanical floor, sufficiently benefit is arranged
Ability of regulation and control is promoted so that whole grid-connected characteristic is presented in cluster with the complementary characteristic of various equipment, realizes that close friend is grid-connected, owns
The information interactive bus is electrically connected with intellectual power distributing station by the way that conducting wire is two-way, passes through setting information interaction bus, information exchange
Bus conveniently makes to carry out information exchange between centralized decision-making layer, branch's control layer and mechanical floor and intellectual power distributing station and order passes
It reaches, and then aggregation process is carried out to information by intellectual power distributing station, obtain solution corresponding with summarized results, and lead to again
Cross information interactive bus respectively to centralized decision-making layer, branch's control layer and mechanical floor carry out pass down the line, reach centralized decision-making layer,
Coordination between branch's control layer and mechanical floor.
Specifically, the centralized decision-making layer includes Yuan Wanghechu coordinated control main website and power distribution automation scheduling station, lead to
Setting source net lotus storage control main website and power distribution automation scheduling station are crossed, realizes that the variables such as active reactive are continuously adjustable, and with
Transformer and capacitor etc. be representative the idle control mode of tradition then can only discretization adjust, be equivalent to and increase in optimization problem
Integer variable is added, has been difficult to solve so as to cause problem is non-convex, therefore by the linearisation of transformer model, pass through specific process
It is continuous model by its model conversation, to simplify optimization problem.
Specifically, the distributed controll layer includes distribution power automation terminal and source net lotus storage coordinated control terminal, by setting
Distribution power automation terminal and source net lotus storage coordinated control terminal are set, distributed power generation, energy storage, controllable burden and Allocation transformer are established
Device model overcomes model difference, power distribution network active not decouple with no work, the problems such as power distribution network operation uncertainty, realizes source
The active distribution network active reactive that net lotus stores up coordination and interaction coordinates and optimizes control.
Specifically, the mechanical floor includes controller switching equipment and distributed energy, and distributed energy includes photovoltaic system, storage
Energy system and charging pile can be directed to specific power consumer, according to inside it by setting controller switching equipment and distributed energy
Production, each link of workflow electricity consumption situation, and meet user all kinds of electrical equipments operation constraint and be scheduled to
This, targetedly assesses the exciter response potentiality of flexible load, the accurate exciter response cost for grasping flexible load, thus sufficiently
The response characteristic for grasping flexible load, establishes the load electric model of fining.
The working principle of the invention and process for using: the Yuan Wanghechu coordinated control main website in the present invention in centralized decision-making layer
It is electrically connected with power distribution automation scheduling station by the way that conducting wire is two-way, distribution power automation terminal and the storage of source net lotus in branch's control layer
Coordinated control terminal passes through the two-way electrical connection of conducting wire, and the controller switching equipment in mechanical floor is electrically connected with distributed energy by the way that conducting wire is two-way
It connects, and distributed energy is electrically connected with photovoltaic system, energy-storage system and charging pile by the way that conducting wire is two-way respectively, when electricity consumption is asked
When topic, respective electricity consumption situation is transmitted at information interactive bus carries out respectively by centralized decision-making layer, distributed controll layer and mechanical floor
Problem signals are conveyed, and are communicated to intellectual power distributing station by information interactive bus, and then solve to the electrical problem of appearance excellent
By intellectual power distributing station reverse transfer to information interactive bus after change, and then makes mechanical floor distributed controll layer and decision-making level is concentrated to carry out
More optimized scheduling keeps its work more stable.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to before
Stating embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (4)
1. based on power system optimal dispatch and strategy process that the storage of source net lotus is coordinated, including the electric power coordinated based on the storage of source net lotus
System, it is characterised in that: the electric system coordinated based on the storage of source net lotus respectively with centralized decision-making layer, branch's control layer and set
Standby layer is electrically connected by conducting wire, and the centralized decision-making layer is electrically connected with distributed controll layer by the way that conducting wire is two-way, branch's control
Layer is electrically connected with mechanical floor by the way that conducting wire is two-way, and the centralized decision-making layer, branch's control layer and mechanical floor are total with information exchange
Line is electrically connected with intellectual power distributing station by the way that conducting wire is two-way by the two-way electrical connection of conducting wire, the information interactive bus.
2. the power system optimal dispatch and strategy process according to claim 1 coordinated based on the storage of source net lotus, feature
Be: the centralized decision-making layer includes Yuan Wanghechu coordinated control main website and power distribution automation scheduling station.
3. the power system optimal dispatch and strategy process according to claim 1 coordinated based on the storage of source net lotus, feature
Be: the distributed controll layer includes distribution power automation terminal and source net lotus storage coordinated control terminal.
4. the power system optimal dispatch and strategy process according to claim 1 coordinated based on the storage of source net lotus, feature
Be: the mechanical floor includes controller switching equipment and distributed energy, and distributed energy includes photovoltaic system, energy-storage system and fills
Electric stake.
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| CN201811259661.0A CN109193950A (en) | 2018-10-26 | 2018-10-26 | The power system optimal dispatch and strategy process coordinated based on the storage of source net lotus |
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| CN201811259661.0A CN109193950A (en) | 2018-10-26 | 2018-10-26 | The power system optimal dispatch and strategy process coordinated based on the storage of source net lotus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109728650A (en) * | 2019-03-14 | 2019-05-07 | 江苏金智科技股份有限公司 | A kind of active distribution network based on the storage coordinated control of source net lotus |
| CN110401186A (en) * | 2019-07-13 | 2019-11-01 | 国网天津市电力公司 | Area power grid source net lotus stores up the ubiquitous Dispatching Control System of Multi-value coordination |
| CN110838719A (en) * | 2019-11-27 | 2020-02-25 | 国网电子商务有限公司 | Source network load and storage cooperation method and system |
| CN111103789A (en) * | 2019-11-20 | 2020-05-05 | 国网河北省电力有限公司电力科学研究院 | Source network load comprehensive energy scheduling analysis method, system and terminal equipment |
| CN112909934A (en) * | 2021-01-29 | 2021-06-04 | 国网浙江义乌市供电有限公司 | Power grid load non-inductive regulation and control method |
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| CN107171361A (en) * | 2017-06-13 | 2017-09-15 | 中国能源建设集团江苏省电力设计院有限公司 | Coordinate the intellectual power distributing station and net source lotus storage coordinated control system of control based on net source lotus storage |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109728650A (en) * | 2019-03-14 | 2019-05-07 | 江苏金智科技股份有限公司 | A kind of active distribution network based on the storage coordinated control of source net lotus |
| CN110401186A (en) * | 2019-07-13 | 2019-11-01 | 国网天津市电力公司 | Area power grid source net lotus stores up the ubiquitous Dispatching Control System of Multi-value coordination |
| CN111103789A (en) * | 2019-11-20 | 2020-05-05 | 国网河北省电力有限公司电力科学研究院 | Source network load comprehensive energy scheduling analysis method, system and terminal equipment |
| CN111103789B (en) * | 2019-11-20 | 2023-04-18 | 国网河北省电力有限公司电力科学研究院 | Source network load comprehensive energy scheduling analysis method, system and terminal equipment |
| CN110838719A (en) * | 2019-11-27 | 2020-02-25 | 国网电子商务有限公司 | Source network load and storage cooperation method and system |
| CN110838719B (en) * | 2019-11-27 | 2021-08-20 | 国网电子商务有限公司 | Source network load and storage cooperation method and system |
| CN112909934A (en) * | 2021-01-29 | 2021-06-04 | 国网浙江义乌市供电有限公司 | Power grid load non-inductive regulation and control method |
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