CN107528385B - A kind of source net lotus control method for coordinating and system based on new energy consumption - Google Patents
A kind of source net lotus control method for coordinating and system based on new energy consumption Download PDFInfo
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- CN107528385B CN107528385B CN201710513692.3A CN201710513692A CN107528385B CN 107528385 B CN107528385 B CN 107528385B CN 201710513692 A CN201710513692 A CN 201710513692A CN 107528385 B CN107528385 B CN 107528385B
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Classifications
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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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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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
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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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- H02J3/383—
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- H02J3/386—
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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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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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
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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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
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
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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
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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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
Abstract
The invention discloses a kind of source net lotus coordinated control systems and method based on new energy consumption, constantly increase the case where occurring with novel controllable burden for new energy scale, by using Multi-value coordination control technology, overall coordination scheduling is carried out to the controllable burden disperseed in region, realize that the characteristic between various energy resources and controllable burden is complementary, to reach the interaction of source/net/lotus.Source/net/lotus coordinated control system proposed by the present invention based on new energy consumption is logically separated into network-wide optimization dispatch layer, area monitoring and cooperates with layer, monitoring and control layer, primary equipment layer on the spot, the system uses network communication, data processing and Coordinated Control, to promote the digestion capability of power grid new energy as target, the integrated operation new model for regional multi-energy sources power generation production, load electricity consumption and operation of power networks provides technical foundation.
Description
Technical field
It is especially a kind of to coordinate control by the source net lotus of target of new energy consumption the present invention relates to dispatching of power netwoks control field
Method and system processed.
Technical background
In conventional electric power system, mains side is mainly made of normal power supplies such as thermoelectricity, water power, and load side is mainly by uncontrollable
Conventional load composition, electric energy is transmitted to load side, power supply and grid side according to load variations rule by mains side by power grid,
It is passively adjusted by Dispatching Control System.As China's new energy development scale increases the appearance with novel controllable burden,
The new energy installed capacity of " three Norths " area is big, distribution is wide, and new energy consumption is particularly problematic, and power grid regulation faces new choose
War, traditional scheduler operation control model can no longer meet the demand of future electrical energy, it would be highly desirable to be promoted, to reduce because of electric system tune
Wind is abandoned caused by section scarce capacity and abandons optical phenomenon, promotes the consumption and utilization of regenerative resource.Mains side in Future Power System,
The situation that grid side is passively adjusted according to the variation of load will be broken, and letter will be formed between power supply, power grid, load three
The mutually acting systems of breath and energy two-way transmission.
The patent of invention that publication No. is CN105375483A disclose it is a kind of be energy Internet service source/net/storage/
Lotus coordinated management system and method, the system include source/net/storage/lotus intelligent management system and source/net/storage/lotus interconnected communication system
System, system are designed as the three-layered node of demand layer, state layer and control layer
Structure realizes the equilibrium of supply and demand, maintains electric energy by the way that the comprehensive coordination control and optimum management of source/net/storage/lotus is arranged
The targets such as quality, demand side management.Source/net/storage/lotus Coordinated Control Scheme that the invention proposes is only applicable to power distribution network, in
Hold the intermittence for being not directed into bulk power grid distributed generation resource and energy storage system capacity accounts for smaller actual conditions, therefore nothing
Method directly applies to the regulation and control of extensive multiple-energy-source power transmission network.
Publication No. is that the patent of invention of CN103578047A discloses a kind of Source-grid-load interactive control method of power system,
Interactive control is carried out to the resource of electric power system source, net, three side of lotus by electricity price, excitation, scheduling mechanism, forms each power equipment
The mutual momentum of power, symbolize source, net, lotus interactive relationship ensure electric system to give full play to the interactive potentiality of resource
Energy balance dissolves uncontrollable resource, especially clean reproducible energy and safety and stability, the Quality and economy of electric system
Operation provides foundation.The complexity of interactive cost calculation is not considered in the invention, and not having under current power market condition can
Row.
It is other about microgrid or the source net load interaction prior art of distribution due to grid structure and power scheduling mechanism etc. because
Element is not directly applicable the regulation and control of extensive multiple-energy-source power transmission network.
There is not yet being uniformly processed for extensive new energy and novel controllable burden in existing dispatching of power netwoks technology
Achievement in research.The intermittence of various new energy and the fluctuation of conventional load influence each other in time, and power supply is empty with load
Between be unevenly distributed, rack constraint it is more, if not taking the surveillance and control measure of concentration, be difficult to that it is changed to make to timely respond to, make
At the waste of renewable resource, to influence the formulation and implementation of decision.
Proportion of the novel controllable burden (such as centralized electric heating, power plant electric heat storage equipment) in power grid is increasingly
Greatly, it is participated in as a kind of system resource in the operational management of power grid, hand will be adjusted as a kind of important operation of power networks
Section.Therefore, it is necessary to which a large amount of controllable burdens are docked with the Dispatching Control System of higher level control centre, expands and coordinate control model
It encloses, realizes that source net lotus coordinates control.
Invention content
The object of the present invention is to provide a kind of source net lotus control method for coordinating and system based on new energy consumption, with reply
The new situation that new energy scale constantly increases in power grid and novel controllable burden occurs, passes through various power generation energy resources and controllable burden
Between characteristic it is complementary, realize that the stable and continuous of extensive multiple-energy-source complexity power transmission network is adjusted.
A kind of source net lotus control method for coordinating and system dissolved based on new energy will be done further in conjunction with attached drawing herein
Description.
A kind of source net lotus control method for coordinating and system based on new energy consumption as shown in Fig. 1, including four levels：
Network-wide optimization dispatch layer, area monitoring and cooperate with layer, on the spot monitoring with control layer, primary equipment layer.
The network-wide optimization dispatch layer is located at higher level's dispatching control center, for realizing the Optimized Operation of the whole network.By right
The real-time running data of the whole network power generation, power grid and load is acquired and handles, and is meeting power network safety operation requirement
On the basis of, the Optimized Operation of different time scales (long-term, mid-term, short-term and ultra-short term) is carried out to power supply, power grid and load, it is real
Existing power capacity and the global balance of workload demand and the maximization of power grid whole economic efficiency and social benefit, it is full
Safe, economic, the good power demand of foot society.
The area monitoring with cooperate with layer realize one's respective area interior power, load, substation's real-time traffic information acquisition with
Monitoring, and receive the operation plan that network-wide optimization dispatch layer issues, realize the optimization of one's respective area control targe.The layer is directed to power supply
With the service applications demand such as load operation monitoring, Collaborative Control, statistical analysis and visual presentation, one is provided for user of service
Unified monitor supervision platform provides analysis application platform for optimization software for calculation；
The area monitoring carries out real-time, interactive with the system of layer is cooperateed with the system of higher level's dispatching control center, uploads
Source, net, lotus, storage information, receive operation plan simultaneously control instruction is issued to station end and load side according to Real-Time Control Strategy；
System includes wind energy/solar energy resources monitoring, wind/luminous power prediction, Power Supply Monitoring, energy storage monitoring, supervisory control of substation, load prison
The function modules such as control, the plan of hair electricity, coordination control strategy.Wherein
Wind energy/solar energy resources function for monitoring is wind by acquiring weather station information and digital weather forecast information
The prediction of the power supplys generated output such as electricity, photovoltaic provides basic data；
Wind/luminous power forecast function is based on weather information, historical data and real time data, using certain prediction algorithm pair
The power of the stations such as wind-powered electricity generation, photovoltaic, photo-thermal different cycles (long-term, mid-term, short-term, ultra-short term) is predicted；
Power Supply Monitoring function is for monitoring, abnormality alarming and the early warning to the stations such as wind-powered electricity generation, photovoltaic real-time running state；
Energy storage monitoring function is used to, to the monitoring of the real-time running state of all kinds of energy-storage systems, can not only carry out peak clipping and fill out
Paddy can be used for adjusting the random power fluctuation for stabilizing intermittent energy in real time.
Monitoring and equipment of the supervisory control of substation function for regenerative resource booster stations real-time running state information adjust control
System；
Load monitoring function is applied not only to carry out the novel controllable burden such as centralized electric heating, electric automobile charging station real
When predict and monitoring, and can be needed to adjust controllable burden in real time according to operation of power networks.
Hair electricity plan function obtains real-time power supply power generation from Power Monitoring Unit and load monitoring module and load is used
Power information and generated power forecasting and load prediction information formulate hair electricity plan with this, will plan to be reported to higher level a few days ago
Dispatching control center will in a few days be planned to be sent to polynary coordination control strategy module.
Coordination control strategy function is used for the control of power grid real time execution power deviation.Due to load random fluctuation and can
The intermittence of the renewable sources of energy, power grid real time execution power is always and planned value is there are deviation, when this deviation is larger and more than certain
When threshold, it is therefore necessary to carry out Collaborative Control to all kinds of adjustable resources, different collaboration controls is applied according to different control targes
System strategy.Area monitoring can be embedded in different manufacturers as application platform with the system of layer is cooperateed with by given data-interface
The coordination control strategy and algorithm of exploitation.
The monitoring on the spot, by being acquired to primary equipment operating status and measurement, is based on network communication with control layer
It realizes to send in information and be issued with control instruction, while carry monitoring function of the plant stand side operations staff to primary equipment.
The primary equipment layer includes mainly the facilities such as generating set, energy storage device, substation equipment and load user, tool
There is the primary equipment of regulatory function that can realize that under controllable state, source, net, lotus, storage are closed by receiving the control instruction of main website
Ring controls.
The beneficial effects of the invention are as follows：Using network communication, data processing and Coordinated Control, to promote the new energy of power grid
The digestion capability in source is target, constructs the integrated operation mould of regional multi-energy sources power generation production, load electricity consumption and operation of power networks
Formula.
Compared with prior art, the present invention uses hierarchical coordinative control technology, is realized by the interaction of source/net/lotus more
Characteristic between the kind energy and controllable burden is complementary, realizes overall coordination scheduling to the controllable burden disperseed in region, not only
It can inhibit power swing caused by fitful power, and the receiving ability of the whole network new energy can be improved, while also be to cut
Peak load provides technological means.
The above is only a preferred embodiment of the present invention, it should be pointed out that for those skilled in the art
For, without departing from the principle of the present invention, several improvements and modifications can also be made, these improvements and modifications should also regard
For protection scope of the present invention.
Description of the drawings
Fig. 1 is the source net lotus coordinated control system schematic diagram dissolved based on new energy.
Fig. 2 is the source net lotus control method for coordinating flow chart dissolved based on new energy.
Specific implementation mode
Source net lotus coordinated control system based on new energy consumption can spatially be divided into network-wide optimization dispatch layer, region
It monitors and cooperates with layer, on the spot monitoring and control layer, primary equipment layer.Each layer executes different tasks respectively, wherein
Network-wide optimization dispatch layer is made of the computer system of higher level's dispatching control center, realizes the Optimized Operation of the whole network.
The real-time running data of the whole network power generation, power grid and load is acquired and is handled by power dispatch data network, is meeting electricity
On the basis of net safe and stable operation requires, to power supply, power grid and load carry out different time scales (long-term, mid-term, it is short-term and
Ultra-short term) Optimized Operation, realize power capacity and workload demand global balance and power grid whole economic efficiency and
The maximization of social benefit meets safe, economic, the good power demand of society.
The major function of network-wide optimization dispatch layer includes：
● it is based on power dispatch data network, realizes the network of the whole network power generation, transmission of electricity and electricity consumption centralized watch and control system
Communication, real-time information collection and operation monitoring；
● the characteristics such as physics, economy, environmental protection are carried out to relevant power supply, substation and controllable burden and are modeled, support is global
Power system monitor, safety analysis and Optimized Operation；
● receive the generation schedule of the different time scales (medium-term and long-term, all, a few days ago, in a few days, in real time) of line related and negative
Lotus demand is based on network-wide security constraints, realizes the scheduling of the whole network global optimization, and it is administrative with control system to assign centralized watch
Regional generation and load electricity consumption plan, and pass through policy making and information and issue guidance field generation schedule and load responding；
● based on the acquisition and statistical analysis to historical operational information, realize that the plan to centralized watch and control system is assisted
Same and executive capability assessment.
Area monitoring is made of with layer is cooperateed with the computer system of regional power grid dispatching control center, realizes electricity in one's respective area
The acquisition and monitoring in source, load, substation's real-time traffic information, the system of this layer are carried out with the system of higher level's dispatching control center
Real-time, interactive, upload source, net, lotus information, receive the operation plan that issues of network-wide optimization dispatch layer, and according to real-time control plan
Control instruction is slightly issued to station end and load side；Realize that the optimization of one's respective area control targe, the layer are transported for power supply and load
The service applications demands such as row monitoring, Collaborative Control, statistical analysis and visual presentation, a unified prison is provided for user of service
Platform is controlled, analysis application platform is provided for optimization software for calculation.This layer of system includes wind energy/solar energy resources monitoring, wind/light
The functions such as power prediction, Power Supply Monitoring, energy storage monitoring, supervisory control of substation, load monitoring, the plan of hair electricity, coordination control strategy
Module.
Area monitoring with cooperate with the major function of layer as follows：
● wind energy/solar energy resources function for monitoring is wind by acquiring weather station information and digital weather forecast information
The prediction of the power supplys generated output such as electricity, photovoltaic provides basic data；
● wind/luminous power forecast function is based on weather information, historical data and real time data, using certain prediction algorithm
The power of the stations such as wind-powered electricity generation, photovoltaic, photo-thermal different cycles (long-term, mid-term, short-term, ultra-short term) is predicted；
● Power Supply Monitoring function is used for monitoring, abnormality alarming and statistics to the stations such as wind-powered electricity generation, photovoltaic real-time running state
Analysis；
● energy storage monitoring function is used to, to the monitoring of the real-time running state of all kinds of energy-storage systems, can not only carry out peak clipping
Fill valley can be used for adjusting in real time, stabilize the small size random power fluctuation of intermittent energy.
● supervisory control of substation function is used for the regenerative resources such as wind-powered electricity generation, photovoltaic booster stations and conventional substation real time execution
The monitoring of status information and equipment adjusting control；
● load monitoring function is applied not only to carry out the novel controllable burden such as centralized electric heating, electric automobile charging station
Prediction in real time and monitoring, and can be needed to adjust controllable burden in real time according to operation of power networks.
● hair electricity plan function obtains real-time power supply power generation and load from Power Monitoring Unit and load monitoring module
Power information and generated power forecasting and load prediction information formulate hair electricity plan with this, will plan to be reported to a few days ago
Grade dispatching control center, will in a few days plan to be sent to polynary coordination control strategy module.
● coordination control strategy function is used for the control of power grid real time execution power deviation.Due to load random fluctuation and
The intermittence of regenerative resource, power grid real time execution power is always and planned value is there are deviation, when this deviation is larger and more than one
When set threshold, it is therefore necessary to carry out Collaborative Control to all kinds of adjustable resources, corresponding Collaborative Control plan is used according to control targe
Slightly.Area monitoring can be embedded in different manufacturers exploitation as application platform with the system of layer is cooperateed with by given data-interface
Coordination control strategy and algorithm.
Generating set, energy-storage system, three kinds of continuously adjustable load is adjustable sets with cooperateing with layer to consider for area monitoring
Standby regulation performance and regulative mode：
● for the equipment (generating set, energy-storage system, continuously adjustable load etc.) that can continuously adjust according to control
Target carries out normal smooth adjustment；
● for the equipment (power plant electric heat storage system, interruptible load etc.) of discontinuous adjusting, considers throwing and move back into
The factors such as sheet, distance controlling target distance carry out discrete adjustment.
● the equipment for that can not automatically adjust can be ordered to carry out manual adjustment by management and running personnel.
● for the equipment that regulation performance is poor, then planned value is issued, is allowed to track planned value operation.
Area monitoring coordinates control based on hair electricity operation plan with net lotus in source in layer is cooperateed with, and it is flat to meet realtime power
The conditions such as weighing apparatus, Network Security Constraints, equipment control restriction, using the consumption of new energy as target in control strategy.
It includes nine steps that source net lotus, which coordinates control logic, and flow chart is as shown in Fig. 2.It is specific as follows：
First, the adjusting priority orders of various controllables are obtained in real time by data-interface, this sequentially can be people
Work setting can also be to be obtained from evaluation management system；
Secondly, power grid regulatory demand is calculated according to power grid real time execution index automatic cycle and obtains control restriction condition；
Third, obtains the state of each control unit in real time, and distinguishes which unit is controllable, which unit is uncontrollable, to each
Control unit carries out statistic of classification；It is to obtain the operation shape of each control unit in real time to distinguish the whether controllable method of each control unit
Whether state (including telemetering and remote signalling) information, system can controllable according to these each units of information automatic decision.
4th, the target of uncontrollable unit is calculated according to the planned value of uncontrollable unit, predicted value or control limit
Value；
5th, after the regulated quantity for excluding uncontrollable unit in the whole network regulatory demand, obtain the desired value of controllable；
6th, when reaching this adjusting finish time, regulation performance of the calculating controllable in upper a cycle；
7th, the regulation performance of comprehensive each controllable adjusts priority and the whole network regulation and control demand, and regulated quantity is distributed to
Each adjustable elements；
8th, various aspects verification is carried out to the regulating command that will be issued, including adjust dead zone, adjust step-length, adjust model
The verification enclosed etc.；
9th, send instructions under verifying and if executes；Otherwise regulated quantity is allocated in each unit again, directly
Instruction check to all controllables passes through.
Monitoring and the function of control layer are realized by the system of station side and load side respectively on the spot, by running shape to equipment
The measurement of state acquires and sends out alarm to the abnormal operating condition of equipment, this layer is by computer network communication to the region on upper layer
It delivers letters in monitoring and control layer and breath and receives control instruction, this layer carry plant stand side operations staff to primary equipment simultaneously
Monitoring function.
Primary equipment layer includes mainly the facilities such as generating set, energy storage device, substation equipment and load user, is connect in real time
It receives the control instruction that monitoring is sent with control layer on the spot and is immediately performed.Primary equipment with regulatory function is under controllable state
Can by receive main website control instruction realize source, net, lotus, storage closed-loop control.
The present invention through the above scheme between each layer information exchange, realize source, net, lotus, storage all kinds of adjustable resources
Coordinate control, contribute to the comprehensive adjustment efficiency for giving full play to power grid, to provide skill for the efficient consumption of realization new energy
Art means.
Claims (1)
1. a kind of source net lotus coordinated control system based on new energy consumption, which is characterized in that the system is divided into network-wide optimization tune
It spends layer, area monitoring and cooperates with layer, on the spot monitoring and four control layer, primary equipment layer level；The area monitoring with cooperate with
Layer carries out real-time, interactive with higher level's dispatching control center, upload source, net, lotus, storage information, receive operation plan and according to real-time
Control strategy issues control instruction to station end and load side；The network-wide optimization dispatch layer by higher level's dispatching control center meter
Calculation machine system is constituted, and realizes the Optimized Operation of the whole network, by power dispatch data network to the real-time of the whole network power generation, power grid and load
Operation data carry out in real time acquire and handle, on the basis of meeting power network safety operation, to power supply, power grid and load into
The Optimized Operation of row different time scales and control realize that power capacity and the global of workload demand balance；It is described on the spot
Monitoring, by being acquired to the measurement of equipment running status and sending out alarm to the abnormal operating condition of equipment, is supervised on the spot with control layer
Depending on control function by this layer monitoring system realize, and based on area monitoring from computer network communication to upper layer with cooperate with layer
On deliver letters and breath and receive control instruction；The primary equipment layer mainly include generating set, energy storage device, substation equipment and
Load user, real-time reception monitor the control instruction sent with control layer and are immediately performed on the spot；The area monitoring with cooperate with
Layer includes wind energy/solar energy resources monitoring, wind/luminous power prediction, Power Supply Monitoring, energy storage monitoring, supervisory control of substation, load prison
Eight control, the plan of hair electricity, coordination control strategy function modules, area monitoring with cooperate with the control strategy implementation process of layer such as
Under：
First, by data-interface, the adjusting priority orders of various controllables are obtained in real time, this sequentially can manually set
It can also be obtained from other systems；Secondly, power grid regulatory demand is calculated according to power grid real time execution index automatic cycle and obtained
Control restriction condition；Third, obtains the state of each control unit in real time, and whether distinguish each unit controllable, to each control unit
Carry out statistic of classification；It is to obtain the running state information of each control unit in real time to distinguish the whether controllable method of each control unit,
It is whether controllable according to the above-mentioned each unit of running state information automatic decision；4th, according to the planned value of uncontrollable unit, prediction
Value or control limit calculate the target value of uncontrollable unit；5th, uncontrollable unit is excluded from the whole network regulatory demand
After regulated quantity, the desired value of controllable is obtained；6th, when reaching this adjusting finish time, controllable is calculated upper
The regulation performance of a cycle；7th, the regulation performance of comprehensive each controllable adjusts priority and the whole network regulation and control demand, will
Regulated quantity distributes to each controllable；8th, dead zone is adjusted to the regulating command that will be issued, adjusts step-length, adjusting model
The verification enclosed；9th, send instructions under verifying and if executes；Otherwise regulated quantity is allocated in each unit again,
Until the instruction check of all controllables passes through.
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