CN105162170B - For how wind farm grid-connected dispatching patcher - Google Patents
For how wind farm grid-connected dispatching patcher Download PDFInfo
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- CN105162170B CN105162170B CN201510431843.1A CN201510431843A CN105162170B CN 105162170 B CN105162170 B CN 105162170B CN 201510431843 A CN201510431843 A CN 201510431843A CN 105162170 B CN105162170 B CN 105162170B
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- 238000012544 monitoring process Methods 0.000 claims abstract description 64
- 238000004891 communication Methods 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 41
- 230000008569 process Effects 0.000 claims description 24
- 239000013307 optical fiber Substances 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 11
- 230000009466 transformation Effects 0.000 claims description 8
- 230000005684 electric field Effects 0.000 claims description 5
- 230000011664 signaling Effects 0.000 claims description 4
- 230000000875 corresponding effect Effects 0.000 description 11
- 230000008859 change Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 230000010365 information processing Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 2
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- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000018199 S phase Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- 239000012925 reference material Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/04—Automatic control; Regulation
- F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
- F03D7/048—Automatic control; Regulation by means of an electrical or electronic controller controlling wind farms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/04—Automatic control; Regulation
- F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
- F03D7/047—Automatic control; Regulation by means of an electrical or electronic controller characterised by the controller architecture, e.g. multiple processors or data communications
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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
- H02J13/00006—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 characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00016—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 characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
- H02J13/00017—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 characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus using optical fiber
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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
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
-
- 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
- H02J3/381—Dispersed generators
-
- 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
- H02J3/466—Scheduling the operation of the generators, e.g. connecting or disconnecting generators to meet a given demand
- H02J3/472—For selectively connecting the AC sources in a particular order, e.g. sequential, alternating or subsets of sources
-
- 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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/28—The renewable source being wind 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
-
- 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
- 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
- Y04S10/12—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
-
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
Abstract
The present invention proposes a kind of for how wind farm grid-connected dispatching patcher, including: at least one control centre, several described transformer stations；Several described wind farm monitoring systems；The information acquisition terminal equipment of several wind energy turbine set；Wherein, each described wind farm monitoring system communicates with several described information acquisition terminal equipment of same wind energy turbine set；Each described transformer station communicates with wind farm monitoring system several described, and each described wind farm monitoring system and a described transformer station communicate；Each described control centre communicates with transformer station several described, and each described transformer station communicates with a described control centre.
Description
Technical field
The present invention relates to a kind of for how wind farm grid-connected dispatching patcher.
Background technology
In recent years, the U.S., Europe, the various countries such as Japanese and Chinese competitively strengthen the utilization to regenerative resource,
Especially wind energy resources, this causes the quantity sharp increase of wind energy turbine set, makes the meritorious of wind energy turbine set exert oneself at electric power
The power supply of system occupies increasingly heavier ratio.The fluctuation of active power for wind power to the operation of dispatching of power netwoks with
Decision-making is significant, and the most comprehensively, real-time wind energy turbine set information is to ensure that with reliable communication port
Dispatching of power netwoks instruction important foundation and premise reliably, safely and accurately.But at present grid dispatching center is only
The quantity of state information such as electric parameters and on off state such as meritorious, idle, the voltage and current that can obtain wind energy turbine set,
The variation of actual wind-electricity integration active power, except being affected by wind speed, is also equal to fault with overhaul of the equipments
Reason is correlated with, and therefore, simple wind-electricity integration active power fluctuation is not provided that the prediction needed for control centre
Information and fluctuations in wind speed rule, needing comprehensive, detailed, real-time wind energy turbine set information is in dispatching of power netwoks
The operation of the heart provides reliable foundation with decision-making.
It is directly transferred to control centre, owing to each wind energy turbine set is by multiple stage wind turbine after current blower fan information gathering
Composition, so along with the quantity of integrated wind plant gradually increases, can cause the Wind turbines that control centre receives
Information data is the hugest, and the Wind turbines information transmitted can not meet control centre and gain merit and nothing
The demand of merit control decision.
Wind energy turbine set information is interacted by optical-fiber communication channel with schedule information at present.Number due to wind energy turbine set
Measuring increasing and have dispersibility feature in geographical distribution, therefore, all wind energy turbine set are all laid optical fiber and are arrived
The communication port construction scheme of control centre has that difficulty is big, investment is high and the shortcoming such as autgmentability difference, meanwhile,
Wind farm data is directly uploaded to the scheme of control centre and communication port can be caused to need the information transmitting magnanimity to arrive
Control centre, will be unable to meet the big data quantity transmission demand that distributed wind power integration system produces.Patent literary composition
The number of offering is the Chinese patent " central synthetic monitoring system of wind power station group " of CN101498927A, discloses one
Based on the wind farm group CSRC constructed by GIS and data acquisition and supervisor control
System, is to realize every control function by each main functional modules being integrated on CSRC platform.Specially
Profit document number is the Chinese patent " a kind of wind power dispatching decision support device " of CN201369575Y, discloses
A kind of wind power dispatching decision support device, is the related data utilizing network Real-time Collection wind energy turbine set, and is stored in
EMS data server, wind-powered electricity generation Monitoring Data server, meteorological data server, scheduling decision server,
And then calculate the peak of electrical network, the running status of Wind turbines determining each wind energy turbine set with this and online
Power.Although patent documents above can ensure that the information integrity of all windfarm system transmitted, but
All do not consider that substantial amounts of data transmission can cause logical when the most wind farm grid-connected and control centre communicate
During letter, data transmission efficiency is relatively low, it addition, it is excessive to also result in control centre's information processing capacity, improves
The operand of control centre and computational complexity.
It addition, traditional approach uses optical fiber technology to set up the communication port of wind energy turbine set and control centre, for often
Individual wind energy turbine set is required to set up an optical-fiber communication channel with control centre, so that the construction of communication port
Relatively costly.
Summary of the invention
The technical problem to be solved in the present invention is, prior art is in order to ensure to transmit all windfarm system
Information integrity, and wind farm side is excessive with control centre's volume of transmitted data, causes data transmission efficiency relatively
Low, and make the operand of control centre relatively big and computational complexity is higher, system Construction is relatively costly, from
And while proposing a kind of information integrity ensureing to transmit all windfarm system, it is possible to reduce grid-connected after
Wind energy turbine set and control centre's volume of transmitted data, reduce the operand of control centre and reduce control centre's computing again
Miscellaneous degree, what construction cost was relatively low is used for how wind farm grid-connected dispatching method and system.
To achieve these goals, the present invention is used for how wind farm grid-connected information collecting method, including:
Step 1: come by the transmission of several information acquisition terminal equipment by wind farm monitoring system reception
Wind turbines information, and send to transformer station after being integrated into wind energy turbine set information；
Step 2: by described transformer station, the described wind energy turbine set information received collected and processes, obtaining
Substation data information, and described substation data information is sent to control centre.
Above-mentioned information collecting method, described wind energy turbine set information includes: active power of wind power field information, wind-powered electricity generation
Limit information under field active power upper-limit information and active power of wind power field, wind energy turbine set prediction active power information,
With Reactive Compensation in Wind Farm capacity information；Described substation data information includes: transformer station's active power information,
Limit information, transformer station's prediction active power letter under transformer station's active power upper-limit information, transformer station's active power
Breath and reactive compensation capacity of substation information；
Wherein, described transformer station active power is each described wind energy turbine set of the wind energy turbine set being associated with this transformer station
Active power sum；The described transformer station active power upper limit is described in the wind energy turbine set being associated with this transformer station
Active power of wind power field upper limit sum；Described transformer station active power lower limit is the wind being associated with this transformer station
The active power of wind power field lower limit sum of electric field；Described transformer station prediction active power is relevant to this transformer station
The described wind energy turbine set prediction active power sum of the wind energy turbine set of connection；Described reactive compensation capacity of substation is and this
The described Reactive Compensation in Wind Farm capacity sum of the wind energy turbine set that transformer station is associated.
The present invention also been proposed a kind of for how wind farm grid-connected dispatching method, wherein, and including:
Step 1: come by the transmission of several information acquisition terminal equipment by wind farm monitoring system reception
Wind turbines information, and send to transformer station after being integrated into wind energy turbine set information；
Step 2: by described transformer station, the described wind energy turbine set information received collected and processes, obtaining
Substation data information, and described substation data information is sent to control centre；
Step 3: send the first scheduling according to the described substation data information received by described control centre
Instruction is to transformer station；
Step 4: described first dispatch command received is processed by described transformer station, and send
Two dispatch commands are to corresponding described wind farm monitoring system, thus control to be controlled the operation of wind energy turbine set.
Above-mentioned dispatching method, described wind energy turbine set information includes: active power of wind power field information, wind energy turbine set has
Limit information under merit power upper limit information and active power of wind power field, wind energy turbine set prediction active power information, and wind
Electric field reactive compensation capacity information；Described substation data information includes: transformer station's active power information, change
Limit information under power station active power upper-limit information, transformer station's active power, transformer station's prediction active power information,
With reactive compensation capacity of substation information；Wherein, described transformer station active power is for be associated with this transformer station
The each described active power of wind power field sum of wind energy turbine set；The described transformer station active power upper limit is and this power transformation
The described active power of wind power field upper limit sum of the wind energy turbine set that station is associated；Described transformer station active power lower limit
The active power of wind power field lower limit sum of the wind energy turbine set for being associated with this transformer station；The prediction of described transformer station has
Merit power is the described wind energy turbine set prediction active power sum of the wind energy turbine set being associated with this transformer station；Described change
Power station reactive compensation capacity be the wind energy turbine set being associated with this transformer station described Reactive Compensation in Wind Farm capacity it
With；Described control centre, according to the whole network active power regulation total amount, generates the first dispatch command, thus to each change
The active power in power station is allocated；The transformer station that described transformer station is distributed based on described control centre has
Merit power, generates described second dispatch command, thus enters the active power of each wind energy turbine set associated with it
Row distribution.
The invention allows for a kind of for how wind farm grid-connected dispatching patcher, wherein, including at least one
Control centre, several transformer stations；Several wind farm monitoring systems；The information gathering of several wind energy turbine set
Terminal unit；
Wherein, each described wind farm monitoring system and several described information acquisition terminals of same wind energy turbine set
Equipment communicates；Each described transformer station communicates with wind farm monitoring system several described, and every
Individual described wind farm monitoring system and a described transformer station communicate；Each described control centre is with some
Individual described transformer station communicates, and each described transformer station communicates with a described control centre；
Wherein, described wind farm monitoring system receives and is sent, by several information acquisition terminal equipment, the wind-powered electricity generation of coming
Unit information, and it is integrated into transmission extremely described transformer station after wind energy turbine set information；Described transformer station is to described wind-powered electricity generation
Information carries out collecting and process obtains substation data information, and described substation data information is sent extremely
Described control centre；Described control centre sends the first scheduling according to the described substation data information received
Instruction is to transformer station, and described first dispatch command is processed by described transformer station, and sends the second scheduling and refer to
Order is to corresponding described wind farm monitoring system, thus the operation to wind energy turbine set is controlled.
Above-mentioned dispatching patcher, wherein, described wind energy turbine set information includes: active power of wind power field information, wind
Limit information under electric field active power upper-limit information and active power of wind power field, wind energy turbine set prediction active power information,
With Reactive Compensation in Wind Farm capacity information；Described substation data information includes: transformer station's active power information,
Limit information, transformer station's prediction active power letter under transformer station's active power upper-limit information, transformer station's active power
Breath and reactive compensation capacity of substation information；Wherein, described transformer station active power is and this transformer station's phase
The each described active power of wind power field sum of the wind energy turbine set of association；The described transformer station active power upper limit is and this
The described active power of wind power field upper limit sum of the wind energy turbine set that transformer station is associated；Described transformer station active power
Lower limit is the active power of wind power field lower limit sum of the wind energy turbine set being associated with this transformer station；Described transformer station is pre-
Survey the described wind energy turbine set prediction active power sum that active power is the wind energy turbine set being associated with this transformer station；Institute
State the described Reactive Compensation in Wind Farm that reactive compensation capacity of substation is the wind energy turbine set being associated with this transformer station to hold
Amount sum；Described control centre, according to the whole network active power regulation total amount, generates the first dispatch command, to each change
The active power in power station is allocated；The transformer station that described transformer station is distributed based on described control centre has
Merit power, is allocated the active power of each wind energy turbine set associated with it.
Above-mentioned dispatching patcher, wherein, described transformer station by 3G communication port with the monitoring of described wind energy turbine set is
System communicates.
Above-mentioned dispatching patcher, described control centre is communicated with described transformer station by optical fiber.
Above-mentioned dispatching patcher, described wind farm monitoring system is by intercommunication passage and described information gathering
Terminal unit communicates, and collects various data messages by remote signalling, telemetry command, and is stored up by data message
Exist in system server so that inquiring about and using.
Above-mentioned dispatching patcher, also includes: substation server, is used for storing the process of described transformer station and obtains
Described substation data information；And control centre's server, it is used for storing described control centre and receives
Described substation data information.
Above-mentioned dispatching patcher, wherein, described information acquisition terminal equipment includes: meteorological information acquisition terminal,
For gathering weather information；Electric parameters acquisition terminal, for gathering the electric quantity information of wind energy turbine set electric power networks；
Switch acquisition terminal, is used for gathering switching value information；Status information of equipment acquisition terminal, sets for collection
Standby status information；Warning message acquisition terminal, is used for gathering warning message；Image information collecting terminal, uses
In gathering image information；With master control system parameter monitoring terminal, it is used for gathering master control system parameter.
The information collecting method of the present invention, dispatching method and system have techniques below effect relative to prior art
Really:
1. for traditional information collecting method, after a large amount of wind energy turbine set use distributed form to access electrical network,
Control centre's needs process more information and more decision variable so that the algorithm of main website of control centre
Constantly increase with computing pressure.The described information collecting method of the present invention, wherein, by wind energy turbine set monitoring be
System receives and is sent, by several information acquisition terminal equipment, the wind energy turbine set information of coming, and by described wind energy turbine set information
Send to transformer station；By described transformer station, the described wind energy turbine set information received is collected and processes,
Obtain substation data information, and described substation data information is sent to control centre；Above step increases
Add, by transformer station, a large amount of wind energy turbine set information carried out pretreatment, obtained the data message about transformer station,
The most again this data message is sent to control centre, it is ensured that transmit the information completely of all windfarm system
While property, on the one hand can reduce the information reception amount of control centre thus reduce reduction volume of transmitted data and carry
High data transmission efficiency, on the other hand significantly reduces again operand and the computational complexity of control centre.
2. the dispatching method of the present invention and system, wherein, by described transformer station to receiving described first
Dispatch command processes, and sends the second dispatch command to corresponding described wind farm monitoring system, thus
Control the operation of wind energy turbine set is controlled.The power transformation of its subordinate of pointer is only sent in this design control centre
Station instructs, and needs to issue for a large amount of wind farm monitoring systems relative to control centre in prior art
For dispatch command, the information processing pressure of control centre has obtained greatly alleviating.
Wind farm monitoring system and transformer station are in wind farm side the most under normal circumstances, and distance control centre is relatively
Far, when using a control centre that substantial amounts of wind farm monitoring system and transformer station are managed and are dispatched,
The mode using optical fiber between transformer station and control centre communicates, and can be greatly improved communication efficiency, improves
Information gathering and the real-time of scheduling.
It addition, traditional mode uses optical fiber technology to set up the communication port of wind energy turbine set and control centre, for
Each wind energy turbine set is required to set up an optical-fiber communication channel with control centre, and the construction of communication port will
Cause the wasting of resources.The present invention, only with an optical-fiber communication channel, can greatly save communications cost.
Wind farm monitoring system and transformer station are in wind farm side the most under normal circumstances, and both are not far from one another,
Thus, realizing data between the two by 3G communication port transmits, permissible for using fiber optic communication
It is greatly reduced communications cost.
Below in conjunction with Figure of description, technical scheme is yet further illustrated, make the skill of this area
Art personnel are more fully understood that the present invention.
Fig. 1 is how wind farm grid-connected scheduling system framework structure chart；
Fig. 2 is wind energy turbine set scheduling system framework structure chart.
Wherein, 1 is wind farm monitoring system, and 2 is 3G communication port, and 3 is transformer station, and 4 is fiber optic communication
Passage, 5 is control centre, and 6 is wind energy turbine set intercommunication passage, and 7 is meteorological information acquisition terminal, and 8 are
Electric parameters acquisition terminal, 9 is switch acquisition terminal, and 10 is status information of equipment acquisition terminal, and 11 is report
Alarming information acquisition terminal, 12 is image information collecting terminal, and 13 is master control system parameter monitoring terminal.
Detailed description of the invention
Embodiment 1
As shown in Figure 1 for multiple wind farm grid-connected dispatching patchers include control centre 5, transformer station 3,
Wind farm monitoring system 1 and the various information acquisition terminal equipment of wind energy turbine set.
Described control centre 5 is in communication with each other with multiple transformer stations 3 by optical-fiber communication channel 4.Single power transformation
Stand and 3 be in communication with each other with multiple wind farm monitoring systems 1 by 3G communication port 2.For some wind energy turbine set
For monitoring system 1, it only belongs to a unique transformer station 3.
Described control centre 5 is communicated with transformer station 3 by optical-fiber communication channel 4, is used for receiving power transformation
That station is uploaded, process after multiple wind energy turbine set information, and under send traffic order to transformer station 3.
Described transformer station 3 is led to by multiple wind farm monitoring systems 1 of 3G communication port 2 with this region
Letter, sends, for receiving wind energy turbine set, the data message of coming, a large amount of wind farm data information is collected and located
Reason, and by the communication mode of preferably optical-fiber communication channel 3 will process after data message send to scheduling
Center 5；Described transformer station 3 receives the dispatch command of control centre 5, and dispatch command is handed down to each wind-powered electricity generation
Farm monitoring system 1.
Described wind farm monitoring system 1 is by the communication mode of preferably 3G communication port 2 and corresponding power transformation
Stand 3 intercommunication, for sending the data message of wind energy turbine set to transformer station 3, and receive and send from transformer station 3
Dispatch command, and according to dispatch command adjust wind energy turbine set the method for operation；Described wind farm monitoring system 1
Communicated with various information acquisition terminal equipment by wind energy turbine set intercommunication passage 6, ordered by remote signalling, remote measurement
Make the various data messages of gather information acquisition terminal equipment.
As in figure 2 it is shown, the various information acquisition terminal equipment of described wind energy turbine set mainly include meteorological information acquisition
Terminal 7, electric parameters acquisition terminal 8, switch acquisition terminal 9, status information of equipment acquisition terminal 10, report
Alarming information acquisition terminal 11, image information collecting terminal 12 and master control system parameter monitoring terminal 13；Described
Data message is sent extremely by the various information acquisition terminal equipment of wind energy turbine set by wind energy turbine set intercommunication passage 6
Wind farm monitoring system 1.
The data message that multiple wind farm monitoring systems 1 of the same area are collected passes through 3G communication port
2 transformer stations 3 being uploaded to this area also preliminarily process and analyze.Data message after process passes through light
Fiber communication passage 4 is uploaded to control centre 5.
The dispatch command that control centre 5 issues first passes through optical-fiber communication channel 4 and sends to transformer station 3.Power transformation
Stand and 3 dispatch command is processed, and be distributed to corresponding wind farm monitoring system by 3G communication port 2
1, complete corresponding scheduling operation.
The work process of the present embodiment is as described below:
Below as a example by the meteorological data information of uploading multiple wind energy turbine set to the process of control centre, to the present invention
It is described further.First, the meteorological data information collected is passed through wind-powered electricity generation by meteorological information acquisition terminal 7
Field intercommunication passage 6 is uploaded to wind farm monitoring system 1；Wind farm monitoring system 1 is by meteorological data information
It is stored in its system server.Then, the monitoring system of the multiple wind energy turbine set in areal is communicated by preferably 3G
Meteorological data information is uploaded to the transformer station 3 of this wind farm group location by the communication mode of passage；Transformer station
The meteorological data information transmitted in 3 pairs of all wind energy turbine set collects and processes, and will process after data message
It is stored in its system server.Finally, the meteorological data information after transformer station 3 will process is by preferably optical fiber
The communication mode of communication port 4 is uploaded to control centre 5；Meteorological data information is analyzed by control centre 5,
There is provided reference material for scheduling with running, and the meteorological data information of reception is stored in its system server, extremely
This completes uploading of multiple wind farm meteorological data message.
Issue the process of dispatch command below by control centre as a example by, the present invention will be further described.First,
The various data messages that the staff of control centre provides according to control centre 5 send dispatch command, adjust
The method of operation of a certain wind energy turbine set；Dispatch command is issued to by the communication mode of preferably optical-fiber communication channel
Corresponding transformer station 3.Then, transformer station processes according to object and the priority of dispatch command, by excellent
The communication mode electing 3G communication port 2 as is sent to corresponding wind farm monitoring system.Finally, wind energy turbine set phase
Equipment response scheduling under the control action of monitoring system in pass instructs and changes the method for operation, so far scheduling operation
Complete.
Described information acquisition terminal equipment preferably comprises: meteorological information acquisition terminal, is used for gathering meteorological letter
Breath；Electric parameters acquisition terminal, for gathering the electric quantity information of wind energy turbine set electric power networks；Switch acquisition is eventually
End, is used for gathering switching value information；Status information of equipment acquisition terminal, for collecting device status information；
Warning message acquisition terminal, is used for gathering warning message；Image information collecting terminal, is used for gathering figure
As information；With master control system parameter monitoring terminal, it is used for gathering master control system parameter.
Above-mentioned weather information can include wind speed, wind direction, temperature, humidity, rainfall and air pressure, except above-mentioned
Weather information can also be uploaded and include the electric quantity information of wind energy turbine set electric power networks, switching value information, equipment shape
One or more of state information, warning message, image information and master control system parameter information.
Dispatching method and the system of the present embodiment add by transformer station a large amount of wind-powered electricity generations relative to prior art
Field information carries out pretreatment, obtains the data message about transformer station, is sent to by this data message
Control centre, on the one hand can reduce the information reception amount of control centre thus reduce reduction volume of transmitted data and carry
High data transmission efficiency, on the other hand significantly reduces again operand and the computational complexity of control centre.
Embodiment 2
As shown in Figure 1 for how wind farm grid-connected dispatching patcher, including a control centre 5, several
Described transformer station 3；Several described wind farm monitoring systems 1；The information acquisition terminal of several wind energy turbine set sets
Standby；Wherein, each described wind farm monitoring system 1 is whole with several described information gatherings of same wind energy turbine set
End equipment communicates；Each described transformer station 3 communicates with wind farm monitoring system several described 1,
And each described wind farm monitoring system 1 communicates with a described transformer station 3；Described control centre 5
Communicate with transformer station several described 3.
Described wind farm monitoring system 1 receives and is sent, by information acquisition terminal equipment several described, the wind-powered electricity generation of coming
Unit information, and send to transformer station 3 after being integrated into wind energy turbine set information；Described wind energy turbine set information preferably comprises:
Active power of wind power field information, limit information under active power of wind power field upper-limit information and active power of wind power field,
Wind energy turbine set prediction active power information, and Reactive Compensation in Wind Farm capacity information；
Described wind energy turbine set information is collected by described transformer station 3 and process obtains corresponding substation data letter
Breath, wherein, described substation data information includes: transformer station's active power information, transformer station's active power
Limit information under upper-limit information, transformer station's active power, transformer station's prediction active power information and transformer station without
Merit compensation capacity information；Described transformer station active power is each described of the wind energy turbine set that is associated with this transformer station
Active power of wind power field sum；The described transformer station active power upper limit is the wind energy turbine set being associated with this transformer station
Described active power of wind power field upper limit sum；Described transformer station active power lower limit is relevant to this transformer station
The active power of wind power field lower limit sum of the wind energy turbine set of connection；Described transformer station prediction active power is and this power transformation
The described wind energy turbine set prediction active power sum of the wind energy turbine set that station is associated；Described reactive compensation capacity of substation
The described Reactive Compensation in Wind Farm capacity sum of the wind energy turbine set for being associated with this transformer station.
That is: active power of wind power field: pfarm=∑ pi, wherein, pfarmFor active power of wind power field, pi
Being i-th unit active power, i is wind energy turbine set unit number of units.
The active power of wind power field upper limit and active power of wind power field lower limit are respectively as follows: pfarm,maxAnd pfarm,min；
Wind energy turbine set prediction active power is: pfarm,for；
Reactive Compensation in Wind Farm capacity is: qfarm。
Transformer station's active power is: psub=∑ pfarm,j, wherein pfarm,jFor jth wind energy turbine set wattful power
Rate.
Transformer station's active power upper limit and transformer station's active power lower limit are respectively as follows:
psub,max=∑ pfarm,max,jAnd psub,max=∑ pfarm,min,j；
Transformer station's prediction active power is: psub,for=∑ pfarm,for,j；
Reactive compensation capacity of substation is: qsub=∑ qfarm,j。
And described substation data information is sent to described control centre 5；Described control centre 5 is according to reception
To described substation data information send the first dispatch command to transformer station 3, described transformer station 3 is to described
One dispatch command processes, and sends the second dispatch command to corresponding described wind farm monitoring system 1, from
And control the operation of wind energy turbine set is controlled, i.e. carry out meritorious and idle control by control centre 5.
Wherein, control centre, according to the whole network active power regulation total amount, generates described first dispatch command, from
And the active power of each transformer station is allocated.Active power allocation algorithm is the most as described below:
Δpsub,j=Δ P/ ∑ psub,j
Wherein, Δ P is the whole network active power regulation amount, Δ psub,iFor transformer station j active power value.
The active power of the transformer station that transformer station is distributed based on control centre, generates described second dispatch command,
The active power of each wind energy turbine set associated there is allocated.Active power allocation algorithm is specially such as
Lower described:
Δpfarm,i=Δ psub/∑pfarm,i
Wherein, Δ psubFor transformer station's active power regulation amount, pfarm,iFor the actual active power of i-th wind energy turbine set
Value.
In the present embodiment, needed for control centre 5 only can obtain the traffic control of each transformer station of subordinate 3 self
Information, does not receive the letter relevant to wind energy turbine set scheduling coming from wind farm monitoring system of subordinate of transformer station 3
Breath, does not the most receive the Wind turbines information of wind energy turbine set subordinate.
Described distributed tune acquisition system both ensure that the information integrity of all windfarm system, takes into account simultaneously
The information processing complexity issue of control centre.According to traditional centralized dispatching pattern, in a large amount of wind energy turbine set
After using distributed form to access electrical network, control centre's needs process more information and more decision-making
Variable so that the algorithm of main website of control centre constantly increases with computing pressure.Described scheduling acquisition system utilizes
Described transformer station carries out pretreatment to substantial amounts of wind energy turbine set information, then provides the information after pretreated to adjusting
Degree central master station, significantly reduces operand and the computational complexity of main website of control centre.
As transformer station described in disposable a kind of embodiment preferably by 3G communication port 2 and described wind
Electric field monitoring system 1 communicates；Described control centre 5 is preferably by optical-fiber communication channel 4 and described change
Power station 3 communicates.Described wind farm monitoring system 1 is by intercommunication passage with described information gathering eventually
End equipment communicates, and collects various data messages by remote signalling, telemetry command, and is stored by data message
So that inquiring about and using in system server.
As another kind of variable embodiment, native system can also include substation server, is used for storing institute
State transformer station and process the described substation data information obtained；And control centre's server, it is used for storing institute
State the described substation data information that control centre receives.
As in figure 2 it is shown, described information acquisition terminal equipment preferably comprises: meteorological information acquisition terminal 7,
For gathering weather information；Electric parameters acquisition terminal 8, for gathering the electric quantity information of wind energy turbine set electric power networks；
Switch acquisition terminal 9, is used for gathering switching value information；Status information of equipment acquisition terminal 10, is used for adopting
Collection status information of equipment；Warning message acquisition terminal 11, is used for gathering warning message；Image information collecting is eventually
End 12, is used for gathering image information；With master control system parameter monitoring terminal 13, it is used for gathering master control system ginseng
Number.
In above-described embodiment, between control centre and wind farm monitoring system, it is alternately provided with only one-level transformer station, and
The present invention can also according to the quantity of wind farm monitoring system, meritorious and reactive power upper and lower bound and
Meritorious and the reactive power upper and lower bound of transformer station determines the quantity of transformer station, becomes however as same one-level
The increase of power station quantity, its data volume directly communicated with control centre will increase therewith, in order to improve
Efficiency of transmission, and reduce control centre information processing capacity, the present invention can also expand in control centre and
The framework of multistage transformer station is set between wind farm monitoring system, and based on the above-mentioned information collecting method of the present invention,
With under dispatching method principle of identity premise, carry out corresponding information collecting work and traffic control.
Although the detailed description of the invention of the present invention is described by the above-mentioned accompanying drawing that combines, but not to the present invention
The restriction of protection domain, one of ordinary skill in the art should be understood that on the basis of technical solution of the present invention,
Those skilled in the art need not to pay various amendments or deformation that creative work can make still in the present invention
Protection domain within.
Claims (1)
1. one kind is used for how wind farm grid-connected dispatching patcher, it is characterised in that: include
At least one control centre,
Several transformer stations；
Several wind farm monitoring systems；
The information acquisition terminal equipment of several wind energy turbine set；
Wherein, each described wind farm monitoring system and several described information acquisition terminals of same wind energy turbine set
Equipment communicates；
Each described transformer station communicates with wind farm monitoring system several described, and each described wind-powered electricity generation
Farm monitoring system and a described transformer station communicate；
Each described control centre communicates with transformer station several described, and each described transformer station and
Individual described control centre communicates；
Wherein, described wind farm monitoring system receives and is sent, by several information acquisition terminal equipment, the wind-powered electricity generation of coming
Unit information, and it is integrated into transmission extremely described transformer station after wind energy turbine set information；Described transformer station is to described wind-powered electricity generation
Information carries out collecting and process obtains substation data information, and described substation data information is sent extremely
Described control centre；Described control centre sends the first scheduling according to the described substation data information received
Instruction is to transformer station, and described first dispatch command is processed by described transformer station, and sends the second scheduling and refer to
Order is to corresponding described wind farm monitoring system, thus the operation to wind energy turbine set is controlled；
Wherein, described wind energy turbine set information includes: active power of wind power field information, the active power of wind power field upper limit
Limit information under information and active power of wind power field, wind energy turbine set prediction active power information, and the idle benefit of wind energy turbine set
Repay capacity information；
Described substation data information includes: transformer station's active power information, transformer station's active power upper limit letter
Limit information, transformer station's prediction active power information and Substation Reactive-power Compensation under breath, transformer station's active power
Capacity information；
Wherein, described transformer station active power is each described wind energy turbine set of the wind energy turbine set being associated with this transformer station
Active power sum；The described transformer station active power upper limit is described in the wind energy turbine set being associated with this transformer station
Active power of wind power field upper limit sum；Described transformer station active power lower limit is the wind being associated with this transformer station
The active power of wind power field lower limit sum of electric field；Described transformer station prediction active power is relevant to this transformer station
The described wind energy turbine set prediction active power sum of the wind energy turbine set of connection；Described reactive compensation capacity of substation is and this
The described Reactive Compensation in Wind Farm capacity sum of the wind energy turbine set that transformer station is associated；
Described control centre, according to the whole network active power regulation total amount, generates the first dispatch command, to each power transformation
The active power stood is allocated；
The active power of the transformer station that described transformer station is distributed based on described control centre, to associated with it
The active power of each wind energy turbine set is allocated；
Described transformer station is communicated with described wind farm monitoring system by 3G communication port；And
Described control centre is communicated with described transformer station by optical fiber；
Described wind farm monitoring system is led to described information acquisition terminal equipment by intercommunication passage
Letter, is collected various data messages by remote signalling, telemetry command, and data message is stored in system server
In so that inquiry and use；
Substation server, the described substation data information obtained for storing described transformer station to process；With
And
Control centre's server, for storing the described substation data information that described control centre receives.
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| CN104578412B (en) * | 2014-12-19 | 2017-06-23 | 上海电机学院 | A kind of detection method of the condition detecting system based on big data technology |
| CN105375513B (en) * | 2015-11-06 | 2017-08-25 | 国家电网公司 | A kind of 110 kilovolts of wind power field automatic voltage controls based on real-time on-line equivalent |
| CN105429869B (en) * | 2015-11-11 | 2018-07-06 | 国网天津市电力公司 | A kind of integrated information exchange intelligent network shutdown in boss station |
| CN105449871A (en) * | 2015-12-29 | 2016-03-30 | 国网河北省电力公司衡水供电分公司 | Large-scale wind power plant real-time online monitoring system |
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| CN101378206B (en) * | 2007-08-29 | 2010-11-17 | 深圳市科陆电子科技股份有限公司 | Distribution terminal, and method and system for obtaining distribution data thereof |
| JP4988540B2 (en) * | 2007-12-27 | 2012-08-01 | 株式会社日立製作所 | Wind farm group, wind farm and control method thereof |
| CN201576182U (en) * | 2009-10-30 | 2010-09-08 | 南京盛唐电力控制系统有限公司 | Comprehensive monitoring system for wind power station |
| US20110166717A1 (en) * | 2010-05-28 | 2011-07-07 | Mitsubishi Heavy Industries, Ltd. | Real power control in wind farm |
| CN101931241B (en) * | 2010-09-21 | 2013-04-17 | 许继集团有限公司 | Wind farm grid-connected coordination control method |
| CN102003349B (en) * | 2010-11-05 | 2013-02-06 | 甘肃省电力公司 | Large-scale wind power active power optimization method under limit state of wind power |
| CN102102629B (en) * | 2011-01-17 | 2012-10-10 | 东南大学 | On-line data acquisition and analysis device of wind generating set |
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| CN105162171A (en) | 2015-12-16 |
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| CN105048515A (en) | 2015-11-11 |
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| CN102842916A (en) | 2012-12-26 |
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