CN107453398A - Dcs and distributed control method based on the power distribution network acted on behalf of more - Google Patents
Dcs and distributed control method based on the power distribution network acted on behalf of more Download PDFInfo
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- CN107453398A CN107453398A CN201710780803.7A CN201710780803A CN107453398A CN 107453398 A CN107453398 A CN 107453398A CN 201710780803 A CN201710780803 A CN 201710780803A CN 107453398 A CN107453398 A CN 107453398A
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- 230000001172 regenerating effect Effects 0.000 claims abstract description 165
- 238000010248 power generation Methods 0.000 claims abstract description 70
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- H02J3/382—
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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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Abstract
The invention provides a kind of dcs and distributed control method based on the power distribution network acted on behalf of more, it is related to transmission ＆ distribution electro-technical field, based on distributed AC servo system strategy, it is low in application cost and on the premise of control mode is simple and easy to do, control line voltage not out-of-limit, and increase the power network digestion capability grid-connected to regenerative resource.Wherein, dcs includes regulation and control unit, multiple voltage acquisition units, transformer control agent and multiple regenerative resource control agents；Multiple voltage acquisition units correspond with the node where ULTC and multiple renewable energy power generation units respectively to be connected；Multiple regenerative resource control agents correspond with multiple renewable energy power generation units respectively to be connected, and regenerative resource control agent is also connected with regulation and control unit and voltage acquisition unit；Transformer control agent is connected with regulation and control unit, ULTC and voltage acquisition unit.Above-mentioned dcs is used for the running status for adjusting power network.
Description
Technical field
The present invention relates to transmission ＆ distribution electro-technical field, more particularly to a kind of distributed AC servo system system based on the power distribution network acted on behalf of more
System and distributed control method.
Background technology
In recent years, the energy-consuming in the whole world more than 80% relies on the fossil energies such as coal, oil, natural gas, crosses fossil
The consumption of the energy, result in the discharge of a large amount of greenhouse gases, and then result in energy scarcity, climate change and environmental pollution etc. one
Series of problems.At present, in order to reduce the consumption of fossil energy, energy sustainable development is realized, greatly develops wind energy, solar energy etc.
Regenerative resource has become the common choice of various countries.
But with increasing regenerative resource is grid-connected and as caused by electric automobile, electronic heating increasingly
The load increased, the safe operation to power network bring great challenge.After a large amount of regenerative resources are grid-connected, make current electric grid
The infrastructure such as cable operated in capacity limitation edge, but change the cable of more Large Copacity due to very time-consuming and cost
High and be not easy to realize, this will limit the power network digestion capability grid-connected to regenerative resource significantly.In addition, regenerative resource is simultaneously
The caused trend adverse current of net will cause overtension, and load increase is overweight will cause brownout, and this may result in
The voltage of power network occurs out-of-limit.Therefore, if wanting to improve the power network digestion capability grid-connected to regenerative resource and avoiding power network
Voltage generation is out-of-limit, and this just proposes higher requirement to power distribution network.
In the prior art, in order to solve the above problems, power distribution network generally use central dispatching formula cooperative control system, still
Using above-mentioned control system, on the one hand need all to set up collection sensing device, data processing amount at each node in power network
It is huge, cause application cost higher；On the other hand, multiple regenerative resource acceptor center dispatch commands in power network are uniformly controlled,
, it is necessary to readjust control strategy after having new regenerative resource grid-connected in power network, so that application process is very cumbersome.
Therefore, the applicability of existing central dispatching formula cooperative control system is relatively low, is not easy to promote.
The content of the invention
The invention provides a kind of dcs and distributed control method based on the power distribution network acted on behalf of more, base
It is relatively low in application cost and on the premise of control mode is simple and easy to do in distributed AC servo system strategy, control the voltage of power network not get over
Limit, and increase the power network digestion capability grid-connected to regenerative resource.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
The first aspect of the present invention provides a kind of dcs based on the power distribution network acted on behalf of more, including regulation and control
Unit, multiple voltage acquisition units, transformer control agent and multiple regenerative resource control agents；Wherein, multiple electricity
Press node one a pair of the collecting unit respectively with the power network where ULTC and multiple renewable energy power generation units
It should be connected；
Multiple regenerative resource control agents correspond phase with multiple renewable energy power generation units respectively
Even, the regenerative resource control agent also respectively with the regulation and control unit and corresponding renewable energy power generation unit institute
Voltage acquisition unit at node is connected, and the regenerative resource control agent is used to be gathered the voltage acquisition unit
Local voltage data be uploaded to it is described regulation and control unit in；The transformer control agent respectively with the regulation and control unit, described
Voltage acquisition unit where ULTC and the ULTC at node is connected, the transformer
The local voltage data that control agent is used to be gathered the voltage acquisition unit is uploaded in the regulation and control unit；
The regulation and control unit is used for the local voltage data according to upload, determines the transformer control agent and each institute
State the associated voltage data of regenerative resource control agent；When the voltage out-of-limit of power network, generation is controlled to the regenerative resource
Reason and/or the transformer control agent issue corresponding regulation and control model control instruction, and by the associated voltage data transfer
Into corresponding regenerative resource control agent and/or corresponding transformer control agent；
The regenerative resource control agent is additionally operable in the presence of the regulation and control model control instruction, according to corresponding
Local voltage data and associated voltage data, generate and issue the operation shape for adjusting corresponding renewable energy power generation unit
The regulating command of state；The transformer control agent is additionally operable in the presence of the regulation and control model control instruction, according to corresponding
Local voltage data and associated voltage data, generate and issue the running status for adjusting the ULTC
Regulating command.
Using the dcs provided by the present invention based on the power distribution network acted on behalf of more, based on regulation and control unit, electricity
The Collaborative Control between collecting unit, transformer control agent and regenerative resource control agent is pressed, is got over when voltage occurs for power network
In limited time, the running status of renewable energy power generation unit corresponding to being controlled by regenerative resource control agent, and/or it is logical
The running status of transformer control agent control ULTC is crossed, and then the running status progress to whole power network is excellent
Change, the voltage of power network is maintained in defined voltage range, and power network can be made to accommodate more regenerative resources.
In addition, compared with traditional central dispatching formula cooperative control system, it is provided by the present invention to be matched somebody with somebody based on what is acted on behalf of more
The dcs of power network need to only be set at the node where renewable energy power generation unit and ULTC
Voltage acquisition unit, the quantity and data processing amount of voltage acquisition unit are greatly reduced, largely reducing should
Use cost.Also, the dcs provided by the present invention based on the power distribution network acted on behalf of more is based on distributed AC servo system plan
Slightly：Multiple regenerative resource control agents correspond with multiple renewable energy power generation units, and each regenerative resource controls generation
Reason is in the presence of corresponding regulation and control model control instruction, by limited communication intercommunication, according to corresponding local voltage data
With associated voltage data, the running status of corresponding renewable energy power generation unit is individually controlled.Thus, even if power network
In have that new regenerative resource is grid-connected, need to only correspond to increase the i.e. achievable control of which of new regenerative resource control agent,
Control strategy need not be changed, control mode is simple and easy to do.
It can be seen that the dcs provided by the present invention based on the power distribution network acted on behalf of more is based on distributed AC servo system plan
Slightly, it is relatively low in application cost and on the premise of control mode is simple and easy to do, by regulating and controlling unit, voltage acquisition unit, transformer
Collaborative Control between control agent and regenerative resource control agent, the optimization to the running status of power network is realized, on the one hand
It is out-of-limit to avoid the voltage generation of power network, on the other hand improves the power network digestion capability grid-connected to regenerative resource.
The second aspect of the present invention provides a kind of distributed control method based on the power distribution network acted on behalf of more, described to be based on
The distributed control method for the power distribution network acted on behalf of more be applied to as described in the first aspect of the present invention based on the distribution acted on behalf of more
In the dcs of net；The distributed control method based on the power distribution network acted on behalf of more includes：
Step S1：Multiple voltage acquisition units gather the local at the node of the power network where ULTC respectively
Local voltage data at the node of power network where voltage data and multiple renewable energy power generation units；
Step S2：Transformer control agent and multiple regenerative resource control agents are respectively by corresponding voltage acquisition unit
The local voltage data gathered is uploaded in regulation and control unit；
Step S3：The regulation and control unit determines the transformer control agent according to the local voltage data of upload
The associated voltage data of associated voltage data and each regenerative resource control agent；
When voltage out-of-limit, corresponding regulation and control model control instruction is issued to the regenerative resource control agent, and will
The associated voltage data transfer of the regenerative resource control agent, can be again described in order into the regenerative resource control agent
Raw energy control agency is in the presence of the regulation and control model control instruction, according to corresponding local voltage data and associated voltage
Data, generate and issue the regulating command of the running status for adjusting corresponding renewable energy power generation unit；
And/or corresponding regulation and control model control instruction is issued to the transformer control agent, the transformer is controlled
The associated voltage data transfer of agency makes the transformer control agent in the regulation and control mould into the transformer control agent
In the presence of formula control instruction, according to corresponding local voltage data and associated voltage data, generate and issue for adjusting institute
State the regulating command of the running status of ULTC.
The beneficial effect of distributed control method provided by the present invention based on the power distribution network acted on behalf of more is with the present invention's
The beneficial effect for the dcs based on the power distribution network acted on behalf of more that first aspect is provided is identical, no longer superfluous herein
State.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is shown by the structure for the dcs based on the power distribution network acted on behalf of more that the embodiment of the present invention one provides
It is intended to one；
Fig. 2 is shown by the structure for the dcs based on the power distribution network acted on behalf of more that the embodiment of the present invention one provides
It is intended to two；
Fig. 3 is shown by the structure for the dcs based on the power distribution network acted on behalf of more that the embodiment of the present invention one provides
It is intended to three；
Fig. 4 is shown by the structure for the dcs based on the power distribution network acted on behalf of more that the embodiment of the present invention one provides
It is intended to four；
The flow for the distributed control method based on the power distribution network acted on behalf of more that Fig. 5 is provided by the embodiment of the present invention two
Figure；
Description of reference numerals：
1- regulates and controls unit；2- voltage acquisition units；
3- transformer control agents；4- regenerative resource control agents；
5- ULTCs；6- renewable energy power generation units；
7- transformer driver elements；8- generating set driver elements；
11- associated voltage determination modules；12- regulation and control model determination modules；
121- voltage out-of-limit judging submodules；122- regulation and control models select submodule；
The information exchange modules of 31- second；32- on-load voltage regulation control algolithm modules；
41- first information interactive modules；42- power regulation control algolithm modules；
21- voltage detection modules；22- voltage sensor modules；
The transmission line of electricity of 9- power networks.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, implement below in conjunction with the present invention
Accompanying drawing in example, the technical scheme in the embodiment of the present invention is clearly and completely described.Obviously, described embodiment
Only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
All other embodiment that art personnel are obtained on the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
Embodiment one
As shown in figure 1, present embodiments providing a kind of dcs based on the power distribution network acted on behalf of more, this is based on
The dcs for the power distribution network acted on behalf of more includes regulation and control unit 1, multiple voltage acquisition units 2, transformer control agent 3
With multiple regenerative resource control agents 4.
Wherein, ULTC 5 and multiple renewable energy power generation units 6 are connected with the transmission line of electricity 9 of power network.
Multiple voltage acquisition units 2 section with the power network where ULTC 5 and multiple renewable energy power generation units 6 respectively
Point, which corresponds, to be connected, and the voltage acquisition unit 2 is used to gather the local voltage data at corresponding node.
Multiple regenerative resource control agents 4 correspond with multiple renewable energy power generation units 6 respectively to be connected, can be again
Raw energy control agency 4 is also respectively with regulating and controlling the electricity at unit 1 and the place node of corresponding renewable energy power generation unit 6
Collecting unit 2 is pressed to be connected, regenerative resource control agent 4 is used for the local voltage data for being gathered voltage acquisition unit 2
Reach in regulation and control unit 1.
Transformer control agent 3 is respectively with regulating and controlling unit 1, ULTC 5 and the institute of ULTC 5
Voltage acquisition unit 2 at node is connected, and transformer control agent 3 is used for the local electricity for being gathered voltage acquisition unit 2
Pressure data are uploaded in regulation and control unit 1.
Regulation and control unit 1 is used for the local voltage data according to upload, determines the associated voltage number of transformer control agent 3
According to the associated voltage data with each regenerative resource control agent 4；When power network voltage occur more prescribe a time limit, to regenerative resource control
System agency 4 issues corresponding regulation and control model control instruction, and associated voltage data transfer to corresponding regenerative resource is controlled
In agency 4；And/or corresponding regulation and control model control instruction is issued to transformer control agent 3, and associated voltage data are passed
Transport in transformer control agent 3.
Regenerative resource control agent 4 is additionally operable in the presence of regulation and control model control instruction, according to corresponding local electricity
Data and associated voltage data are pressed, generates and issues the running status for adjusting corresponding renewable energy power generation unit 6
Regulating command.Transformer control agent 3 is additionally operable in the presence of regulation and control model control instruction, according to this corresponding ground voltage number
According to associated voltage data, generate and issue the regulating command of the running status for adjusting ULTC 5.
The dcs based on the power distribution network acted on behalf of more that the present embodiment is provided includes regulation and control unit 1, multiple
Voltage acquisition unit 2, transformer control agent 3 and multiple regenerative resource control agents 4, based on regulation and control unit 1, voltage acquisition
Collaborative Control between unit 2, transformer control agent 3 and regenerative resource control agent 4, when voltage out-of-limit occurs for power network
When, the running status of corresponding renewable energy power generation unit 6 can be controlled by regenerative resource control agent 4, and/or lead to
Cross the running status that transformer control agent 3 controls ULTC 5.When to renewable energy power generation unit 6 and/or having
After the running status of voltage adjustment of on-load transformer 5 optimizes, it is possible to achieve the running status of whole power network is optimized, not only may be used
To realize the regulation to the voltage of whole power network, moreover it is possible to power network is accommodated more regenerative resources.
In addition, compared with traditional central dispatching formula cooperative control system, using the present embodiment provided based on more generations
The dcs of the power distribution network of reason, it is only necessary to the section where renewable energy power generation unit 6 and ULTC 5
Voltage acquisition unit 2 is set at point, greatly reduces the quantity and data processing amount of voltage acquisition unit 2, so as to very big
Application cost is reduced in degree.Also, the dcs based on the power distribution network acted on behalf of more that the present embodiment is provided
Based on distributed AC servo system strategy：Multiple regenerative resource control agents 4 correspond with multiple renewable energy power generation units 6,
Each regenerative resource control agent 4 is in the presence of corresponding regulation and control model control instruction, by limited communication intercommunication, according to
Corresponding local voltage data and associated voltage data, list is carried out to the running status of corresponding renewable energy power generation unit 6
Solely control.Thus, even if having in power network, new regenerative resource is grid-connected, and need to only correspond to increases new regenerative resource control agent
4 can be achieved control of which, and without changing control strategy, control mode is simple and easy to do.
It can be seen that the dcs based on the power distribution network acted on behalf of more that the present embodiment is provided is based on distributed AC servo system
Strategy, it is relatively low in application cost and on the premise of control mode is simple and easy to do, by regulating and controlling unit 1, voltage acquisition unit 2, becoming
Collaborative Control between depressor control agent 3 and regenerative resource control agent 4, the optimization to the running status of power network is realized,
On the one hand it is out-of-limit to avoid the voltage generation of power network, on the other hand improves the power network digestion capability grid-connected to regenerative resource.
Further, since the dcs based on the power distribution network acted on behalf of more provided using the present embodiment can carry
The high power network digestion capability grid-connected to regenerative resource, thus the upgrading time of the infrastructure device in power network can be effectively postponed,
So as to reduce the maintenance cost of power network.
It should be noted that the associated voltage data of transformer control agent 3 refer to：It is right with the transformer control agent 3
The ULTC 5 answered is located at the local voltage data of the place node of renewable energy power generation unit 6 of same circuit.Can
The associated voltage data of renewable sources of energy control agent 4 refer to：Renewable energy power generation machine corresponding to regenerative resource control agent 4
Group 6 related feeder line on the line voltage data.
As shown in Fig. 2 regulation and control unit 1 specifically may include associated voltage determination module 11 and regulation and control model determination module 12.
Wherein, associated voltage determination module 11 respectively with transformer control agent 3 and the phase of regenerative resource control agent 4
Even.Associated voltage determination module 11 is used for local voltage data and the regenerative resource control uploaded according to transformer control agent 3
The local voltage data that system agency 4 uploads, determines the associated voltage data of transformer control agent 3 and each regenerative resource control
The associated voltage data of system agency 4.
Regulation and control model determination module 12 respectively with associated voltage determination module 11, transformer control agent 3 and renewable energy
Source control agent 4 is connected.Regulation and control model determination module 12 be used for according to transformer control agent 3 upload local voltage data and
The local voltage data that regenerative resource control agent 4 uploads, judges whether the voltage of power network is out-of-limit.When judging voltage out-of-limit
When, idle regulation and control model control instruction or active regulation and control model control instruction are issued to regenerative resource control agent 4, and control
Associated voltage determination module 11 is by associated voltage data transfer into corresponding regenerative resource control agent 4；And/or to change
Depressor control agent 3 issues pressure regulation regulation and control model control instruction, and controls associated voltage determination module 11 by associated voltage data
Transmit into transformer control agent 3.
When power network voltage occur more prescribe a time limit, by renewable energy power generation unit 6 and/or ULTC 5
Running status optimize, it is possible to achieve the optimization to the running status of whole power network, so as to ensure that the voltage of power network is not got over
Limit, and the digestion capability that increase power network is grid-connected to regenerative resource.
Also, work as and the running status of renewable energy power generation unit 6 is optimized by regenerative resource control agent 4
Afterwards, the degree output electric energy that renewable energy power generation unit 6 is maximum can be made, so as to improve the utilization rate of regenerative resource, entered
And realize nothing and abandon wind and abandon light.
Further, it specifically may include voltage out-of-limit judging submodule referring again to Fig. 2, regulation and control model determination module 12
121 and regulation and control model selection submodule 122.
Wherein, voltage out-of-limit judging submodule 121 respectively with transformer control agent 3 and regenerative resource control agent 4
It is connected, voltage out-of-limit judging submodule 121 is used for the local voltage data and renewable energy uploaded according to transformer control agent 3
The local voltage data that source control agent 4 uploads, judges whether the voltage of power network is out-of-limit.
Regulation and control model selection submodule 122 is got over transformer control agent 3, regenerative resource control agent 4, voltage respectively
Limit judging submodule 121 is connected with associated voltage determination module 11.Regulation and control model selection submodule 122 is used to sentence in voltage out-of-limit
When disconnected submodule 121 judges voltage out-of-limit, judge whether to meet first condition or second condition.Wherein, first condition is complete
The regenerative resource control agent 4 in portion did not all issue Reactive-power control instruction, and second condition is whole regenerative resource control
System agency 4 issued Reactive-power control instruction, and transformer control agent 3 did not issue gear regulating command.
When judging to meet first condition, regulation and control model selection submodule 122 issues to regenerative resource control agent 4
Idle regulation and control model control instruction, and control associated voltage determination module 11 by corresponding associated voltage data transfer to renewable
In energy control agency 4.
Because the quantity of regenerative resource control agent 4 is multiple, when the voltage of power network occurs more to prescribe a time limit, it is preferred that can
Regenerative resource control agent 4 corresponding to the renewable energy power generation unit 6 at out-of-limit node first occurs to voltage issues nothing
Work(regulation and control model control instruction, adjust the reactive power of the renewable energy power generation unit 6.If it have adjusted the development of renewable energy
After the reactive power of group of motors 6, the voltage of power network is still out-of-limit, then continue to the renewable energy power generation unit 6 apart from most
Regenerative resource control agent 4 corresponding near renewable energy power generation unit 6 issues idle regulation and control model control instruction, continues
The reactive power of next renewable energy power generation unit 6 is adjusted, by that analogy.
The reactive power of the renewable energy power generation unit 6 nearer to ionization voltage more point of accumulation is adjusted, to the fortune of power network
The improvement of row state is also more obvious, and therefore, the reactive power of multiple renewable energy power generation units 6 is entered using aforesaid way
Row regulation, it is ensured that power network recovers steady operational status within a short period of time, that is, ensures the voltage of power network within a short period of time
Again in defined voltage range.
When judging to meet second condition, regulation and control model selection submodule 122 issues pressure regulation to transformer control agent 3
Regulation and control model control instruction, and control associated voltage determination module 11 to control corresponding associated voltage data transfer to transformer
In agency 3.When the regenerative resource control agent 4 of whole is all under the regulation and control of regulation and control model selection submodule 122 to corresponding
Renewable energy power generation unit 6 issued Reactive-power control instruction after, if out-of-limit situation also occurs in the voltage of power network, can enter
The gear of ULTC 5 is adjusted by transformer control agent 3 for one step, to realize the running status to power network
Further optimized.
When judging to be unsatisfactory for first condition and be unsatisfactory for second condition, regulation and control model selects submodule 122 to can be again
Raw energy control agency 4 issues active regulation and control model control instruction, and controls associated voltage determination module 11 by corresponding correlation
Voltage data is transmitted into regenerative resource control agent 4.
Regulation and control model selection submodule 122 issues active regulation and control model control to multiple regenerative resource control agents 4 and referred to
The order of order, idle regulation and control model is issued to multiple regenerative resource control agents 4 with above-mentioned regulation and control model selection submodule 122
The order of control instruction is similar, and here is omitted.
In the dcs based on the power distribution network acted on behalf of more that the present embodiment is provided, as shown in figure 3, can be again
Raw energy control agency 4 specifically may include connected first information interactive module 41 and power regulation control algolithm module 42.Its
In, reactive power Regulation Control algorithm and active power Regulation Control algorithm are stored with power regulation control algolithm module 42.
Wherein, first information interactive module 41 respectively with power regulation control algolithm module 42, voltage acquisition unit 2, can
Voltage out-of-limit in renewable source of energy generation unit 6, associated voltage determination module 11 and regulation and control model determination module 12 judges son
Module 121 is connected with regulation and control model selection submodule 122.
First information interactive module 41 is used to realize associated voltage determination module 11, voltage out-of-limit judging submodule 121, adjusted
Control model selection submodule 122, voltage acquisition unit 2, power regulation control algolithm module 42 and renewable energy power generation unit 6
Between signal transmission.Specifically：The local voltage data that voltage acquisition unit 2 is gathered passes through first information interactive module 41
It is uploaded in associated voltage determination module 11 and voltage out-of-limit judging submodule 121；The local electricity that voltage acquisition unit 2 is gathered
The associated voltage data that pressure data and associated voltage determination module 11 are determined are transmitted by first information interactive module 41
Into power regulation control algolithm module 42；The active regulation and control model control instruction that regulation and control model selection submodule 122 is issued
Or work(regulation and control model control instruction is transmitted into power regulation control algolithm module 42 by first information interactive module 41.
When regulation and control model selects submodule 122 by first information interactive module 41 to power regulation control algolithm module 42
When issuing reactive power pressure regulation regulation and control model control instruction, power regulation control algolithm module 42 is used to adjust in reactive power pressure regulation
In the presence of controlling mode control instruction, according to corresponding local voltage data, associated voltage data and reactive power Regulation Control
Algorithm, generate and issue Reactive-power control instruction, the reactive power of renewable energy power generation unit 6 corresponding to regulation.When regulation and control mould
Formula selection submodule 122 issues active power pressure regulation by first information interactive module 41 to power regulation control algolithm module 42
During regulation and control model control instruction, power regulation control algolithm module 42 in the presence of active power pressure regulation regulation and control model, according to
Corresponding local voltage data, associated voltage data and active power Regulation Control algorithm, generate and issue active regulating command,
The active power of renewable energy power generation unit 6 corresponding to regulation.
It should be noted that Reactive-power control instruction and active regulating command that power regulation control algolithm is generated, and
Corresponding renewable energy power generation unit 6 is handed down to by first information interactive module 41.
Referring again to Fig. 3, transformer control agent 3 includes the second information exchange module 31 and on-load voltage regulation control algolithm
Module 32.Wherein, it is stored with on-load voltage regulation control algolithm in on-load voltage regulation control algolithm module 32.
Wherein, the second information exchange module 31 respectively with on-load voltage regulation control algolithm module 32, associated voltage determination module
11st, the voltage out-of-limit judging submodule in voltage acquisition unit 2, ULTC 5 and regulation and control model determination module 12
121 select being connected for submodule 122 with regulation and control model.
Similar with first information interactive module 41, the second information exchange module 31 is also for realizing that associated voltage judges mould
Block 11, voltage out-of-limit judging submodule 121, regulation and control model selection submodule 122, voltage acquisition unit 2, power regulation control are calculated
What the signal between method module 42 and renewable energy power generation unit 6 transmitted.Specifically：The sheet that voltage acquisition unit 2 is gathered
Ground voltage data are uploaded to associated voltage determination module 11 and voltage out-of-limit judging submodule by the second information exchange module 31
In 121；The local voltage data and associated voltage determination module 11 that voltage acquisition unit 2 is gathered are determined mutually powered-down
Pressure data are transmitted into power regulation control algolithm module 42 by the second information exchange module 31；Regulation and control model selects submodule
The 122 pressure regulation regulation and control model control instructions issued are transmitted to on-load voltage regulation control algolithm mould by the second information exchange module 31
In block 32.
When regulation and control model selects submodule 122 by the second information exchange module 31 by under pressure regulation regulation and control model control instruction
When being sent to on-load voltage regulation control algolithm module 32, on-load voltage regulation control algolithm module 32 is used in pressure regulation regulation and control model control instruction
In the presence of, according to corresponding local voltage data, associated voltage data and on-load voltage regulation control algolithm, generate and issue gear
Regulating command, adjust the gear of ULTC 5.
It should be noted that the gear regulating command that on-load voltage regulation control algolithm module 32 is generated is also by the second letter
Breath interactive module 31 is handed down to ULTC 5.
With reference to Fig. 1~Fig. 3, pass through distributed AC servo system side corresponding to the dcs for the power distribution network acted on behalf of more
Method, the operation principle of the dcs based on the power distribution network acted on behalf of more provided the present embodiment are carried out specifically
It is bright：
Step H1：Voltage acquisition unit 2 gathers the local electricity at the node of the power network at the place of ULTC 5 in real time
Local voltage data at the node of power network where pressure data and regenerative resource.
Step H2：The local voltage data that first information interactive module 41 is gathered corresponding voltage acquisition unit 2 is real
When be uploaded in associated voltage determination module 11 and voltage out-of-limit judging submodule 121；Second information exchange module 31 will be right
The local voltage data that the voltage acquisition unit 2 answered is gathered is uploaded to associated voltage determination module 11 and voltage out-of-limit in real time
In judging submodule 121.
Step H3：Associated voltage determination module 11 determines transformer control agent 3 according to the local voltage data of upload
Associated voltage data and each regenerative resource control agent 4 associated voltage data.
Step H4：Voltage out-of-limit judging submodule 121 according to the local voltage data of upload, judge power network voltage whether
It is out-of-limit, when judging voltage out-of-limit, judge whether to meet first condition or the second condition；When judge meet first
During part, into step H5；When judging to meet second condition, into step H6；When judging to be unsatisfactory for first condition and not
When meeting second condition, into step H7.
Step H5：Regulation and control model selects power regulation control algolithm mould of the submodule 122 to regenerative resource control agent 4
Block 42 issues idle regulation and control model control instruction, and controls associated voltage determination module 11 by corresponding associated voltage data transfer
Into power regulation control algolithm module 42.Effect of the power regulation control algolithm module 42 in idle regulation and control model control instruction
Under, according to corresponding local voltage data, associated voltage data and reactive power Regulation Control algorithm, generate and to it is corresponding can
Renewable source of energy generation unit 6 issues Reactive-power control instruction, and then the idle work(of renewable energy power generation unit 6 corresponding to regulation
Rate；Return to step H4.
Step H6：Regulation and control model selects on-load voltage regulation control algolithm module 32 of the submodule 122 to transformer control agent 3
Pressure regulation regulation and control model control instruction is issued, and controls associated voltage determination module 11 that corresponding associated voltage data transfer extremely should
In on-load voltage regulation control algolithm module 32.Effect of the on-load voltage regulation control algolithm module 32 in pressure regulation regulation and control model control instruction
Under, according to corresponding local voltage data, associated voltage data and on-load voltage regulation control algolithm, generate and to on-load voltage regulation transformation
Device 5 issues gear regulating command, and then adjusts the gear of ULTC 5；Return to step H4.
Step H7：Regulation and control model selects power regulation control algolithm mould of the submodule 122 to regenerative resource control agent 4
Block 42 issues active regulation and control model control instruction, and controls associated voltage determination module 11 by corresponding associated voltage data transfer
Into power regulation control algolithm module 42.Effect of the power regulation control algolithm module 42 in active regulation and control model control instruction
Under, according to corresponding local voltage data, associated voltage data and active power Regulation Control algorithm, generate and to it is corresponding can
Renewable source of energy generation unit 6 issues active regulating command, the active power of renewable energy power generation unit 6 corresponding to regulation；Return
Return step H4.
In addition, the dcs based on the power distribution network acted on behalf of more that the present embodiment is provided, may also include transformation
Device driver element 7 and multiple generating set driver elements 8.
As shown in figure 4, transformer driver element 7 is connected with transformer control agent 3 and ULTC 5 respectively.
Transformer driver element 7 is used for the regulating command issued according to transformer control agent 3, adjusts the fortune of ULTC 5
Row state.Multiple generating set driver elements 8 correspond with multiple regenerative resource control agents 4, and generating set driving is single
Member 8 is connected with corresponding regenerative resource control agent 4 and corresponding renewable energy power generation unit 6 respectively.Generating set drives
Moving cell 8 is used for the regulating command issued according to regenerative resource control agent 4, renewable energy power generation unit corresponding to regulation
6 running status.
Exemplary, referring again to Fig. 4, voltage acquisition unit 2 specifically may include the connected He of voltage detection module 21
Voltage sensor module 22.
For the voltage acquisition unit 2 being connected with the place node of ULTC 5, in voltage acquisition unit 2
Voltage detection module 21 and ULTC 5 where node be connected, for detecting the local voltage data of the node；
Voltage sensor module 22 is connected with transformer control agent 3, for the local voltage data for being detected voltage detection module 21
Transmit into transformer control agent 3.For the voltage acquisition unit 2 being connected with the place node of renewable energy power generation unit 6
For, the voltage detection module 21 in voltage acquisition unit 2 is connected with the node where renewable energy power generation unit 6, is used for
The local voltage data of node corresponding to detection；Voltage sensor module 22 is connected with regenerative resource control agent 4, for by electricity
The local voltage data that pressure detection module 21 is detected is transmitted into corresponding regenerative resource control agent 4.
Optionally, voltage detection module 21 can be metering device, and voltage sensor module 22 can be sensing device.
Embodiment two
A kind of distributed control method based on the power distribution network acted on behalf of more is present embodiments provided, should be matched somebody with somebody based on what is acted on behalf of more
The distributed control method of power network is applied in the dcs based on the power distribution network acted on behalf of more described in embodiment one.
Specifically included as shown in figure 5, being somebody's turn to do the distributed control method based on the power distribution network acted on behalf of more：
Step S1：Multiple voltage acquisition units gather the local at the node of the power network where ULTC respectively
Local voltage data at the node of power network where voltage data and multiple renewable energy power generation units.
Step S2：Transformer control agent and multiple regenerative resource control agents are respectively by corresponding voltage acquisition unit
The local voltage data gathered is uploaded in regulation and control unit.
Step S3：Regulate and control local voltage data of the unit according to upload, determine the associated voltage of transformer control agent
The associated voltage data of data and each regenerative resource control agent.When voltage out-of-limit, under regenerative resource control agent
Send out regulation and control model control instruction corresponding, and by the associated voltage data transfer of regenerative resource control agent to regenerative resource
In control agent, regenerative resource control agent is made in the presence of regulation and control model control instruction, according to this corresponding ground voltage
Data and associated voltage data, generate and issue the regulation of the running status for adjusting corresponding renewable energy power generation unit
Instruction；And/or issue corresponding regulation and control model control instruction to transformer control agent, and by the phase of transformer control agent
Powered-down pressure data transfer makes transformer control agent in the presence of regulation and control model control instruction into transformer control agent,
According to corresponding local voltage data and associated voltage data, generate and issue the operation shape for adjusting ULTC
The regulating command of state.
The distributed control method based on the power distribution network acted on behalf of more provided using the present embodiment, based on regulation and control unit,
Collaborative Control between voltage acquisition unit, transformer control agent and regenerative resource control agent, when voltage occurs for power network
More prescribe a time limit, the running status of renewable energy power generation unit and/or ULTC can be adjusted, and then realize
Optimization to the running status of whole power network, so, not only can make power network voltage maintain as defined in voltage model
In enclosing, moreover it is possible to power network is accommodated more regenerative resources.In addition, using the present embodiment provided based on the distribution acted on behalf of more
The distributed control method of net, it is only necessary to which electricity is set at the node where renewable energy power generation unit and ULTC
Collecting unit is pressed, greatly reduces the quantity and data processing amount of voltage acquisition unit, so as to largely reduce
Application cost.Also, the distributed control method based on the power distribution network acted on behalf of more provided using the present embodiment, it is each renewable
Energy control is acted on behalf of in the presence of corresponding regulation and control model control instruction, by limited communication intercommunication, according to corresponding sheet
Ground voltage data and associated voltage data, the running status of corresponding renewable energy power generation unit is individually controlled.Base
In this kind of distributed AC servo system strategy, after having new regenerative resource grid-connected in power network, need to only correspond to increases new renewable energy
Control of which can be achieved in source control agent, and without changing control strategy, control mode is simple and easy to do.
It can be seen that the distributed control method based on the power distribution network acted on behalf of more that the present embodiment is provided is based on distributed AC servo system
Strategy, it is relatively low in application cost and on the premise of control mode is simple and easy to do, by regulating and controlling unit, voltage acquisition unit, transformation
Collaborative Control between device control agent and regenerative resource control agent, realizes the optimization to the running status of power network, and one
It is out-of-limit that aspect can avoid the voltage of power network from occurring, and on the other hand can improve the power network digestion capability grid-connected to regenerative resource.
When regulation and control unit includes associated voltage determination module and regulation and control model determination module, step S3 includes：
Step S31：Associated voltage determination module determines transformer control agent according to the local voltage data of upload
The associated voltage data of associated voltage data and each regenerative resource control agent.
Step S32：Regulation and control model determination module judges whether the voltage of power network is got over according to the local voltage data of upload
Limit, when judging voltage out-of-limit, judges whether to meet first condition or second condition, when judging to meet first condition,
Into step S33；When judging to meet second condition, into step S34, when judging to be unsatisfactory for first condition and be unsatisfactory for
During second condition, into step S35.
Wherein, first condition did not all issue Reactive-power control instruction for whole regenerative resource control agents；Second
Condition all issued Reactive-power control instruction for whole regenerative resource control agents, and transformer control agent did not issue
Gear regulating command.
Step S33：Regulation and control model determination module issues idle regulation and control model control instruction to regenerative resource control agent,
And associated voltage determination module is controlled to control the associated voltage data transfer of regenerative resource control agent to regenerative resource
In agency, regenerative resource control agent is made in the presence of idle regulation and control model control instruction, according to this corresponding ground voltage
Data and associated voltage data, generate and issue Reactive-power control instruction；Return to step S32.
Step S34：Regulation and control model determination module issues pressure regulation regulation and control model control instruction to transformer control agent, and controls
Associated voltage determination module processed is by the associated voltage data transfer of transformer control agent into transformer control agent；Make transformation
Device control agent is in the presence of pressure regulation regulation and control model control instruction, according to corresponding local voltage data and associated voltage number
According to generating and issue gear regulating command；Return to step S32.
Step S35：Regulation and control model determination module issues active regulation and control model control instruction to regenerative resource control agent,
And associated voltage determination module is controlled to control the associated voltage data transfer of regenerative resource control agent to regenerative resource
In agency；Regenerative resource control agent is made in the presence of active regulation and control model control instruction, according to this corresponding ground voltage
Data and associated voltage data, generate and issue active regulating command；And return to step S32.
When judge voltage occur more prescribe a time limit, pass through regenerative resource control agent regulation corresponding to renewable energy power generation
The running status of unit, and the running status by transformer control agent regulation ULTC, and then realization pair
The regulation of the running status of whole power network.On the one hand the voltage of power network can be caused to maintain in defined voltage range, do not sent out
Life is out-of-limit, on the other hand can also improve the power network digestion capability grid-connected to regenerative resource, can make more renewable energies
During source is connected to the grid.
When regenerative resource control agent includes first information interactive module and power regulation control algolithm module, and transformation
When device control agent includes the second information exchange module and on-load voltage regulation control algolithm module, step S33 specifically may include：
Step S331：Regulation and control model determination module is under the power regulation control algolithm module of regenerative resource control agent
Send out regulation and control model control instruction idle, and control associated voltage determination module by the associated voltage number of regenerative resource control agent
According to transmitting into corresponding power regulation control algolithm module.
Step S332：Power regulation control algolithm module is in the presence of idle regulation and control model control instruction, according to corresponding
Local voltage data, associated voltage data and reactive power Regulation Control algorithm, generate and simultaneously pass through first information interactive module
Reactive-power control instruction is issued to corresponding renewable energy power generation unit；Return to step S32.
Wherein, reactive power Regulation Control algorithm includes formula (1) as follows~formula (4)：
Wherein,The reactive power support that regenerative resource provides is represented,What is provided before representing regenerative resource is idle
Support, Vi newRepresent that the i moment carries out the magnitude of voltage after reactive power support, Vi oldRepresent that the i moment carries out the magnitude of voltage before reactive power support,
VnormRepresent standard voltage value, ωabsorRepresent to absorb idle weight number, KiRepresent voltage Vi oldWith idle change it is sensitive because
Son,Represent that regenerative resource provides the limiting value of reactive power support,The capacity of renewable energy power generation unit is represented,Represent active before the reactive power support that regenerative resource provides.
Step S34 specifically may include：
Step S341：On-load voltage regulation control algolithm module of the regulation and control model determination module to transformer control agent issues tune
Press regulation and control model control instruction, and control associated voltage determination module by the associated voltage data transfer of transformer control agent extremely
In on-load voltage regulation control algolithm module.
Step S342：On-load voltage regulation control algolithm module is in the presence of pressure regulation regulation and control model control instruction, according to corresponding
Local voltage data, associated voltage data and on-load voltage regulation control algolithm, generate and by the second information exchange module to having
Voltage adjustment of on-load transformer issues gear regulating command；Return to step S32.
Wherein, on-load voltage regulation control algolithm includes formula (5) as follows~formula (7)：
Vs=Vp+Told·ΔV (6)
Tupper≤Ti≤Tlower (7)
Wherein, TiRepresent ULTC in the gear at i moment, Ti-1Represent ULTC at the i-1 moment
Gear, VupperRepresent maximum voltage limiting value, VlowerMinimum voltage limiting value is represented, Δ V represents ULTC phase
Voltage difference between adjacent two gears, ToldRepresent the current gear of ULTC, VpRepresent transforming plant primary side electricity
Pressure, VsRepresent substation secondary side voltage, VminThe minimum associated voltage of indication transformer control agent, VmaxIndication transformer control
Make the maximal correlation voltage of agency, TupperRepresent the highest gear of voltage adjustment of on-load transformer, TlowerRepresent voltage adjustment of on-load transformer most
Low-grade location.
It should be noted that VminAnd VmaxIt is the associated voltage data of transformer control agent, ULTC
Minimum associated voltage specifically refer to：ULTC corresponding with the transformer control agent is located on same circuit
Minimum amount of voltage that in the local voltage data of node where multiple renewable energy power generation units；ULTC is most
Big associated voltage specifically refers to：ULTC corresponding with the transformer control agent is located at multiple on same circuit
Maximum voltage value in the local voltage data of node where renewable energy power generation unit.
It is understood that the gear of above-mentioned ULTC is specific numeral, exemplary, on-load voltage regulation becomes
The gear of depressor corresponds to numeral 1~10 respectively.When the gear of ULTC is represented with other types, can be converted
For numeral.For example, when the gear of ULTC is represented with A shelves, B shelves and C shelves, A shelves can be converted to 1, B shelves and turned
It is changed to 2, C shelves and is converted to 3.
Step S35 is specifically included：
Step S351：Regulation and control model determination module issues active regulation and control model control to regenerative resource control agent and referred to
Order, and control associated voltage determination module to adjust the associated voltage data transfer of regenerative resource control agent to corresponding power
In voltage-controlled algoritic module processed.
Step S352：Power regulation control algolithm module is in the presence of active regulation and control model control instruction, according to corresponding
Local voltage data, associated voltage data and active power Regulation Control algorithm, generate and simultaneously pass through first information interactive module
To corresponding renewable energy power generation unit and issue active regulating command；Return to step S32.
Wherein, active power Regulation Control algorithm includes formula (8) as follows：
Wherein, VupperMaximum voltage limiting value is represented,Represent the maximum before the reactive power support that regenerative resource provides
Magnitude of voltage,Represent active before the reactive power support that regenerative resource provides,Represent that regenerative resource provides idle
It is active after support, MmaxThe sensitive factor of maximum voltage point is represented,Represent the active power under maximum power output.
The embodiment of the present invention is the foregoing is only, but protection scope of the present invention is not limited thereto, it is any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should using the scope of the claims as
It is accurate.
Claims (10)
1. a kind of dcs based on the power distribution network acted on behalf of more, it is characterised in that including regulation and control unit, multiple voltages
Collecting unit, transformer control agent and multiple regenerative resource control agents；Wherein, multiple voltage acquisition unit difference
Correspond and be connected with the node of the power network where ULTC and multiple renewable energy power generation units；
Multiple regenerative resource control agents correspond with multiple renewable energy power generation units respectively to be connected, institute
State regenerative resource control agent also respectively with it is described regulation and control unit and corresponding renewable energy power generation unit where node
The voltage acquisition unit at place is connected, and the regenerative resource control agent is used for the local for being gathered the voltage acquisition unit
Voltage data is uploaded in the regulation and control unit；The transformer control agent respectively with it is described regulation and control unit, it is described have load adjust
Voltage acquisition unit where pressure transformer and the ULTC at node is connected, and the transformer controls generation
Manage and be uploaded to for the local voltage data for being gathered the voltage acquisition unit in the regulation and control unit；
The regulation and control unit is used for according to the local voltage data of upload, determine the transformer control agent and it is each it is described can
The associated voltage data of renewable sources of energy control agent；When the voltage out-of-limit of power network, to the regenerative resource control agent and/
Or the transformer control agent issues corresponding regulation and control model control instruction, and by the associated voltage data transfer to correspondingly
Regenerative resource control agent and/or the transformer control agent in；
The regenerative resource control agent is additionally operable in the presence of the regulation and control model control instruction, according to corresponding local
Voltage data and associated voltage data, generate and issue the running status for adjusting corresponding renewable energy power generation unit
Regulating command；The transformer control agent is additionally operable in the presence of the regulation and control model control instruction, according to corresponding sheet
Ground voltage data and associated voltage data, generate and issue the regulation of the running status for adjusting the ULTC
Instruction.
2. the dcs according to claim 1 based on the power distribution network acted on behalf of more, it is characterised in that
The regulation and control unit includes associated voltage determination module and regulation and control model determination module；Wherein, the associated voltage judges
Module is connected with the transformer control agent and the regenerative resource control agent respectively；The associated voltage determination module
For the local voltage data according to upload, determine the transformer control agent associated voltage data and it is each it is described can be again
The associated voltage data of raw energy control agency；
The regulation and control model determination module respectively with the associated voltage determination module, the transformer control agent and it is described can
Renewable sources of energy control agent is connected；The regulation and control model determination module is used for the local voltage data according to upload, judges power network
Voltage it is whether out-of-limit, when judging voltage out-of-limit, idle regulation and control model control is issued to the regenerative resource control agent
System instruction or active regulation and control model control instruction, control the associated voltage determination module by the associated voltage data transfer extremely
In corresponding regenerative resource control agent；And/or issue the control of pressure regulation regulation and control model to the transformer control agent and refer to
Order, controls the associated voltage determination module by the associated voltage data transfer into the transformer control agent.
3. the dcs according to claim 2 based on the power distribution network acted on behalf of more, it is characterised in that the tune
Controlling mode decision module includes voltage out-of-limit judging submodule and regulation and control model selection submodule；Wherein, the voltage out-of-limit is sentenced
Disconnected submodule is connected with the transformer control agent and the regenerative resource control agent respectively, and the voltage out-of-limit judges
Submodule is used for the local voltage data according to upload, judges whether the voltage of power network is out-of-limit；
Regulation and control model selection submodule respectively with the transformer control agent, the regenerative resource control agent, institute
Voltage out-of-limit judging submodule is stated with the associated voltage determination module to be connected；The regulation and control model selection submodule is used in institute
When stating voltage out-of-limit judging submodule and judging voltage out-of-limit, judge whether to meet first condition or second condition；Wherein, it is described
First condition did not all issue Reactive-power control instruction for whole regenerative resource control agents, and the second condition is all
Regenerative resource control agent all issued Reactive-power control instruction, and the transformer control agent do not issued gear tune
Section instruction；
When judging to meet the first condition, the idle regulation and control model control is issued to the regenerative resource control agent
System instruction, and control the associated voltage determination module by the associated voltage data transfer of the regenerative resource control agent extremely
In corresponding regenerative resource control agent；When judging to meet the second condition, under the transformer control agent
Send out pressure regulation regulation and control model control instruction described, and control the associated voltage determination module by the phase of the transformer control agent
Powered-down pressure data transfer is into the transformer control agent；When judging to be unsatisfactory for the first condition and be unsatisfactory for described
During two conditions, the active regulation and control model control instruction is issued to the regenerative resource control agent, and control the correlation
Voltage determination module controls the associated voltage data transfer of the regenerative resource control agent to corresponding regenerative resource
In agency.
4. the dcs according to claim 2 based on the power distribution network acted on behalf of more, it is characterised in that
The regenerative resource control agent includes first information interactive module and power regulation control algolithm module；Wherein, institute
State first information interactive module respectively with the power regulation control algolithm module, the associated voltage determination module, the tune
Control mode decision module, the voltage acquisition unit are connected with the renewable energy power generation unit；
The power regulation control algolithm module is used in the presence of the reactive power pressure regulation regulation and control model, according to corresponding
Local voltage data, associated voltage data and reactive power Regulation Control algorithm, generate and issue Reactive-power control instruction, regulation pair
The reactive power for the renewable energy power generation unit answered；In the presence of the active power pressure regulation regulation and control model, according to corresponding
Local voltage data, associated voltage data and active power Regulation Control algorithm, generate and issue active regulating command, adjust
The active power of corresponding renewable energy power generation unit.
5. the dcs according to claim 2 based on the power distribution network acted on behalf of more, it is characterised in that the change
Depressor control agent includes the second information exchange module and on-load voltage regulation control algolithm module；Second information exchange module point
Not with the on-load voltage regulation control algolithm module, the associated voltage determination module, the regulation and control model determination module, the electricity
Pressure collecting unit is connected with the ULTC；
The on-load voltage regulation control algolithm module is used in the presence of the pressure regulation regulation and control model control instruction, according to corresponding
Local voltage data, associated voltage data and on-load voltage regulation control algolithm, generate and issue gear regulating command, have described in regulation
The gear of voltage adjustment of on-load transformer.
6. the dcs according to claim 1 based on the power distribution network acted on behalf of more, it is characterised in that the base
Also include in the dcs for the power distribution network acted on behalf of more：
Transformer driver element, the transformer driver element become with the transformer control agent and the on-load voltage regulation respectively
Depressor is connected；The transformer driver element is used for the regulating command that is issued according to the transformer control agent, described in regulation
The running status of ULTC；
Multiple generating set driver elements, the generating set drive correspondingly with multiple regenerative resource control agents
Moving cell is connected with corresponding regenerative resource control agent and corresponding renewable energy power generation unit respectively；The generator
Group driver element is used for the regulating command issued according to the regenerative resource control agent, development of renewable energy corresponding to regulation
The running status of group of motors.
7. a kind of distributed control method based on the power distribution network acted on behalf of more, it is characterised in that described based on the distribution acted on behalf of more
The distributed control method of net is applied to the distribution based on the power distribution network acted on behalf of more as described in any one of claim 1~6
In control system；The distributed control method based on the power distribution network acted on behalf of more includes：
Step S1：Multiple voltage acquisition units gather this ground voltage at the node of the power network where ULTC respectively
Local voltage data at the node of power network where data and multiple renewable energy power generation units；
Step S2：Transformer control agent and multiple regenerative resource control agents are respectively adopted corresponding voltage acquisition unit
The local voltage data of collection is uploaded in regulation and control unit；
Step S3：The regulation and control unit determines the correlation of the transformer control agent according to the local voltage data of upload
The associated voltage data of voltage data and each regenerative resource control agent；
When voltage out-of-limit, corresponding regulation and control model control instruction is issued to the regenerative resource control agent, and by described in
The associated voltage data transfer of regenerative resource control agent makes the renewable energy into the regenerative resource control agent
Source control agent is in the presence of the regulation and control model control instruction, according to corresponding local voltage data and associated voltage number
According to generating and issue the regulating command for the running status of renewable energy power generation unit corresponding to adjusting；
And/or corresponding regulation and control model control instruction is issued to the transformer control agent, by the transformer control agent
Associated voltage data transfer into the transformer control agent, make the transformer control agent in the regulation and control model control
In the presence of system instruction, according to corresponding local voltage data and associated voltage data, generating and issuing described has for adjusting
The regulating command of the running status of voltage adjustment of on-load transformer.
8. the distributed control method according to claim 7 based on the power distribution network acted on behalf of more, it is characterised in that the tune
Control unit includes associated voltage determination module and regulation and control model determination module, and the step S3 includes：
Step S31：The associated voltage determination module determines the transformer control generation according to the local voltage data of upload
The associated voltage data of the associated voltage data of reason and each regenerative resource control agent；
Step S32：The regulation and control model determination module judges whether the voltage of power network is got over according to the local voltage data of upload
Limit, when judging voltage out-of-limit, judges whether to meet the first condition or the second condition, when judging described in satisfaction
During first condition, into step S33；When judging to meet the second condition, into step S34, when judging to be unsatisfactory for
The first condition and when being unsatisfactory for the second condition, into step S35；
Wherein, the first condition did not all issue Reactive-power control instruction for whole regenerative resource control agents；It is described
Second condition all issued Reactive-power control instruction for whole regenerative resource control agents, and the transformer control agent does not have
Issued gear regulating command；
Step S33：The regulation and control model determination module issues idle regulation and control model to the regenerative resource control agent and controlled
Instruction, and the associated voltage determination module is controlled by the associated voltage data transfer of the regenerative resource control agent to institute
State in regenerative resource control agent, make the regenerative resource control agent in the work of the idle regulation and control model control instruction
Under, according to corresponding local voltage data and associated voltage data, generate and issue Reactive-power control instruction；Return to the step
S32；
Step S34：The regulation and control model determination module issues pressure regulation regulation and control model control instruction to the transformer control agent,
And the associated voltage determination module is controlled by the associated voltage data transfer of the transformer control agent to the transformer
In control agent；The transformer control agent is made in the presence of the pressure regulation regulation and control model control instruction, according to corresponding
Local voltage data and associated voltage data, generate and issue gear regulating command；Return to step S32；
Step S35：The regulation and control model determination module issues active regulation and control model to the regenerative resource control agent and controlled
Instruction, and the associated voltage determination module is controlled by the associated voltage data transfer of the regenerative resource control agent to institute
State in regenerative resource control agent；The regenerative resource control agent is made in the work of the active regulation and control model control instruction
Under, according to corresponding local voltage data and associated voltage data, generate and issue active regulating command；And return to step
S32。
9. the distributed control method according to claim 8 based on the power distribution network acted on behalf of more, it is characterised in that it is described can
Renewable sources of energy control agent includes first information interactive module and power regulation control algolithm module, and the step S33 includes：
Step S331：Power regulation control algolithm mould of the regulation and control model determination module to the regenerative resource control agent
Block issues the idle regulation and control model control instruction, and controls the associated voltage determination module to control the regenerative resource
The associated voltage data transfer of agency is into corresponding power regulation control algolithm module；
Step S332：The power regulation control algolithm module in the presence of the idle regulation and control model control instruction, according to
Corresponding local voltage data, associated voltage data and reactive power Regulation Control algorithm, generate and pass through the first information
Interactive module issues Reactive-power control instruction to corresponding renewable energy power generation unit；Return to step S32；
The step S35 includes：
Step S351：The regulation and control model determination module issues the active regulation and control model to the regenerative resource control agent
Control instruction, and the associated voltage determination module is controlled by the associated voltage data transfer of the regenerative resource control agent
Into corresponding power regulation control algolithm module；
Step S352：The power regulation control algolithm module in the presence of the active regulation and control model control instruction, according to
Corresponding local voltage data, associated voltage data and active power Regulation Control algorithm, generate and pass through the first information
Interactive module issues active regulating command to corresponding renewable energy power generation unit；Return to step S32.
10. the distributed control method according to claim 8 based on the power distribution network acted on behalf of more, it is characterised in that described
Transformer control agent includes the second information exchange module and on-load voltage regulation control algolithm module, and the step S34 includes：
Step S341：Under on-load voltage regulation control algolithm module of the regulation and control model determination module to the transformer control agent
Pressure regulation regulation and control model control instruction is sent out, and controls the associated voltage determination module by the mutually powered-down of the transformer control agent
Data transfer is pressed into the on-load voltage regulation control algolithm module；
Step S342：The on-load voltage regulation control algolithm module in the presence of the pressure regulation regulation and control model control instruction, according to
Corresponding local voltage data, associated voltage data and on-load voltage regulation control algolithm, generate and pass through second information exchange
Module issues gear regulating command to the ULTC；Return to step S32.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011259526A (en) * | 2010-06-04 | 2011-12-22 | Chugoku Electric Power Co Inc:The | Control method of power supply system and power supply system |
| CN105633972A (en) * | 2016-03-16 | 2016-06-01 | 国网山东省电力公司经济技术研究院 | Layered and zonal control based voltage regulation method of active power distribution network |
| CN107069823A (en) * | 2017-05-22 | 2017-08-18 | 国网浙江省电力公司宁波供电公司 | A kind of control method and device of distributed photovoltaic distribution network voltage |
-
2017
- 2017-09-01 CN CN201710780803.7A patent/CN107453398B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011259526A (en) * | 2010-06-04 | 2011-12-22 | Chugoku Electric Power Co Inc:The | Control method of power supply system and power supply system |
| CN105633972A (en) * | 2016-03-16 | 2016-06-01 | 国网山东省电力公司经济技术研究院 | Layered and zonal control based voltage regulation method of active power distribution network |
| CN107069823A (en) * | 2017-05-22 | 2017-08-18 | 国网浙江省电力公司宁波供电公司 | A kind of control method and device of distributed photovoltaic distribution network voltage |
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